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api.magentlab.com

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api.magentlab.com

api.magentlab.com2helps2beegseizureneurologycalculator4atdeliriumscreening
Website
98
Trust
100%
Uptime
185 ms
Latency
$35.94*
Volume (30d)

Overview

Protocolx402
Providerapi.magentlab.com
Payment assetUSDC
Networkbase
Categorycompliance
Sourceagentic-market

Health

StatusOperational
Uptime (window)100%
Success rate—
Confidence100%
Quotes (14d)19
Last checked10/16/2026, 12:38:55 PM
Latency (quote)123ms
Price / call5000
Uptime (daily)100%

Metrics by window

WindowTrustUptimeSuccessp50p95PriceData
Last hour100100%———$0.005Low
Last 24h98100%———$0.005Low
Last 7 days97100%———$0.005Low

Endpoints (855)

Schema API (all endpoints) ↗

Trust score is global for the provider. Latency, price and uptime are measured per endpoint (last 24h). Click a column to sort.

Endpoint
POST/api/calc/2helps2b
Struck 2017 2HELPS2B: BIRDs 2 points; LPD or LRDA or BIPD, prior seizure, sporadic epileptiform discharges, frequency >2.0 Hz, and plus features 1 point each. Max 7. Published probable seizure risk: 0→5%, 1→12%, 2→27%, 3→50%, 4→73%, 5→88%, 6–7→>95%. Not a seizure diagnosis or monitoring-duration protocol. magent does not read EEG.
——$0.005
POST/api/calc/4at
4AT (Bellelli 2014): alertness (normal 0, abnormal 4) + AMT4 mistake count 0/1/2 + attention 0/1/2 + acute change or fluctuation (false 0, true 4). Max 12. Band 0 unlikely, 1–3 possible cognitive impairment, ≥4 possible delirium. Not a delirium or dementia diagnosis. magent does not examine the patient. AMT4 is the caller-assigned mistake count only; this API does not collect age, date of birth, place, or year.
——$0.005
POST/api/calc/4c
Knight 2020 ISARIC 4C Mortality Score: age (<50→0, 50–59→2, 60–69→4, 70–79→6, ≥80→7) + male 1 + comorbidity_count (0/1/≥2 → 0/1/2; caller-assigned Charlson-plus-obesity count) + RR (<20→0, 20–29→1, ≥30→2) + room-air SpO2 (<92→2) + GCS (<15→2) + urea (<7→0, 7–14→1, >14→3 mmol/L; or BUN/2.8) + CRP (<50→0, 50–99→1, ≥100→2). Max 21. Table 5: low 0–3, intermediate 4–8, high 9–14, very high ≥15. Not a COVID-19 diagnosis or treatment order.
——$0.005
POST/api/calc/4peps
Roy 2021 4PEPS Table 3: age <50 −2, 50–64 −1, ≥65 0; chronic respiratory disease −1; HR <80 −1; chest pain and acute dyspnea +1; male +2; estrogen treatment +2; prior VTE +2; syncope +2; 4-week immobility +2; SpO2 <95% +3; calf pain or unilateral edema +3; PE most likely +5. Max 22. Bands: very_low <0, low 0–5, moderate 6–12, high ≥13. Not imaging or D-dimer. magent does not examine the patient or decide PE most likely.
——$0.005
POST/api/calc/6mwd
Enright 1998 predicted six-minute walk distance (meters) from sex, age 40-80, height_cm, and weight_kg (Table 3 height/weight: male 7.57H−5.02age−1.76W−309; female 2.11H−2.29W−5.78age+667). Reports predicted_m and lln_m (minus 153 m men or 139 m women). Optional walked_m (0-1500) yields percent_predicted. Not a timed walk, BMI-equation path, or 80%/400 m class. Not a medical device.
——$0.005
POST/api/calc/a1c_eag
Nathan/ADAG A1C to estimated average glucose conversion, or the reverse. Provide exactly one of a1c_percent or eAG. Deterministic published equation with citation.
——$0.005
POST/api/calc/aa_gradient
Alveolar–arterial oxygen gradient from FiO2, barometric pressure, PaCO2, PaO2, and RQ using the simplified alveolar-gas equation (PH2O 47 mm Hg). Deterministic published arithmetic with citation; not a diagnosis.
——$0.005
POST/api/calc/aap_pediatric_bp
AAP 2017 Flynn Table 3 pediatric BP category (normal, elevated, stage_1, stage_2) from age 1-17 and cuff mm Hg. Age ≥13 uses adult-aligned 120/80, 130/80, and 140/90 cutoffs. Age 1-12 needs caller 90th/95th mm Hg (magent does not interpolate height/sex tables). Category is the more severe limb. magent does not measure BP. Not a device, not a hypertension diagnosis, not the 2004 Fourth Report, and not ACC/AHA 2017 for age <13.
——$0.005
POST/api/calc/aap_tsb
AAP 2022 Kemper KAS 10 intensive phototherapy threshold from Supplemental Tables 1 and 2 by completed GA, age in hours, TSB, and caller-assigned extra neurotoxicity risk factors. Linear interpolation between tabulated hours. Do not subtract conjugated bilirubin. Not a phototherapy order. magent does not assay TSB.
——$0.005
POST/api/calc/abbey
Abbey 2004 observational pain scale from six caller-assigned 0-3 items (vocalization, facial_expression, change_in_body_language, behavioural_change, physiological_change, physical_changes) using that paper's absent/mild/moderate/severe descriptors. magent sums only (max 18) and returns Abbey 2004 bands: 0-2 none, 3-7 mild, 8-13 moderate, 14+ severe. magent does not observe the patient. Not a pain diagnosis or analgesic order. Not PAINAD.
——$0.005
POST/api/calc/abc2
Kothari 1996 ABC/2 ellipsoid ICH volume: (a_cm × b_cm × c_cm) / 2, rounded to one decimal milliliter. A is the largest diameter, B the perpendicular diameter, and C slice count times thickness; the caller supplies all three in cm. Volume estimate only; not the ICH Score. magent does not read imaging or choose A/B/C on the scan. Not a diagnosis.
——$0.005
POST/api/calc/abc_score
Nunez 2009 ABC (assessment of blood consumption): penetrating mechanism, arrival SBP ≤90 mm Hg, arrival HR ≥120 bpm, and positive FAST; 1 point each, max 4. score_ge_2 is the published ≥2 cutoff (75% sensitive / 86% specific for massive transfusion in that paper). Deterministic published arithmetic with citation; not a transfusion or MTP order; not TASH; not ABC/2 ICH volume.
——$0.005
POST/api/calc/abcd2
ABCD2 (Johnston 2007) early stroke-risk score after TIA from age, blood pressure, caller-assigned clinical features, symptom duration, and diabetes (max 7). Bands 0-3, 4-5, and 6-7. Deterministic published score with citation; not a diagnosis or admit protocol. magent does not examine the patient. Not ABCD (Rothwell 2005) and not ABCD3-I.
——$0.005
POST/api/calc/abg
Berend 2014 physiological acid-base assessment. Labels acidemia or alkalemia, primary metabolic vs respiratory process, anion gap (Na-Cl-HCO3), optional albumin-corrected gap, and printed delta-delta. Not a diagnosis, ventilator order, bicarbonate dose, or blood-gas assay.
——$0.005
POST/api/calc/abic
Dominguez 2008 ABIC score from age, bilirubin, creatinine, and INR. ABIC = (age * 0.1) + (bilirubin_mg_dl * 0.08) + (creatinine_mg_dl * 0.3) + (inr * 0.8). Low <6.71, intermediate 6.71–9.0, high >9.0. Not a diagnosis of alcoholic hepatitis and not a steroid or transplant order.
——$0.005
POST/api/calc/acc_aha_hf
2013 ACCF/AHA heart-failure stages (Yancy) from four caller flags: high risk for HF, structural heart disease, prior or current HF symptoms, and refractory specialized care. Returns hf_stage A, B, C, D, or not_staged. Progressive and inviolate: D first, then C, B, A, else not_staged. Not NYHA class and not a diagnosis. magent does not examine the patient or read an echocardiogram.
——$0.005
POST/api/calc/ace
Felitti 1998 ACE Study: seven caller-assigned exposure categories (psychological abuse, physical abuse, sexual abuse, mother treated violently, household substance abuse, household mental illness, household incarceration), 1 point each, max 7. Returns ace_band 0, 1, 2, 3, or ge_4 (score ≥4). A category count, not a diagnosis, trauma inventory, or 10-item ACE-Q. magent does not interpret the items.
——$0.005
POST/api/calc/acef_ii
Ranucci 2018 ACEF II for cardiac surgery: ACEF II = age/EF + 2.0 if serum creatinine > 2.0 mg/dL + 3.0 if emergency surgery + 0.2 × (hematocrit points below 36%). Hematocrit ≥ 36% contributes 0. Returns the published score only (4 decimals). Not original ACEF 2009, not a predicted-mortality percent, and not an operative clearance.
——$0.005
POST/api/calc/acetylcysteine_iv
Intravenous acetylcysteine milligrams from weight (Prescott 1979). load_mg = weight_kg * 150 over 15 minutes; infusion_4h_mg = weight_kg * 50 over 4 hours; infusion_16h_mg = weight_kg * 100 over 16 hours; total_mg = weight_kg * 300 over 20.25 hours. For acetaminophen (paracetamol) poisoning. Not a prescription, not a Rumack–Matthew nomogram, and not a plasma acetaminophen interpretation.
——$0.005
POST/api/calc/acr_eular_gout
ACR/EULAR 2015 gout classification (Neogi). MSU crystals classify without score ≥8; else score ≥8 (max 23). Pattern 0/1/2, characteristics 0–3, time course 0/1/2, tophus 4, urate −4 to 4, MSU-negative −2, imaging 4+4. Not a diagnosis. Not Janssens 2010. magent does not examine joints or polarizing microscopy.
——$0.005
POST/api/calc/acr_eular_pmr
ACR/EULAR 2012 PMR classification (Dasgupta Table 4). Required: age 50–120, bilateral shoulder aching, abnormal CRP or ESR. Score morning stiffness >45 min 2, hip pain or limited ROM 1, RF or ACPA absent 2, other joint pain absent 1. Without ultrasound: max 6, classified iff ≥4. With ultrasound: add shoulder-and-hip 1 and both shoulders 1; max 8, classified iff ≥5. Not a diagnosis (not meant for diagnostic purposes). magent does not assay CRP/ESR/RF/ACPA or perform ultrasound.
——$0.005
POST/api/calc/acr_eular_ra
ACR/EULAR 2010 RA classification (Aletaha Table 3). Required: clinical_synovitis true. Score: joint involvement 0/1/2/3/5 + serology 0/2/3 + abnormal CRP or ESR 1 + duration ≥6 weeks 1; max 10. classified false if another disease better explains synovitis; else true if typical RA erosions or score ≥6. Not a diagnosis. Not 1987 ACR RA. Not SDAI. magent does not examine joints or titer RF/ACPA.
——$0.005
POST/api/calc/acr_eular_sjogren
ACR/EULAR 2016 primary Sjögren classification (Shiboski Table 3). Required: inclusion_met true (AECG dryness or ESSDAI domain) and exclusion_present false (no radiation, HCV, AIDS, sarcoid, amyloid, GVHD, IgG4-RD). Score: labial biopsy FS ≥1 3, anti-SSA/Ro 3, ocular staining 1, Schirmer 1, UWS 1; max 9; classified iff ≥4. Not a diagnosis. Not AECG 2002. Not 2012 ACR-only. magent does not stain eyes, measure saliva, or read biopsies.
——$0.005
POST/api/calc/action_icu
Fanaroff 2018 ACTION ICU integer score (Table 3) for initially hemodynamically stable NSTEMI. Points from age, creatinine, heart rate, systolic BP (lower SBP scores more), troponin × ULN, HF signs, ST depression, absence of prior revascularization, and chronic lung disease. Returns integer score 0–19. Not a medical device or triage order; magent does not read an ECG or assay labs.
——$0.005
POST/api/calc/ada_diabetes
Bang 2009 Table 2 development screening score for undiagnosed diabetes. Age (<40 → 0, 40–49 → 1, 50–59 → 2, ≥60 → 3); male 1; family history of diabetes 1; hypertension 1; BMI (≥40 extremely obese 3; 30–<40 obese 2; 25–<30 overweight 1; else 0); physically active −1. Returns score and high_risk (true iff score ≥ 5). BMI-only, no waist. Not Appendix ARIC/CHS, not a diagnosis.
——$0.005
POST/api/calc/adapt
Than 2012 ADAPT 2-hour accelerated diagnostic protocol for emergency chest pain. low_risk is true only when the caller-assigned TIMI UA/NSTEMI score is 0, new ischemic ECG changes are absent, and both 0-hour and 2-hour (not 3-hour) troponin flags are not elevated. magent does not assign TIMI items, read an ECG, or assay troponin. Not HEART Pathway. Not a discharge order, ACS diagnosis, or stress-test order. Not a medical device.
——$0.005
POST/api/calc/add_rs
Rogers 2011 aortic dissection detection risk score (ADD-RS). One point per high-risk category with any marker (conditions, pain features, exam features); two markers in the same category still add only 1; max 3. Bands 0 / 1 / 2-3. Deterministic published score with citation. Not an imaging order, not ADvISED D-dimer rule-out; score 0 does not exclude dissection.
——$0.005
POST/api/calc/adhere
Fonarow 2005 ADHERE CART bedside tree from admission BUN, systolic BP, and serum creatinine. high: BUN>=43, SBP<115, Cr>=2.75; intermediate_1: BUN>=43, SBP<115, Cr<2.75; intermediate_2: BUN>=43, SBP>=115; intermediate_3: BUN<43, SBP<115; low: BUN<43, SBP>=115. Creatinine consulted only when BUN>=43 and SBP<115. CART tree only, not the logistic model or GWTG-HF. Not a heart-failure diagnosis or treatment/ICU order.
——$0.005
POST/api/calc/adrogue_madias
Adrogué–Madias change in serum sodium after 1 L of infusate from TBW (child 0.6; adult male 0.6; adult female 0.5; elderly male 0.5; elderly female 0.45) and infusate Na plus K. Deterministic published arithmetic with citation; not a correction-rate order or infusion protocol.
——$0.005
POST/api/calc/age_adjusted_dimer
Age-adjusted D-dimer cutoff (Righini 2014 ADJUST-PE). PE excluded only when D-dimer (ng/mL FEU) is strictly below 500 if age <50 or age×10 if age ≥50. Equality is not excluded. FEU only, not DDU; magent does not convert units. Not a diagnosis, not YEARS, not Wells.
——$0.005
POST/api/calc/aih_original
Alvarez 1999 revised original IAIHG AIH score, not Hennes 2008 simplified. Caller-assigned sex, ALP:AST/ALT ratio, globulin/IgG, ANA/SMA/LKM titer, AMA, viral markers, drugs, alcohol, additive histology, other autoimmune disease; optional HLA/other autoantibodies if seronegative and treatment response. Pretreatment definite >15 / probable 10-15; posttreatment definite >17 / probable 12-17. magent does not read histology. Not a diagnosis or immunosuppression order.
——$0.005
POST/api/calc/aims
Guy 1976 Abnormal Involuntary Movement Scale (AIMS): seven 0-4 movement items summed (max 28). Rate highest severity observed. Items 8-12 (overall severity, incapacitation, awareness, dental problems, dentures) are required and returned, not added to the total. No activation subtraction. Not a tardive dyskinesia diagnosis. magent does not examine the patient. Not a medical device.
——$0.005
POST/api/calc/aims65
Saltzman 2011 AIMS65 for in-hospital mortality in acute upper GI bleeding: albumin <3.0 g/dL, INR >1.5, caller-assigned altered mental status, systolic BP <=90 mm Hg, and age >65; 1 point each, max 5. Albumin 3.0, INR 1.5, and age 65 do not score; SBP 90 does. Score only; no mortality percentages. Not a diagnosis. Not Glasgow-Blatchford or Rockall. magent does not assess mental status. Albumin g/dL or g/L.
——$0.005
POST/api/calc/ain_risk
Moledina 2022 development-model logistic probability of biopsy-proven acute interstitial nephritis from serum creatinine, BUN:creatinine ratio, urine dipstick specific gravity, and dipstick protein (0 or 1+ versus 2+ or higher, caller-assigned). Returns logit and estimated_probability_percent. Not a medical device, not a diagnosis, and not a kidney biopsy. Does not include urine IL-9 or TNF-α. Moledina 2022 publishes no named low/high cutoff.
——$0.005
POST/api/calc/air
Andersson 2008 appendicitis inflammatory response (AIR) score from caller-assigned vomiting, right-iliac-fossa pain, rebound or guarding (none/light/medium/strong), temperature, WBC, neutrophil percent, and CRP in mg/L (max 12). Bands 0-4, 5-8, and 9-12. Deterministic published score with citation; not a diagnosis or operating-room protocol. magent does not examine the abdomen.
——$0.005
POST/api/calc/ais_inhalation
Endorf 2007 bronchoscopic AIS inhalation injury grade 0-4 as assigned by the caller. Returns ais_grade, the published bronchoscopic description, and high_grade (true when grade is 2-4; those grades had worse survival than 0-1, P = .03). magent does not perform bronchoscopy. Not a diagnosis. Not ISS body-region AIS. Not RADS CT smoke score. Not a medical device.
——$0.005
POST/api/calc/akin
AKIN 2007 (Mehta Table 2) stage 0-3 from baseline and current creatinine in mg/dL and a caller-assigned urine-output category. Stage is the worse of the two limbs; RRT is stage 3. magent does not assay creatinine, measure urine, or collect weight. Not a medical device, not a diagnosis, not KDIGO 2012, and not RIFLE.
——$0.005
POST/api/calc/albi
Johnson 2015 albumin-bilirubin (ALBI) grade from total bilirubin and albumin. xb = 0.66*log10(bilirubin umol/L) + albumin_g_l*(-0.085). Grade 1 if xb <= -2.60, grade 2 if xb <= -1.39, else 3. Returns albi_score (4 decimals) and albi_grade. Not a listing protocol, Child-Pugh, survival estimate, mALBI, PALBI, or EZ-ALBI.
——$0.005
POST/api/calc/alc
Absolute lymphocyte count from WBC and lymphocyte percent (Shapiro 1998). ALC < 1000 cells/mm3 predicts CD4 < 200; ALC >= 2000 predicts CD4 >= 200. Deterministic published arithmetic with citation. Not a CD4 measurement or HIV diagnosis. magent does not measure the CBC.
——$0.005
POST/api/calc/aldrete
Aldrete 1970 postanesthetic recovery score from five caller-assigned 0-2 signs (activity, respiration, circulation, consciousness, color), summed to 0-10. Returns 0_to_7 (close observation), 8_to_9 (acceptable for recovery-room discharge to the ward), or 10 (ideal). Deterministic published score with citation; not the 1995 SpO2 revision; not PADSS; not a discharge order.
——$0.005
POST/api/calc/allowable_blood_loss
Gross 1983 dilution-corrected allowable blood loss from caller-supplied estimated blood volume and initial versus target hematocrit. Deterministic published arithmetic with citation. Not a transfusion trigger or order. Does not compute Nadler EBV; does not use the uncorrected EBV*(Hi-Hf)/Hi form.
——$0.005
POST/api/calc/alsfrs_r
Cedarbaum 1999 ALSFRS-R: twelve caller-assigned integers 0-4 (speech, salivation, swallowing, handwriting, cutting_food, dressing_hygiene, turning_in_bed, walking, climbing_stairs, dyspnea, orthopnea, respiratory_insufficiency). One cutting_food slot for with or without gastrostomy. Sum 0-48. magent does not examine. Cedarbaum 1999 printed no total-score severity bands. Not a diagnosis, not original 10-item ALSFRS, not Karnofsky or ECOG, and not a medical device.
——$0.005
POST/api/calc/alt_70
Raff 2017 ALT-70 for lower-extremity cellulitis vs pseudocellulitis. Caller-assigned unilateral involvement (3), WBC ≥10,000/µL (1), heart rate ≥90 (1), age ≥70 (2); max 7. Bands 0-2 (pseudocellulitis-leaning), 3-4 (indeterminate), and ≥5 (cellulitis-leaning). Deterministic published score with citation; not a medical device, not a cellulitis diagnosis, and not an antibiotic order. magent does not examine the limb.
——$0.005
POST/api/calc/alteplase_stroke
NINDS 1995 IV alteplase milligram arithmetic from weight: total_mg = min(0.9 × weight_kg, 90), 10% bolus, 90% infusion over 60 minutes. Reports milligrams and whether the 90 mg cap applied. Not a medical device, not a prescription, not an eligibility screen, and not tenecteplase.
——$0.005
POST/api/calc/alvarado
Alvarado 1986 MANTRELS score from caller-assigned findings, temperature, WBC, and neutrophil percent (max 10). Bands 0-4, 5-6, and 7-10. Deterministic published score with citation; not a diagnosis or operating-room protocol. magent does not examine the abdomen.
——$0.005
POST/api/calc/amt_10
AMT-10 (Hodkinson 1972): ten caller-assigned correct/incorrect flags. Each correct item scores 1; max 10. Score is the 0–10 sum only. Hodkinson 1972 did not publish a diagnostic cutoff. Flags only; magent does not interview the patient or collect age, date of birth, place, year, address, or monarch name. Not a dementia diagnosis, not a medical device, and not Swain 1997 AMT-4.
——$0.005
POST/api/calc/amt_4
AMT-4 (Swain 1997): four caller-assigned flags for age, date of birth, place, and year. Each correct item scores 1; max 4. Impaired cognition is indicated when the score is less than 4 (0–3 impaired; 4 not impaired). Flags only; magent does not interview the patient or collect a date of birth, age, place name, or year. Not a dementia diagnosis and not a medical device. Not Hodkinson 1972 AMT-10.
——$0.005
POST/api/calc/anc
Absolute neutrophil count from WBC and neutrophil plus band percents. Bodey 1966 granulocyte bands. Deterministic published arithmetic with citation; not a diagnosis.
——$0.005
POST/api/calc/anion_gap
Serum anion gap from sodium, chloride, and bicarbonate, with or without potassium. formula=without_k or formula=with_k is required; magent does not pick one. Deterministic Emmett–Narins 1977 arithmetic with citation. Not a diagnosis, albumin-corrected gap (Figge/Fencl), or delta gap.
——$0.005
POST/api/calc/ap_prediction
Jin 2018 ED model for early diagnosis of acute pancreatitis when lipase is at least 3x ULN. Integer points: prior episodes 0/1/2/3/4, cholelithiasis +2, abdominal surgery in 2 months -2, epigastric pain +2, worsening pain +1, pain duration >=5 days -1, severity mild 0 / moderate +2 / severe +3, lipase fold +0/+1/+2. Score max 14; jin2018_high_ppv if score>=8; jin2024_accuracy_cut if score>=6. Not a diagnosis. Not an imaging order. Not Ranson, BISAP, or Glasgow-Imrie.
——$0.005
POST/api/calc/apache_ii
Knaus 1985 APACHE II integer: 12 Acute Physiology Score items (worst in 24 hours as assigned by the caller) plus age and chronic-health points, max 71. Oxygenation uses A-aDO2 when FiO2 is at least 0.5 and PaO2 when FiO2 is below 0.5. Creatinine points double in acute renal failure. Does not compute predicted death risk. magent does not measure vitals.
——$0.005
POST/api/calc/apfel
Apfel 1999 simplified PONV risk score. Four caller-assigned predictors, 1 each, max 4: female sex, history of motion sickness or PONV, nonsmoking, postoperative opioids. Male and smokers score 0 on those items. Returns the integer score as bands 0-4. Apfel 1999 reported incidences by score; this tool returns the integer score without those percents. Not a medical device, not a prophylaxis order, not a diagnosis of PONV. Caller assigns history and opioid plan; magent does not take an anesthetic.
——$0.005
POST/api/calc/apgar
Apgar score from five 0-2 newborn signs (appearance, pulse, grimace, activity, respiration). Deterministic published score with citation; not a diagnosis.
——$0.005
POST/api/calc/apri
Wai 2003 AST to platelet ratio index (APRI) from AST, laboratory AST ULN, and platelet count. Returns APRI to two decimals plus published training-set cut-offs for significant fibrosis (Ishak ≥3) and cirrhosis. ULN is required; magent does not assume 40 U/L. Not a diagnosis, not FIB-4, and not a biopsy.
——$0.005
POST/api/calc/arc_hbr
ARC-HBR (Urban 2019 Table 3). High bleeding risk at PCI iff ≥1 major or ≥2 minor. Binary; no weighted point score. Caller-assigned booleans; magent does not assay labs or read NIHSS. Mutex (400): severe vs moderate CKD, Hb <11 vs mild anemia, major vs minor bleed, moderate-severe stroke <6 mo vs any other ischemic stroke. Not a DAPT duration. Not a medical device.
——$0.005
POST/api/calc/ardsnet_tv
ARDS Network 2000 predicted body weight (PBW) from height and sex, and the lower-tidal-volume arm 6 mL/kg PBW. Male PBW_kg = 50 + 0.91*(height_cm-152.4); female uses 45.5. Also returns the published 4 mL/kg minimum. Height in cm or inches. Not a ventilator order, plateau-pressure titration, Berlin/AECC diagnosis, pediatric tube size, or ETT insertion depth. Not Devine IBW. Deterministic published arithmetic with citation.
——$0.005
POST/api/calc/ariscat
Canet 2010 ARISCAT simplified risk score (Table 6, β×10 rounded; Mazo 2014 reprints the same points): age <=50=0, 51-80=3, >80=16; SpO2 >=96=0, 91-95=8, <=90=24; respiratory infection last month=17; anemia Hb <=10 flag=11; incision peripheral 0, upper_abdominal 15, intrathoracic 24; duration hours <=2=0, >2 to 3=16, >3=23; emergency=8. Max 123. Low <26, intermediate 26-44, high >=45. Not a diagnosis or cancel-surgery order. magent does not measure SpO2.
——$0.005
POST/api/calc/asa_physical_status
ASA Physical Status Classification System (ASA House of Delegates 2014, last amended 2020). Caller-assigned class 1-6 plus optional emergency suffix E. Returns asa_label (e.g. 1 or 2E) and the published class definition. Classification alone does not predict perioperative risk. Not an anesthetic plan, not Gupta MICA, not Mallampati. magent does not examine the patient.
——$0.005
POST/api/calc/asas_axial_spa
ASAS 2009 axial SpA classification (Rudwaleit set 3a / fig 2). Required: chronic back pain ≥3 months and age at onset <45. Imaging arm: MRI or modified New York sacroiliitis plus ≥1 of 11 SpA features. Clinical arm: HLA-B27 plus ≥2 other features (HLA-B27 does not count toward those two). Not a diagnosis. Not peripheral ASAS 2011. Not modified New York AS-only. magent does not read films or assay HLA-B27.
——$0.005
POST/api/calc/asas_peripheral_spa
ASAS 2011 peripheral SpA classification (Rudwaleit set 2D / fig 1 + table 5). Required: current arthritis, enthesitis, or dactylitis. Arm A: ≥1 of psoriasis, IBD, preceding infection, HLA-B27, uveitis, sacroiliitis on imaging. Arm B: ≥2 of arthritis, enthesitis, dactylitis, IBP in the past, family history of SpA. Not a diagnosis. Not ASAS 2009 axial. Not ESSG/Amor. magent does not examine joints or assay HLA-B27.
——$0.005
POST/api/calc/ascod
Amarenco 2013 ASCOD phenotyping of ischemic stroke from caller-assigned grades. A atherosclerosis, S small-vessel disease, C cardiac pathology, O other causes, D dissection. Each grade is 1 potentially causal, 2 causality uncertain, 3 unlikely causal but disease present, 0 absent, or 9 insufficient workup. Returns A1-S0-C2-O0-D0 style phenotype, not a summed score. magent does not read imaging. Not TOAST. Not CCS. Not a treatment. Not a medical device.
——$0.005
POST/api/calc/ascvd_pce
Goff 2013 ACC/AHA pooled-cohort 10-year hard ASCVD percent for age 40-79 from sex, caller-assigned white or african_american cohort, total and HDL cholesterol, treated or untreated systolic BP, smoking, and diabetes. Table A coefficients. Caller assigns cohort; magent does not assign race and does not apply Recommendation 2 as a silent swap. Not PREVENT 2024, not Framingham CHD, not SCORE2, not a diagnosis or statin order. magent does not assay lipids.
——$0.005
POST/api/calc/ascvd_vhr
AHA/ACC 2018 Table 4 very high-risk ASCVD for known clinical ASCVD. Very high-risk if ≥2 major events (recent ACS, prior MI, ischemic stroke, symptomatic PAD) or 1 major event and ≥2 high-risk conditions (age ≥65, heterozygous FH, CABG/PCI outside those events, diabetes, hypertension, CKD eGFR 15-59, current smoking, LDL-C ≥100 on max statin and ezetimibe, congestive HF). Not PCE. Not a statin, ezetimibe, or PCSK9 order. magent does not diagnose ASCVD or measure ABI or LDL-C.
——$0.005
POST/api/calc/asdas_crp
van der Heijde 2009 ASDAS-CRP: 0.12*back pain + 0.06*morning stiffness duration + 0.11*patient global + 0.07*peripheral pain/swelling + 0.58*ln(CRP+1). BASDAI 0-10 items and CRP in mg/L. ASAS selected the CRP version as preferred. magent does not examine the patient or assay CRP. Not ASDAS-ESR. Not BASDAI total. Does not apply Machado 2011 1.3/2.1/3.5 activity cuts. Not a diagnosis or biologic order.
——$0.005
POST/api/calc/asdas_esr
Lukas 2009 ASDAS-ESR: 0.08*back pain + 0.07*morning stiffness duration + 0.11*patient global + 0.09*peripheral pain/swelling + 0.29*sqrt(ESR). BASDAI 0-10 items and ESR in mm/h. magent does not examine the patient or assay ESR. Not ASDAS-CRP. Not BASDAI total. Does not apply Machado 2011 1.3/2.1/3.5 activity cuts. Not a diagnosis or biologic order.
——$0.005
POST/api/calc/asds
Acute Stroke Dysphagia Screen (Edmiaston 2010). Pass only when all five hold: GCS ≥13 and no facial, tongue, or palatal asymmetry or weakness, and no 3-ounce water-swallow aspiration signs. Fail-any screen. Caller assigns GCS and the four bedside flags. magent does not examine cranial nerves or administer water. Not a dysphagia diagnosis, not a diet order, and not a medical device.
——$0.005
POST/api/calc/aspects
Barber 2000 ASPECTS: 10 minus 1 for each caller-assigned MCA region with early ischemic change (C caudate, L lentiform, IC internal capsule, I insular ribbon, M1–M6). Score 0–10. Not pc-ASPECTS. magent does not read the CT. Not a diagnosis, lytic order, or medical device.
——$0.005
POST/api/calc/asrs
Kessler 2005 Adult ADHD Self-Report Scale (ASRS) v1.1 Part A: six caller-assigned 0-4 items (never to very often). wrap_up, organization, and remembering count at sometimes or more; avoid_delay, fidget, and motor count at often or more. Screen-positive at ≥4 of 6. Not an ADHD diagnosis, not a medical device, and not the 18-item ASRS or later 0-24 sum cutoffs. magent does not interpret the items.
——$0.005
POST/api/calc/astct_crs
Lee 2019 ASTCT CRS Table 1 grade 0-4. Fever (>=38 C, not another cause) with both axes none is grade 1. fever_waived after antipyretic, tocilizumab, or steroids. Grade is the more severe of hypotension (none / no_vasopressors / one_vasopressor / multiple_vasopressors) vs hypoxia (none / low_flow / high_flow / positive_pressure). Organ toxicities do not influence grade. Not ICANS. magent does not measure temperature or start vasopressors.
——$0.005
POST/api/calc/astct_icans
Adult ASTCT ICANS consensus grade (Lee 2019 Table 6). Grade is the most severe of ICE, depressed LOC, seizure, deep focal motor weakness, and ICP/edema. ICE 10 is 0; 7-9 is 1; 3-6 is 2; 0-2 is 3; ICE 0 is 4 if unarousable. Not CRS, not pediatric CAPD, and not the 10-item ICE test. magent does not perform ICE testing or examine the patient. Not a medical device.
——$0.005
POST/api/calc/asthma_api
Asthma Predictive Index (Castro-Rodriguez 2000, Tucson Children's Respiratory Study). Stringent positive if early frequent wheeze (parent frequency scale > 3) plus 1+ major or 2+ minor criteria. Loose positive if any early wheeze plus the same risk factors. Majors: parental MD asthma, MD eczema. Minors: MD allergic rhinitis, wheezing apart from colds, circulating eosinophils >4% of WBC (caller-assigned). Not mAPI. Not an asthma diagnosis. magent does not examine the child. Not a medical device.
——$0.005
POST/api/calc/astral
Ntaios 2012 ASTRAL integer score for 3-month mRS >2 in acute ischemic stroke. Age 1/5 years + NIHSS (caller 0-42) + 2 if onset-to-admission >180 min + 2 if visual field defect + 1 if glucose <3.7 or >7.3 mmol/L (mg/dL /18) + 3 if impaired consciousness. Score 31 is 50% unfavorable. Not a tPA decision. magent does not compute NIHSS.
——$0.005
POST/api/calc/atlas
Miller 2013 ATLAS for Clostridioides difficile: age (<60 0, 60–79 1, ≥80 2), systemic antibiotics during CDI therapy (0 or 2), WBC (<16 0, 16–25 1, >25 ×10^9/L 2), albumin (>35 0, 26–35 1, ≤25 g/L 2), creatinine (≤120 0, 121–179 1, ≥180 µmol/L 2); max 10. Predicted cure percent = 100 − 5.08 × score (1 decimal). Not a CDI diagnosis, stool culture, or metronidazole/vancomycin/fidaxomicin order.
——$0.005
POST/api/calc/atria
Fang 2011 ATRIA hemorrhage score: anemia caller flag 3 (paper Hb <13 g/dL men or <12 g/dL women); severe renal disease (eGFR <30 or dialysis) caller flag 3; age >=75 scores 2; prior hemorrhage 1; diagnosed hypertension 1. Max 10. Score 0-3 low, 4 intermediate, 5-10 high. Not a diagnosis. Not a warfarin order. Not HAS-BLED. magent does not measure hemoglobin or compute eGFR.
——$0.005
POST/api/calc/atria_stroke
Singer 2013 ATRIA stroke risk score (not Fang 2011 ATRIA bleed). Age x prior stroke Table 3: <65 0/8, 65-74 3/7, 75-84 5/7, >=85 6/9 without/with prior stroke. Plus 1 each: female, diabetes, heart failure, hypertension, proteinuria, eGFR<45 or ESRD. Max 15 (12 without prior stroke). 0-5 low, 6 moderate, 7-15 high. Not a stroke diagnosis or anticoagulation order. Not CHA2DS2-VASc. magent does not assay eGFR or urine.
——$0.005
POST/api/calc/atropine_op
Eddleston 2004 atropine maintenance infusion after atropinization. infusion_low_mg_h = 0.10 * atropine_load_mg; infusion_high_mg_h = 0.20 * atropine_load_mg. Caller supplies the total atropine loading milligrams already used to stabilize. Not doubling-bolus titration, not pralidoxime, not a prescription. magent does not diagnose organophosphate poisoning and does not choose loading boluses.
——$0.005
POST/api/calc/aua_si
Barry 1992 AUA-SI: seven caller-assigned integers 0-5 for incomplete emptying, frequency, intermittency, urgency, weak stream, straining (hesitancy), and nocturia. Sum 0-35. magent does not take a voiding history. Barry 1992 published no mild/moderate/severe total-score bands; later AUA-guideline 0-7/8-19/20-35 cuts are not applied. Not the 8-item IPSS quality-of-life question, not a BPH treatment order, and not a medical device.
——$0.005
POST/api/calc/aub_has2
Dakik 2019 AUB-HAS2 for 30-day death/MI/stroke after noncardiac surgery: six 1-point elements (history of heart disease, angina or dyspnea, age ≥75, hemoglobin <12 g/dL, vascular surgery, emergency surgery). Low 0-1, intermediate 2-3, high >3 (max 6). Derivation rates 0%, 0.5%, 2.0%, 5.6%, 15.7% by score 0/1/2/3/>3. Not a medical device, not RCRI, not ACS treatment, and not operative clearance.
——$0.005
POST/api/calc/audit_c
Bush 1998 AUDIT-C from three caller-assigned integers 0-4 (frequency, typical drinks, binge frequency); magent does not map drink-count categories. Total 0-12. This paper reported ≥3 as sensitive and ≥4 as more specific for heavy drinking / active abuse or dependence in VA outpatients (mostly men). Returns screen_ge_3 and screen_ge_4. Not later sex-specific VA primary-care cutoffs, not the full 10-item AUDIT, and not CIWA-Ar. Not a diagnosis.
——$0.005
POST/api/calc/ausdrisk
Chen 2010 AUSDRISK Box 3 waist model (not BMI). Male 3; age 18-34 0, 35-44 2, 45-54 4, 55-64 6, >=65 8; ancestry atsi_or_asian or southern_european_or_pacific 2 (caller-assigned); parental diabetes 3; high glucose 6; antihypertensives 2; current smoker 2; physically inactive 2; waist cat1/2/3 = 0/4/7 (ATSI/Asian vs other cutoffs). Max 35. at_risk iff score>=12. Not a diagnosis. Not FINDRISC.
——$0.005
POST/api/calc/awol
Douglas 2013 AWOL: four caller-assigned yes/no flags (age ≥80, unable to spell WORLD backward, not fully oriented to place, nurse-rated illness moderately ill/severely ill/moribund), 1 point each, max 4. Combined-population observed delirium 2/4/14/20/64% at scores 0–4. Deterministic published score with citation; not a delirium diagnosis, not CAM-ICU, not 4AT, and not a medical device. magent does not interview the patient or collect an integer age.
——$0.005
POST/api/calc/bacterial_meningitis
Nigrovic 2002 Bacterial Meningitis Score: CSF Gram stain (2), CSF ANC ≥1000 cells/µL (1), CSF protein ≥80 mg/dL (1), peripheral ANC ≥10 000 cells/µL (1), seizure (1). Max 6. very_low_risk if 0, not_low_risk if ≥1. Children with CSF pleocytosis as in Nigrovic 2002; not a neonatal score. Not a meningitis diagnosis or an antibiotic/LP order. magent does not stain CSF, count neutrophils, assay protein, or witness a seizure.
——$0.005
POST/api/calc/ball
Soumerai 2019 BALL score for relapsed or refractory CLL. Four caller-assigned 1-point flags (max 4): beta-2-microglobulin at the paper's published cutoff (>=5 mg/dL), LDH > laboratory ULN, anemia (Hb <110 g/L women or <120 g/L men), and time from initiation of last therapy <24 months. Risk low 0-1, intermediate 2-3, high 4. magent does not assay labs or convert B2M mg/L vs mg/dL. Not a treatment recommendation.
——$0.005
POST/api/calc/bam
Cacciola 2013 Brief Addiction Monitor (BAM; public-domain VA instrument). Three subscales only: Use (items 4+5+6, 0-90), Risk (items 1+2+3+8+11+15, 0-102 on Table 1 0-4 Likert plus 0-30 days), Protective (items 9+10+12+13+14+16, 0-98; income No=0 Yes=30). Items 7a-g and 17 collected, not summed. No total BAM score. magent does not interview the patient. Not a diagnosis, level-of-care order, or medical device.
——$0.005
POST/api/calc/bap_65
BAP-65 (Tabak 2009) class I–V for acute exacerbation of COPD. Three caller-assigned main factors: BUN >25 mg/dL, altered mental status (GCS <14 or disoriented/stupor/coma), and pulse >109/min. Age >65 splits class I from II only when zero main factors are present; age is not a fourth additive point. magent does not compute GCS, BUN, or pulse. Not a medical device and not a ventilation or ICU-admission order.
——$0.005
POST/api/calc/bard
Harrison 2008 BARD score for NAFLD advanced fibrosis: BMI ≥28 kg/m² (1), AST/ALT ≥0.8 (2), diabetes mellitus (1); max 4. Low 0–1, high 2–4 (paper 2–4 vs 0–1 split). Not a NASH diagnosis; magent does not interpret a biopsy or compute BMI. Not FIB-4, APRI, or the NAFLD fibrosis score.
——$0.005
POST/api/calc/bars
Swift 2002 Behavioural Activity Rating Scale (BARS): caller-assigned integer 1-7 (difficult or unable to rouse; asleep but responds normally to verbal or physical contact; drowsy, appears sedated; quiet and awake, normal activity; signs of overt physical or verbal activity, calms with instructions; extremely or continuously active, not requiring restraint; violent, requires restraint). Returns score, max 7, and a stable label. Not RASS and not a diagnosis. magent does not observe the patient.
——$0.005
POST/api/calc/barthel
Mahoney 1965 Barthel Index: ten caller-assigned activity points (feeding, bathing, grooming, dressing, bowels, bladder, toilet, transfers, mobility, stairs) using that paper's 0/5, 0/5/10, or 0/5/10/15 values. magent sums only (max 100 in fives) and does not observe the patient. Not the Collin 0-20 Barthel and not a disability rating or placement decision.
——$0.005
POST/api/calc/bastion
Bastion classification of lower-limb IED injury (Jacobs 2014). Caller assigns class 1-5 as the most proximal extent. Returns the class description, associated-injury flags (segmental, intraperitoneal abdomen, genital/perineal, pelvic ring, upper limb), and tourniquet_effective (true for class 1-3, false for class 4-5). Not MESS, not ISS AIS, not a treatment protocol. Paper was not designed for mortality or transfusion rates. magent does not examine the casualty.
——$0.005
POST/api/calc/baws
Rastegar 2017 Brief Alcohol Withdrawal Scale (BAWS): five caller-assigned integers 0-3 (tremor, diaphoresis, agitation, orientation, hallucinations), summed 0-15. BAWS >=3 predicted CIWA-Ar >=8 in that paper (sensitivity 85.3%, specificity 65.8%). magent does not examine the patient or order benzodiazepines. Not later ICU dose bands. Not a medical device.
——$0.005
POST/api/calc/bclc
Reig 2022 BCLC stage 0/A/B/C/D from caller-assigned cancer-related ECOG, preserved liver function, transplant option, vascular invasion, extrahepatic disease, tumor count, and largest diameter. Returns stage and expected median survival only. Not a treatment recommendation. magent does not assign ECOG, compute Child-Pugh, or interpret imaging. Not a medical device. Not Milan or UCSF listing.
——$0.005
POST/api/calc/beam
BeAM (bedtime minus pre-breakfast glucose) in mg/dL from Zisman 2016. Provide bedtime_glucose_mg_dl or bedtime_glucose_mmol_l independently of AM, and am_glucose_mg_dl or am_glucose_mmol_l. mmol/L converts as mg/dL = mmol/L × 18. Returns beam_mg_dl (1 decimal) and the published analysis band (<0, 0-50, >50). 0 and 50 are 0-50. Does not use a 45 or 55 cutoff, order prandial insulin, or diagnose diabetes.
——$0.005
POST/api/calc/bed
Fowler 1989 BED without a time or repopulation term: BED = n * d * (1 + d / (alpha/beta)). n equal fractions (1-50), d Gy per fraction (0.5-30), caller-assigned tissue alpha/beta (1-20 Gy). Rounds to 1 decimal. Rejects non-positive n*d or alpha/beta. No T_k/T_pot, no EQD2. Not a radiotherapy prescription. magent does not plan radiotherapy. Not a medical device.
——$0.005
POST/api/calc/bee_harris_benedict
Harris–Benedict 1919 basal energy expenditure (kcal/day) from height, weight, age, and sex. Deterministic published formula with citation; not a nutrition prescription.
——$0.005
POST/api/calc/berg_balance
Berg 1992 Berg Balance Scale (BBS): fourteen caller-assigned integers 0-4 (sitting to standing through standing on one foot). Sum 0-56. magent does not observe. Berg 1992 printed no 0-20 wheelchair / 21-40 walking-with-assistance / 41-56 independent website bands. Not Timed Up and Go, not a diagnosis, and not a medical device.
——$0.005
POST/api/calc/berlin_ards
Berlin Definition of ARDS (Ranieri 2012). berlin_ards iff clinical box (onset within 1 week, bilateral opacities not fully explained, origin not fully HF or fluid) and severity mild, moderate, or severe. Severe: PF<=100 with PEEP>=5. Moderate: 100<PF<=200 with PEEP>=5. Mild: 200<PF<=300 with PEEP or CPAP>=5. Caller assigns flags and pf_ratio. magent does not read radiographs or echo, diagnose ARDS, or set ventilator mode. Not AECC 1994, not Kigali, not the oxygenation index.
——$0.005
POST/api/calc/bicarbonate_deficit
Bicarbonate deficit from weight and measured HCO3 using Adrogué–Madias 50 percent body-weight space. Deterministic published arithmetic with citation; not a dosing protocol.
——$0.005
POST/api/calc/binet
Binet 1981 CLL staging. Stage C if anemia (Hb <10 g/dL) or thrombocytopenia (platelets <100×10^9/L), regardless of lymphoid areas. Else stage B when involved_areas is 3-5, else stage A when 0-2. The five areas are cervical, axillary, and inguinal (unilateral or bilateral counts as one area each), plus spleen, plus liver; the caller assigns the count. Not a medical device, not a CLL diagnosis, and not Rai staging (Rai anemia is Hb <11).
——$0.005
POST/api/calc/bisap
Wu 2008 BISAP for early mortality prediction in acute pancreatitis: BUN >25 mg/dL, caller-assigned impaired mental status, caller-assigned SIRS, age >60, and caller-assigned pleural effusion; 1 point each, max 5. BUN 25.0 and age 60 do not score. Score only; no mortality percentages. Not a diagnosis. Not Ranson, APACHE II, or CTSI. magent does not recompute SIRS, assign mental status, or read imaging.
——$0.005
POST/api/calc/bishop
Bishop 1964 pelvic score: sum of five caller-assigned integers (dilation 0-3, effacement 0-3, station 0-3, consistency 0-2, position 0-2; max 13). Paper bins: dilation 0 / 1-2 / 3-4 / 5-6 cm; effacement 0-30 / 40-50 / 60-70 / 80%; station -3 / -2 / -1 or 0 / +1 or +2; consistency firm/medium/soft; position posterior/mid/anterior. magent does not examine the cervix and does not add later favorable/unfavorable cutoffs, modified Bishop, or cervical length.
——$0.005
POST/api/calc/bli
Pizov 1999 blast lung injury severity. Mild, moderate, or severe only when inputs match a published definition: mild PaO2/FiO2 > 200, localized infiltrates, no pneumothorax; moderate 60 to 200, diffuse infiltrates, with or without pneumothorax; severe < 60, bilateral infiltrates, and bronchopleural fistula. Unmatched combinations are rejected. Caller assigns all findings. magent does not read a chest radiograph or assay blood gas. Not a ventilator prescription.
——$0.005
POST/api/calc/bmi
Body-mass index from height and weight (Keys/Quetelet). Use for GLP-1 and bariatric prior-auth arithmetic. Deterministic published index with citation; not a diagnosis.
——$0.005
POST/api/calc/bmv
Farris 2017 brain metastasis velocity: bmv = new_brain_metastases / years_since_first_srs, 1 decimal. new_brain_metastases integer 0-200; years_since_first_srs 0.01-30. Low if BMV <4 (median OS 12.4 months after initial distant brain failure), intermediate 4-13 (8.2), high >13 (4.3). Does not floor BMV (NRG-BN009). Not time since last SRS. magent does not count metastases on imaging. Not a diagnosis. Not a medical device.
——$0.005
POST/api/calc/bode
Celli 2004 BODE index from BMI (≤21 → 1), FEV1 % predicted (0–3), MMRC dyspnea (0–3), and 6-minute walk in meters (0–3). Returns a 0–10 total and quartile 1–4 (0–2 / 3–4 / 5–6 / 7–10). Deterministic published points with citation. Not a GOLD stage and not a transplant listing.
——$0.005
POST/api/calc/bops
Hesselgard 2007 Behavioural Observational Pain Scale from three caller-assigned 0-2 items (facial_expression, verbalization, body_position) using that paper's 0/1/2 descriptors. magent sums only (max 6) and does not observe the child. No named analgesic cutoff. Not a pain diagnosis or analgesic order. Not FLACC. Not Abbey.
——$0.005
POST/api/calc/boston_syncope
Grossman 2007 Boston Syncope from eight caller-assigned flags: ACS signs/symptoms, conduction disease, worrisome cardiac history, valvular heart disease, family history of sudden death, persistent abnormal ED vitals, volume depletion, and primary CNS event. high_risk (Boston-positive) iff any is true; low_risk iff none. Adult (enrolled 18+). Not a disposition or admission order. magent does not examine the patient or interpret ECG/hematocrit. Not San Francisco Syncope, EGSYS, ROSE, or OESIL.
——$0.005
POST/api/calc/bova
Bova 2014 seven-point index for confirmed acute PE that is not hypotensive: SBP 90–100 mm Hg +2 (SBP 100 scores; 101 does not; SBP <90 rejected), elevated troponin +2 (caller-assigned lab cutoff; magent does not grade assays), RV dysfunction on echo or CT +2, heart rate ≥110 +1 (110 scores; 109 does not). Max 7. Returns bands 0-2 / 3-4 / >4 (stages I–III) without mortality percents. Not a medical device and not a thrombolysis order.
——$0.005
POST/api/calc/bpp
Manning 1980 fetal biophysical profile. Five caller-assigned variables, each 2 if normal or 0 if abnormal: fetal breathing movements, fetal movements, fetal tone, qualitative amniotic fluid volume, and nonstress test. Score 0-10. 1980 breathing is a 60-second episode in 30 minutes; 1980 fluid is a 1 cm pocket. magent does not ultrasound. Not a delivery order. Does not apply later 30-second breathing, 2 cm pocket, or 8-10/6/<=4 management bands.
——$0.005
POST/api/calc/bps
Payen 2001 Behavioral Pain Scale from three caller-assigned 1-4 items (facial_expression, upper_limbs, ventilator_compliance) using that paper's Table 1 descriptors. magent sums only (range 3-12) and does not observe the patient. No later pain-present cutoffs. Not a pain diagnosis or analgesic order. Not CPOT (CPOT items are 0-2).
——$0.005
POST/api/calc/braden
Bergstrom 1987 Braden Scale: six caller-assigned subscales — sensory_perception, moisture, activity, mobility, nutrition (each 1-4) and friction_shear (1-3). magent sums only (range 6-23; lower is higher pressure-sore risk) and returns at_risk true iff score ≤16, the only cutoff in that paper's predictive-validity studies. magent does not examine the patient. Not a medical device, not a diagnosis, and not a treatment plan.
——$0.005
POST/api/calc/brescia_covid
Duca 2020 Brescia-COVID Respiratory Severity Scale testing-criteria count: four caller-assigned binaries (wheezing or inability to speak in full sentences at rest or with minimal effort; respiratory rate >22; PaO2 <65 mmHg or SpO2 <90%; significant worsening on chest radiograph). bcrss is the count of positives (0–4). magent does not examine the patient or read imaging. Not a COVID-19 diagnosis, ventilator order, or medical device. Not the 0–8 NIV/intubation/proning ladder.
——$0.005
POST/api/calc/bri
Body roundness index from height and waist (Thomas 2013). Models the body as an ellipse: e = sqrt(1 - (waist/(pi*height))^2), BRI = 364.2 - 365.5*e. Deterministic published formula with citation. Not a medical device, VAT measurement, or body-fat diagnosis; magent does not measure the patient.
——$0.005
POST/api/calc/bristol_stool
Lewis 1997 Bristol stool form scale: caller-assigned stool_type 1-7. Returns the assigned type and the published form wording (hard lumps like nuts through watery, entirely liquid). Stool form correlates with whole-gut transit time. magent does not inspect stool. Not a diagnosis, not constipation or diarrhea bands, and not a Rome IBS subtype.
——$0.005
POST/api/calc/brue
BRUE (Tieder 2016 AAP). brue is true iff the infant is younger than 1 year, the episode was sudden, brief, and now resolved, no explanation remains after appropriate history and physical examination, and at least one of: cyanosis or pallor; absent, decreased, or irregular breathing; marked change in tone; altered level of responsiveness. feature_count is 0-4. Caller assigns seven flags. magent does not examine the infant. Not a diagnosis, not ALTE, not SIDS.
——$0.005
POST/api/calc/brue_2
Nama 2022 Supplemental Table 7 logistic probabilities of a serious underlying diagnosis and of event recurrence after a brief resolved unexplained event from age in days, similar-event history, abnormal medical history, prematurity, event clusters, color change, abnormal breathing, and tone change. Returns logits and percents from the unrounded logits. Not a medical device. No admission cutoff. magent does not examine the infant.
——$0.005
GET/api/calc/brugada
magent
——$0.005
POST/api/calc/brugada
Brugada 1991 four-step algorithm for a regular tachycardia with a wide QRS complex. Caller assigns absence of an RS complex in all precordial leads, RS interval >100 ms in one precordial lead, AV dissociation, and VT morphology in V1–V2 and V6. Returns diagnosis vt or svt and the stopping step. magent does not interpret ECGs. Not Brugada syndrome, not Vereckei aVR, not RWPT, not Sgarbossa, and not a cardioversion order. Not a medical device.
——$0.005
POST/api/calc/bsa_mosteller
Mosteller body surface area from height and weight. Use for oncology dosing arithmetic. Deterministic published formula with citation; not a dosing recommendation.
——$0.005
POST/api/calc/bun_creatinine_ratio
Richards 1990 BUN/creatinine ratio as bun_mg_dl / creatinine_mg_dl, rounded to one decimal. A ratio of 36 or greater suggests upper gastrointestinal bleeding. A ratio below 36 is not helpful in locating the source and is not a lower-GI class. Provide creatinine_mg_dl (0.1-20) or creatinine_umol_l (9-1768), not both. Not a diagnosis, endoscopy order, or Blatchford urea band. magent does not locate a bleed.
——$0.005
POST/api/calc/burch_wartofsky
Burch 1993 points: °F (<99→0, 99.0–99.9→5, 100.0–100.9→10, 101.0–101.9→15, 102.0–102.9→20, 103.0–103.9→25, ≥104→30); CNS 0/10/20/30; GI-hepatic 0/10/20; HR (<90→0, 90–109→5, 110–119→10, 120–129→15, 130–139→20, ≥140→25); HF 0/5/10/15; AF 10; precipitant 10. Max 140. <25 unlikely, 25–44 impending, ≥45 highly suggestive. temperature_f or temperature_c, not both. Not a diagnosis or ICU order. magent does not measure temperature or an ECG.
——$0.005
POST/api/calc/bush_francis
Bush 1996 23-item catatonia rating scale from caller-assigned integers. Items 1-16 and 22-23 are 0-3; mitgehen, gegenhalten, ambitendency, grasp_reflex, and perseveration are 0 or 3 only. Severity is the sum of items 1-23 (max 69). The 14-item screen is positive iff at least two of items 1-14 score above 0. magent does not perform the standardized examination. Not a diagnosis, not DSM catatonia criteria, not a medical device.
——$0.005
POST/api/calc/c_diva
Bell 2023 C-DIVA from four caller-assigned 0-2 domains (visual appearance, palpable sites, history of difficult access, clinical factors) using that paper's Figure 1 0/1/2 descriptors. magent sums only (max 8) and returns Figure 1 bands low (0-3), medium (4-5), or high (6-8). magent does not examine veins or insert a catheter. Not a vascular-access order, not a medical device.
——$0.005
POST/api/calc/cage
Ewing 1984 CAGE questionnaire: four caller-assigned yes/no items (cut down, annoyed, guilty, eye-opener), 1 point each, max 4. Screen-positive when two or more answers are affirmative (score ≥2). Deterministic published score with citation; not a diagnosis of alcohol use disorder, not CIWA-Ar, and not AUDIT. magent does not interpret individual items.
——$0.005
POST/api/calc/cahp
Maupain 2016 CAHP nomogram after OHCA. Integer points from age, home vs public arrest, shockable vs non-shockable rhythm, no-flow min, low-flow min, epinephrine tertile (0 / 1-2 / >=3 mg), and arterial pH. Table 3: low <150, medium 150-200, high >200. Figure 2 caption total 177 reads 88% poor outcome. Not a withdrawal-of-care order. magent does not measure pH.
——$0.005
POST/api/calc/cam_icu
CAM-ICU (Ely 2001). Delirium is present iff Feature 1 (acute onset or fluctuating course) and Feature 2 (inattention) both hold, and Feature 3 (disorganized thinking) or Feature 4 (altered level of consciousness) also holds. The caller assigns each feature as already determined. magent does not observe the patient, administer RASS, or run the attention screening exam. Not a diagnosis and not a medical device.
——$0.005
POST/api/calc/cambridge_diabetes
Griffin 2000 Cambridge logistic risk of undetected type 2 diabetes. p = 1/(1+e^(-λ)); λ = -6.322 - 0.879 if female + 1.222 antihypertensive + 2.191 steroids + 0.063×age + BMI band (<25 0; 25 to <27.5 0.699; 27.5 to <30 1.97; ≥30 2.518) + family (parent or sibling 0.728; parent and sibling 0.753) + smoking (former -0.218; current 0.855). Age 40-64. Probability 0-1. Not FINDRISC, not ADA, not a glucose assay, not a diagnosis.
——$0.005
POST/api/calc/canadian_cspine
Canadian C-spine rule (Stiell 2001). Cervical radiography is indicated if any high-risk factor is present (age ≥65, dangerous mechanism, or paresthesias in the extremities). If none, radiography is indicated unless at least one low-risk factor allows safe range-of-motion assessment and the patient can rotate the neck 45° left and right. Not a diagnosis, not NEXUS, and not pediatric. For alert, stable blunt-trauma adults with GCS 15. magent does not examine the neck.
——$0.005
POST/api/calc/canadian_ct_head
Canadian CT Head Rule (Stiell 2001). CT is indicated if any high-risk factor (GCS <15 at 2 hours, suspected open or depressed skull fracture, any sign of basal skull fracture, vomiting 2 or more times, or age 65 or older) or any medium-risk factor (amnesia before impact >30 min, or dangerous mechanism as assigned by the caller). Not a diagnosis, not NEXUS, not PECARN, not CATCH, and not pediatric. magent does not examine the patient.
——$0.005
POST/api/calc/canadian_tia
Perry 2021 Canadian TIA Score (Table 1) for 7-day stroke or carotid revascularization after TIA. Clinical: first TIA 2, symptoms >=10 min 2, past carotid stenosis 2, antiplatelet 3, gait 1, unilateral weakness 1, vertigo -3, diastolic >=110 3, dysarthria/aphasia 1. Investigations: AF on ECG 2, infarct on CT 1, platelets >=400 2, glucose >=15 mmol/L 3. Age required, 0 points. Total -3 to 23. Bands <=3 low (0.5%), 4-8 medium (2.3%), >=9 high (5.9%). Not ABCD2. Not a diagnosis or admit order.
——$0.005
POST/api/calc/canrisk
Robinson 2011 Table 3 pCANRISK (not eCANRISK). Age 0/7/13/15; male 6; BMI 0/4/9/14; waist 0/4/6 by sex; inactivity 1; no daily fruit/veg 2; high BP 4; high glucose 14; macrosomia 1 (women); family first-degree categories ×2; caller-assigned ethnicity White 0 Aboriginal 3 Black 5 East Asian 10 South Asian 11; education 5/1/0. Max 81 F/86 M. Cutoffs 21, 29, 32, 33, 43. Not a diagnosis.
——$0.005
POST/api/calc/capd
Traube 2014 CAPD: 8 caller-assigned integers 0-4. eye_contact, purposeful_actions, awareness, and communication are reverse-scored in that paper (never contributes 4; 0 is the never-delirium pole after that reverse key). Total 0-32. Screen-positive iff score ≥9. magent does not examine the child or invent a developmental-delay cutoff. Not a psychiatric diagnosis.
——$0.005
POST/api/calc/capra
Cooperberg 2005 UCSF CAPRA preoperative score (Table 1). Caller-assigned PSA (>=2.1-6 0, >6-10 1, >10-20 2, >20-30 3, >30 4), Gleason 1-3/1-3 0, 1-3/4-5 1, primary 4-5 3, clinical T t1/t2 0 or t3a 1, percent positive biopsies <34 0 or >=34 1, age <50 0 or >=50 1. Score 0-10. Table 4 bands 0_1, 2, 3, 4, 5, 6, ge_7 with 5-year RFS 85/81/66/59/60/34/8. Not Kattan. Not D'Amico. Not CAPRA-S. magent does not assay PSA or read biopsies. Not a diagnosis. Not a medical device.
——$0.005
POST/api/calc/caprini
Caprini 2005 thrombosis risk assessment (Table 3): exclusive age (41-60=1, 61-74=2, >=75=3) and exclusive surgery (minor=1; arthroscopic/major/laparoscopic=2; arthroplasty=5) plus caller-assigned 1-, 2-, 3-, and 5-point flags. Max 78. Bands: 0-1 low, 2 moderate, 3-4 high, >=5 highest. Not a diagnosis. Not Caprini 2009/2013. Not a prophylaxis order.
——$0.005
POST/api/calc/car_olt
VanWagner 2017 CAR-OLT integer points (Table 3) for 1-year CVD complication after first orthotopic liver transplant: age bands, sex, caller-assigned race (white 7, black 10, other 0), work, education, atrial fibrillation 25, ventilator 13, pulmonary hypertension 9, no HCC 6, hypertension 4, diabetes 4, heart failure 7. Table 4 predicted percent. Not a listing decision. magent does not assign race.
——$0.005
POST/api/calc/care
Cardiac Anesthesia Risk Evaluation (CARE) score (Dupuis 2001). Caller-assigned class 1-5; emergency suffix E only for classes 3-5 (labels 3E, 4E, 5E). Returns care_label plus Dupuis 2001 Table 4 in-hospital mortality and morbidity percents from the Ottawa reference population. Not an anesthetic plan or surgical booking. magent does not examine the patient. Not Parsonnet, EuroSCORE, or Gupta MICA.
——$0.005
POST/api/calc/carg_tt
Hurria 2011 Table 5 CARG toxicity: age ≥72 (+2), GI/GU (+2, not inverted), standard dose (+2), polychemotherapy (+2), Hb male <11 or female <10 g/dL (+3), caller-assigned Jelliffe CrCl <34 (+3; magent does not compute Jelliffe), hearing fair/worse (+2), ≥1 fall in 6 months (+3), limited walking 1 block (+2), help with meds (+1), decreased social activity (+1). Max 19. 0-5 low 30%, 6-9 intermediate 52%, 10-19 high 83%. Not the 2016 revision, not CRASH, not a chemo order.
——$0.005
POST/api/calc/caroc
CAROC 2010 10-year MOF category from age, sex, femoral-neck T-score, and fragility or glucocorticoid flags. Basal low/moderate/high from printed T-score bands; hip or spine fragility or multiple fractures is high; fracture after 40 plus steroids is high; either flag alone bumps one class. Labels <10%, 10-20%, >20%. Not FRAX or a drug order. Not a medical device.
——$0.005
POST/api/calc/cart
CART integer score from Churpek 2012 Table 3 (beta x 9): maximum respiratory rate, maximum heart rate, minimum diastolic BP, and age, summed to 0-57. magent does not measure vitals; the caller assigns the numbers. Deterministic published arithmetic with citation; not a cardiac-arrest diagnosis and not an RRT order. Does not return risk-band percents.
——$0.005
POST/api/calc/cas
Lee 2020 Coronavirus Anxiety Scale from five caller-assigned integers 0-4 over the past two weeks (dizzy, sleep, paralyzed, appetite, nausea). magent does not interview the patient. 0 not at all, 1 rare less than a day or two, 2 several days, 3 more than 7 days, 4 nearly every day. Total 0-20. Returns screen_ge_9 (score ≥9; this paper 90% sensitivity and 85% specificity). Not a diagnosis, not GAD-7, and not extra mild/moderate bands.
——$0.005
POST/api/calc/caspar
Taylor 2006 CASPAR classification criteria for psoriatic arthritis. Required: inflammatory_articular_disease true (joint, spine, or enthesis). Score: current psoriasis 2; personal history 1 only if current is false; family history 1 only if current and personal are false; nail dystrophy 1; RF-negative 1; dactylitis (current or history) 1; juxtaarticular new bone 1. Classified iff score ≥3 (max 8). Not a diagnosis. Not Moll and Wright. magent does not examine skin or read films.
——$0.005
POST/api/calc/cat
Jones 2009 COPD Assessment Test (CAT): eight caller-assigned integers 0-5 (cough, phlegm, chest tightness, breathlessness, activities, confidence, sleep, energy). Sum 0-40. magent does not interview. Jones 2009 printed no GOLD 0-10/11-20/21-30/31-40 impact bands; later website cutoffs are not applied. Not a diagnosis, not GOLD ABE, not BODE, and not a medical device.
——$0.005
POST/api/calc/catch
CATCH (Osmond 2010). CT indicated if any of 7 caller-assigned findings after pediatric minor head injury. High (neurologic intervention): GCS <15 at 2h, open/depressed skull fracture, worsening headache, irritability. Medium if not high (brain injury on CT): basal skull fracture, large boggy scalp hematoma, dangerous mechanism. Low if none. Not PECARN, CHALICE, Canadian CT Head, NEXUS, or CATCH-2. magent does not examine the child or read CT. Not a diagnosis or medical device.
——$0.005
POST/api/calc/cci
Corrected count increment (CCI) after platelet transfusion: (post - pre platelet count per uL) * BSA_m2 / (dose in 10^11). Davis 1999 Transfusion. Returns CCI and the uncorrected increment only. Caller supplies BSA; magent does not compute Nadler BSA from height/weight, assay platelets, emit a 5000 or 7500 refractoriness cutoff, or order a transfusion. Davis 1999 cautions CCI/PPR can distort comparisons of platelet products.
——$0.005
POST/api/calc/ccs_angina
CCS angina of effort class 1-4 as assigned by the caller (Campeau 1976 Table 1). Returns class, score, max 4, and the published class description. Class 1-4 only; no class 0. magent does not walk the patient, interpret a treadmill, or examine the patient. Not an ACS diagnosis, not NYHA, and not a silent-ischemia screen.
——$0.005
POST/api/calc/cdai
Best 1976 Crohn's disease activity index (CDAI): eight weighted variables (7-day liquid stools *2, abdominal-pain sum *5, well-being sum *7, extra-intestinal count *20, antidiarrheal *30, abdominal mass 0/2/5 *10, hematocrit deficit *6, caller-assigned weight-percent deviation). magent returns the rounded integer index only and does not apply later trial activity bands. magent does not examine the patient. Not a Crohn's diagnosis and not the Harvey-Bradshaw one-day index.
——$0.005
POST/api/calc/cdai_ra
Aletaha 2005 Clinical Disease Activity Index (CDAI) for rheumatoid arthritis: SJC28 + TJC28 + patient global (0–10 cm) + evaluator global (0–10 cm). No CRP. Half points allowed; the sum is not integer-rounded. magent does not count joints. Arthritis Res Ther 2005 (ar1740) validates the sum and does not publish activity-state cutoffs. Not SDAI. Not Crohn's CDAI. Not a rheumatoid arthritis diagnosis.
——$0.005
POST/api/calc/cdc_imm
ACIP 2025 Table 2 catch-up minimum age and previous-dose interval. Eligible if age_months meets the printed minimum and weeks_since_previous_dose meets a printed interval (omit for dose 1). HepB dose 2 is 4 weeks. MMR/HepA/varicella dose 1 is 12 months. Not a vaccine order. magent does not immunize. Not routine age bars, Hib/PCV branching, HepB dose 3, or the 4-day grace period.
——$0.005
POST/api/calc/cedocs
Weiss 2014 Community ED Overcrowding Scale (CEDOCS) reduced model: critical-care patients, longest admitted-patient hours since admission, waiting-room count, ED patients indexed to ED beds, and annual ED visits with a restricted cubic spline. Returns the 1-decimal score on the paper's 0-100 scale without clamping or named class bands. Caller supplies counts and hours; magent does not count patients or wait times. Not a medical device and not a diversion or ambulance-bypass order.
——$0.005
POST/api/calc/centor
Centor or McIsaac (age-modified) score for streptococcal pharyngitis from four caller-assigned findings. edition=centor (max 4) or edition=mcisaac (age 3-14 +1, 15-44 0, >=45 -1, max 5) is required; magent does not pick one. Deterministic published score with citation; not a test-or-treat protocol.
——$0.005
POST/api/calc/cfs
Rockwood 2005 CSHA Clinical Frailty Scale 1-7 as assigned by the caller (Box 1). Returns cfs, score, max 7, and the published label. Does not implement the later 9-point CFS (8 very severely frail, 9 terminally ill) or CFS 2.0 label changes. Not a diagnosis; magent does not examine the patient.
——$0.005
POST/api/calc/cgram
Liang 2020 COVID-GRAM logistic probability of critical illness (ICU, invasive ventilation, or death) among hospitalized COVID-19 from age, caller-assigned chest radiograph abnormality, hemoptysis, dyspnea, unconsciousness, comorbidity count, cancer history, neutrophil-to-lymphocyte ratio, LDH (U/L), and direct bilirubin (umol/L). Table 3 coefficients. magent does not read the film or count comorbidities. Not a diagnosis or ICU-allocation order.
——$0.005
POST/api/calc/cha2ds2_va
ESC 2024 CHA2DS2-VA stroke-risk score from age and discrete flags (CHF, hypertension, diabetes, prior stroke/TIA, vascular disease). No sex category (not CHA2DS2-VASc). Score 0 none, 1 consider OAC, ≥2 OAC recommended. Deterministic published arithmetic with citation; not an anticoagulation order.
——$0.005
POST/api/calc/cha2ds2_vasc
CHA2DS2-VASc score from discrete clinical flags. Use for stroke-risk stratification arithmetic in atrial fibrillation. Deterministic published score with citation.
——$0.005
POST/api/calc/chads2
CHADS2 score from discrete clinical flags. Use for the 2001 Gage atrial-fibrillation stroke-risk arithmetic. Deterministic published score with citation; not an anticoagulation order.
——$0.005
POST/api/calc/chads_65
CCS 2014 CHADS-65 algorithm for nonvalvular AF/AFL stroke-prevention discussion. Oral anticoagulant if age ≥65 or CHF, hypertension, diabetes, or prior stroke/TIA. Else aspirin if coronary, aortic, or peripheral arterial disease. Else none. Not CHADS2, not CHA2DS2-VASc, not HAS-BLED, and not an anticoagulation order. magent does not examine the patient.
——$0.005
POST/api/calc/chalice
CHALICE (Dunning 2006). CT required in children 0-15 if any history, exam, or mechanism criterion is present; else low risk. GCS <14, or GCS <15 if age <1 year. Bruise/swelling/laceration >5 cm only if age <1 year. Mechanism is caller-assigned (paper: high-speed RTA >40 mph as occupant/pedestrian/cyclist; fall >3 m; high-speed projectile or object). NAI is caller-assigned. Not PECARN, CATCH, or Canadian CT Head. magent does not examine the child. Not a diagnosis or medical device.
——$0.005
POST/api/calc/charlson
Charlson 1987 original weighted comorbidity index. Nineteen caller-assigned flags with published weights 1, 2, 3, or 6 (max 37). 1-year mortality groups: 0, 1–2, 3–4, ≥5. Flags are independent (overlapping pairs are not dropped). Not a diagnosis, not Deyo or Quan ICD mapping, not age-adjusted Charlson. LACE takes the integer this tool returns. magent does not diagnose.
——$0.005
POST/api/calc/cheops
McGrath 1985 CHEOPS from six caller-assigned observational categories (cry 1-3; facial 0-2; child_verbal 0-2; torso, touch, and legs 1-2). magent sums only (published range 4-13) and does not observe the child. No invented analgesic cutoffs. Not a pain diagnosis or analgesic order. Not FLACC. Not BOPS.
——$0.005
POST/api/calc/child_pugh
Child–Pugh (Child–Turcotte–Pugh) cirrhosis severity from bilirubin, albumin, INR, caller-assigned encephalopathy, and ascites. Deterministic published score with citation; not a transplant listing protocol.
——$0.005
POST/api/calc/chip
Smits 2007 CHIP rule (adults ≥16, GCS 13-15). CT if ≥1 major (pedestrian/cyclist vs vehicle, ejected, vomiting, PTA ≥4 h, skull-fracture signs, GCS <15, GCS drop ≥2 at 1 h, anticoagulants, posttraumatic seizure, age ≥60) or ≥2 minor (fall from elevation, persistent anterograde amnesia, PTA 2 to <4 h, skull contusion, neurologic deficit, LOC, GCS drop of 1 at 1 h, age 40-60). Not a diagnosis; not Canadian CT Head, NEXUS, PECARN, or 2022 CHIP. magent does not examine the patient.
——$0.005
GET/api/calc/chip
magent
——$0.005
POST/api/calc/choles_score
Bharamgoudar 2018 CholeS Table 3 score for elective laparoscopic cholecystectomy duration. Age, sex, indication, BMI, CBD diameter, gallbladder wall, pre-op CT, planned IOC, prior surgical admissions, ASA class. Max 20. Numeric total only; no duration bands. Not a booking, not Nassar, not Tokyo. magent does not image the gallbladder.
——$0.005
POST/api/calc/chosen
Levine 2020 CHOSEN (COVID Home Safely Now): age 18-45 +5, 46-59 +2, 60-73 +1, >73 +0; SpO2 <94 +0, 94-96 +9, 97-98 +14, >98 +21; albumin g/dL <2.8 +0, 2.8-3.3 +5, 3.4-3.7 +15, >3.7 +29. Score 0-55. Cutpoint 30 (derivation sensitivity 83%, specificity 82%). Higher score favored event-free status in the paper. Not a discharge order.
——$0.005
POST/api/calc/circ
Garibaldi 2020 CIRC day-2/4/7 probability of severe disease or death from admission age, nursing-home residence, caller-assigned race term, Charlson CCI, BMI, symptoms, vitals, and listed laboratories. Appendix Table 1 coefficients on the printed reference cumulative incidences. Not a diagnosis, triage order, or the death-only Appendix Table 2 model.
——$0.005
POST/api/calc/cirs_g
Miller 1992 CIRS-G from 14 caller-assigned organ-system integers 0-4 (heart, vascular, hematopoietic, respiratory, EENT, upper GI, lower GI, liver, renal, genitourinary, musculoskeletal, neurologic, endocrine-metabolic, psychiatric). magent does not examine the patient. Total 0-56 plus count of categories rated ≥3. No total-score class. Not Charlson. Not a diagnosis.
——$0.005
POST/api/calc/cisne
Carmona-Bayonas 2015 CISNE: ECOG ≥2 (2), stress hyperglycemia (2), COPD (1), chronic cardiovascular disease (1), NCI CTC mucositis ≥2 (1), monocytes <200/µL (1). Max 8. Low 0, intermediate 1–2, high ≥3. Seemingly stable adult solid-tumor febrile neutropenia only. Deterministic published score with citation; not MASCC; not an outpatient-chemotherapy or discharge order. magent does not assign ECOG, assay glucose, diagnose COPD, read an echocardiogram, grade mucositis, or count monocytes.
——$0.005
POST/api/calc/ciwa_ar
Sullivan 1989 CIWA-Ar (revised Clinical Institute Withdrawal Assessment for Alcohol). Ten caller-assigned integers: nausea/vomiting, tremor, paroxysmal sweats, anxiety, agitation, tactile, auditory, visual, and headache each 0-7; orientation 0-4 (not 0-7). Max 67. magent sums only and does not observe the patient or apply later protocol treatment cutoffs such as benzodiazepine orders. Not a diagnosis and not a medical device.
——$0.005
POST/api/calc/ciwa_b
Busto 1989 CIWA-B: twenty caller-assigned 0-4 items summed (max 80). Optional hours of sleep and minutes to fall asleep are recorded only and are not in the total. magent does not observe the patient and does not apply later mild-to-very-severe manuals. Not a benzodiazepine prescription and not a medical device.
——$0.005
POST/api/calc/ckid_u25
CKiD U25 eGFR (Pierce 2021) for ages 1-25: age- and sex-dependent K times height in meters over creatinine (mg/dL), or K over cystatin C (mg/L), or the average of both when both markers are given. Height may be cm or inches; creatinine may be mg/dL or µmol/L. Not the Schwartz 2009 bedside 0.413 formula, not a drug dose, and not a CKD stage. Not a medical device.
——$0.005
POST/api/calc/clif_c_aclf
Jalan 2014 CLIF-C ACLF (CANONIC) from caller-assigned CLIF-C OF (integer 6-18), age, and WBC in 10^9/L. Score = 10 × (0.33 × CLIF-C OF + 0.04 × age + 0.63 × ln(WBC) − 2), rounded to 1 decimal then clamped 0-100. magent does not score the six organs or compute CLIF-C OF. Not MELD, MELD-Na, Child-Pugh, CLIF-SOFA, or a transplant listing protocol. Not a medical device.
——$0.005
POST/api/calc/cll_ipi
CLL-IPI 2016 for chronic lymphocytic leukaemia: TP53 abnormality (del(17p) and/or TP53 mutation) 4, unmutated IGHV 2, beta-2 microglobulin >3.5 mg/L 2, advanced stage (Binet B/C or Rai I–IV) 1, age >65 1; max 10. Low 0–1, intermediate 2–3, high 4–6, very_high 7–10. Deterministic published score with citation; not a CLL diagnosis; not Shipp IPI; not MIPI. magent does not assay TP53, IGHV, or beta-2 microglobulin.
——$0.005
POST/api/calc/cns_ipi
Schmitz 2016 CNS-IPI: Shipp IPI factors (age >60, ECOG ≥2, LDH > ULN, Ann Arbor III or IV, extranodal sites >1) plus kidney and/or adrenal involvement; 1 point each, max 6. Low 0–1, intermediate 2–3, high 4–6. CNS relapse risk after R-CHOP in DLBCL. Deterministic published score; not a CNS prophylaxis or LP order; not NCCN-IPI; not R-IPI; not a DLBCL diagnosis. magent does not stage lymphoma or image kidneys.
——$0.005
POST/api/calc/corrected_calcium
Payne albumin-corrected calcium from total calcium and albumin. Deterministic published formula with citation; not a treatment recommendation.
——$0.005
POST/api/calc/corrected_sodium
Sodium correction for hyperglycemia (Katz 1.6 or Hillier 2.4). formula is required; magent does not pick one silently. Deterministic published correction with citation; not a treatment recommendation.
——$0.005
POST/api/calc/cows
Wesson 2003 Clinical Opiate Withdrawal Scale (COWS). Eleven caller-assigned appendix integers (pulse 0/1/2/4, GI 0/1/2/3/5, sweating 0-4, tremor 0/1/2/4, restlessness 0/1/3/5, yawning 0/1/2/4, pupils 0/1/2/5, anxiety 0/1/2/4, aches 0/1/2/4, gooseflesh 0/3/5, rhinorrhea/tearing 0/1/4). Max 48. Severity 5-12 mild, 13-24 moderate, 25-36 moderately severe, >36 severe; 0-4 below mild (none). magent does not observe the patient. Not a buprenorphine induction protocol.
——$0.005
POST/api/calc/cp_aki
Gupta 2024 Figure 2 simple CP-AKI score after first IV cisplatin: age, hypertension, diabetes, current or former smoking, hemoglobin g/L, WBC, albumin g/L, magnesium mmol/L, and cisplatin dose mg. Max 22.5. Low / moderate / high / very_high. Not a diagnosis or chemo order. magent does not assay labs or dose cisplatin.
——$0.005
POST/api/calc/cpes
Bangalore 2023 composite PE shock score for intermediate-risk PE. Six equally weighted caller-assigned flags (elevated troponin per local assay, elevated BNP, moderate or severe RV dysfunction, saddle PE, concomitant DVT, tachycardia ≥100 beats/min), 1 point each, max 6. Integer 0–6 score only; no named bands. magent does not invent biomarker cutoffs, read echo, or take raw heart rate. Not a shock diagnosis, not sPESI/Bova/PESI, not hypotensive PE, and not a medical device.
——$0.005
POST/api/calc/cpis
Pugin 1991 clinical pulmonary infection score (CPIS, max 12) from temperature, leukocytes and band forms, tracheal secretions, PaO2/FiO2 with ARDS, chest radiograph, and tracheal-aspirate culture. Band CPIS>6 follows the 1991 derivation correlation. Not a VAP diagnosis or Singh modified CPIS.
——$0.005
POST/api/calc/cpo
Fincke 2004 cardiac power output from MAP (mm Hg) and cardiac output (L/min): CPO = MAP × CO / 451. Returns cpo_watts to two decimals and the paper ROC band (<=0.53 or >0.53) from the unrounded value. Equality at 0.53 W is <=0.53. MAP is caller-supplied (Fincke used diastolic + (systolic−diastolic)/3); this tool does not take SBP/DBP or compute cardiac power index. Not a medical device, shock diagnosis, or treatment target.
——$0.005
POST/api/calc/cpot
Gélinas 2006 CPOT from four caller-assigned 0-2 items (facial_expression, body_movements, muscle_tension, plus ventilator_compliance when intubated or vocalization when extubated) using that paper's 0/1/2 descriptors. magent sums only (max 8) and does not observe the patient. No later intensity cutoffs. Not a pain diagnosis or analgesic order. Not PAINAD.
——$0.005
POST/api/calc/cpp
Cerebral perfusion pressure from caller-supplied MAP and ICP in mm Hg: CPP = MAP − ICP, rounded to 1 decimal. Returns cpp_ge_70 when CPP is at least 70 mm Hg (Rosner 1995 protocol minimum). magent does not measure MAP or ICP and is not an invasive monitor. Not a medical device and not a treatment protocol.
——$0.005
POST/api/calc/cpri
Saisho 2011 CPR index: serum C-peptide (ng/mL) / plasma glucose (mg/dL) * 100, two decimals. timing fasting or postprandial (same formula; required label). below_best_cutoff true iff cpri < 2.02 (ROC for later insulin therapy; 80.8% sensitivity, 63.3% specificity). Glucose mg/dL only. Not HOMA-IR, not a diabetes diagnosis, not C-peptide alone, and not an insulin order.
——$0.005
POST/api/calc/cpsss
Katz 2015 Cincinnati Prehospital Stroke Severity Scale (CP-SSS): gaze deviation 2 if present else 0 + abnormal LOC 1 + arm cannot hold 10 s 1. Max 4. severe_stroke_suggested iff score ≥ 2. Not the 3-item CPSS facial/arm/speech screen, not NIHSS, not a tPA decision. magent does not examine the patient.
——$0.005
POST/api/calc/crafft
Knight 2002 CRAFFT: six caller-assigned yes/no flags (car, relax, alone, forget, friends, trouble), 1 point each, max 6. Screen-positive when score ≥2 (optimal cutoff in Knight 2002 for any problem / any disorder / dependence). Deterministic published score with citation; not a diagnosis of a substance use disorder and not a medical device. magent does not interview the patient. Not CAGE and not CRAFFT 2.1 / 2.0 quantity questions.
——$0.005
POST/api/calc/crash
Extermann 2012 CRASH chemotherapy toxicity score (not trauma CRASH): diastolic BP, IADL, LDH versus ULN, caller-assigned MAX2 Chemotox, ECOG, Mini-Mental Status, Mini-Nutritional Assessment. Hematologic 0–6, nonhematologic 0–8, combined 0–12 counting Chemotox once. Four-level low/medium_low/medium_high/high bands with derivation incidences. Not a chemotherapy order and not CARG-TT. magent does not look up regimens.
——$0.005
POST/api/calc/crb65
Lim 2003 CRB-65 for community-acquired pneumonia: confusion, respiratory rate ≥30/min, low blood pressure (SBP <90 or DBP ≤60), and age ≥65; 1 point each, max 4. No urea. Score only; no mortality percentages or site-of-care bands. Not a diagnosis. Not CURB-65. Caller assigns the C, R, and B flags; magent does not convert BUN or take BP numbers.
——$0.005
POST/api/calc/crcl_cockcroft_gault
Cockcroft-Gault creatinine clearance from age, sex, total body weight, and creatinine. Use when a label still doses on CrCl rather than CKD-EPI eGFR. Deterministic published formula with citation; not a dosing recommendation.
——$0.005
POST/api/calc/crusade
CRUSADE in-hospital major bleeding score (Subherwal 2009 Table 4) for NSTE-ACS / NSTEMI. Points from hematocrit, caller-assigned Cockcroft–Gault CrCl, heart rate, sex, CHF, prior vascular disease, diabetes, and systolic BP. Returns integer score (max 96), quintile band, and published in-hospital major-bleeding percent. Not a medical device; magent does not compute CrCl or examine the patient.
——$0.005
POST/api/calc/cryoprecipitate
Cryoprecipitate bag estimate from the AABB Technical Manual calculation as reprinted in Nascimento 2011: 70 mL/kg blood volume, 250 mg fibrinogen per bag, bags = ceil(mg_fibrinogen / 250). Deterministic published arithmetic with citation. Not a transfusion order or major-haemorrhage protocol. The paper notes 100% recovery is likely false and fibrinogen per bag varies. magent does not choose a product or ABO group.
——$0.005
POST/api/calc/csrs
Thiruganasambandamoorthy 2016 Canadian Syncope Risk Score: vasovagal predisposition −1, heart disease +1, any ED SBP <90 or >180 +2, troponin above the 99th percentile +2, QRS axis < −30° or >100° +1, QRS duration >130 ms +1, QTc >480 ms +2, ED vasovagal diagnosis −2, ED cardiac diagnosis +2. Score −3 to 11. Caller assigns flags and ECG numbers. Not a medical device, not a syncope diagnosis, and not a disposition protocol.
——$0.005
POST/api/calc/cstat
Static respiratory-system compliance (Cstat) as in ARDS Network 2000 methods: Cstat (mL/cm H2O) = tidal_volume_ml / (pplat_cm_h2o - peep_cm_h2o). Caller supplies the three measured terms. Rejects Pplat less than or equal to PEEP. Does not invent ARDS severity bands from Cstat (Murray 1988 compliance bands are a different tool). Not a ventilator order or medical device. magent does not read the ventilator.
——$0.005
POST/api/calc/cts_6
Graham 2006 CTS-6 from six caller-assigned booleans with published discrete weights (median-territory numbness 3.5, nocturnal numbness 4, thenar atrophy or weakness 5, Phalen 5, two-point discrimination loss 4.5, Tinel 4; max 26). Score >5 is associated with ≈25% probability of CTS; score >12 with ≈80%. magent does not examine the patient. Deterministic published arithmetic with citation; not a CTS diagnosis, not an EMG order, not a Boston questionnaire, and not a medical device.
——$0.005
POST/api/calc/curb65
CURB-65 pneumonia severity from age and discrete clinical flags. Deterministic published score with citation; not a treatment recommendation.
——$0.005
POST/api/calc/dad_ckd
Mocroft 2015 D:A:D full CKD risk score (Table 2 integer points only): IDU, hepatitis C, age, caller-assigned eGFR >60, sex, nadir CD4, hypertension, prior CVD, and diabetes. Bands low <0, medium 0–4, high ≥5. Not the short score, not the Poisson probability model, not NNTH, and not an ART start order. Race is not an input.
——$0.005
POST/api/calc/damico
D'Amico 1998 JAMA clinically localized prostate-cancer groups from caller-assigned T (t1c, t2a, t2b, t2c), Gleason 2-10, and PSA ng/mL (0.1-200). Returns low, intermediate, or high. High if T2c or PSA > 20 or Gleason ≥ 8; else intermediate if T2b or Gleason 7 or PSA > 10 and ≤ 20; else low if T1c/T2a and PSA ≤ 10 and Gleason ≤ 6. Not CAPRA. Not NCCN. magent does not assay PSA or assign Gleason. Not a diagnosis. Not a medical device.
——$0.005
POST/api/calc/dapt
Yeh 2016 DAPT prediction rule after PCI: exclusive age (<65: 0; 65 to younger than 75: -1; 75 or older: -2) plus MI at presentation, prior MI or PCI, diabetes, stent diameter <3 mm, smoking (current or within past year), and paclitaxel-eluting stent (1 each); CHF or LVEF <30% and vein-graft intervention (2 each). Max 10. Score >=2 high, <2 low. Not a duration order. Not a diagnosis.
——$0.005
POST/api/calc/das28_crp
Wells 2009 DAS28(CRP): 0.56*sqrt(TJC28)+0.28*sqrt(SJC28)+0.014*GH+0.36*ln(CRP+1)+0.96. CRP is mg/L, not SDAI mg/dL. GH is 0-100 mm VAS, not 0-10. The +0.96 constant is required. Remission is DAS28<2.6 as stated in that paper. magent does not count joints or assay CRP. Not DAS28-ESR, SDAI, or CDAI. Not a rheumatoid arthritis diagnosis.
——$0.005
POST/api/calc/das28_esr
Prevoo 1995 DAS28-ESR: 0.56*sqrt(tjc28) + 0.28*sqrt(sjc28) + 0.70*ln(esr_mm_h) + 0.014*gh (0-100 mm VAS, not 0-10 CDAI/SDAI). Caller-assigned 28-joint counts 0-28; ESR strictly >0 (typical 1-150). magent does not count joints or assay ESR. Score only; Prevoo 1995 does not publish later EULAR 2.6/3.2/5.1 cutoffs. Not SDAI, not CDAI, not DAS28-CRP. Not a rheumatoid arthritis diagnosis.
——$0.005
POST/api/calc/dash
Tosetto 2012 DASH (D-dimer, Age, Sex, Hormonal therapy) after a first unprovoked VTE: abnormal D-dimer after stopping anticoagulation +2, age <50 +1 (age 50 does not score), male +1, hormone use at the initial VTE in women -2. Score -2 to 4. Returns published recurrence bands <=1, 2, and >=3 without percents. Not a medical device and not a duration-of-anticoagulation order.
——$0.005
POST/api/calc/dasi
Hlatky 1989 Duke Activity Status Index. Twelve caller-assigned yes/no items (self-care through strenuous sports); Yes adds the Table I weight, No adds 0. Light housework is 2.70. DASI is the sum (0-58.2). Estimated peak VO2 mL/kg/min = 0.43 x DASI + 9.6. magent does not observe the patient. Not a functional-capacity assignment or exercise-test replacement.
——$0.005
POST/api/calc/dast_10
Skinner 1982 10-item Drug Abuse Screening Test (DAST-10). Caller-assigned yes/no items; score is the count of answers in the problem direction (able_to_stop scores 1 if false; the other nine score 1 if true), max 10. Degree-of-problems bands 0 no problems, 1-2 low, 3-5 moderate, 6-8 substantial, 9-10 severe. Not a diagnosis, not a toxicology panel, not DAST-20, and not DAST-28. magent does not interpret the items.
——$0.005
POST/api/calc/decaf
Steer 2012 DECAF: eMRCD 1-4 → 0, 5a → 1, 5b → 2; eosinophils <0.05 ×10^9/L → 1 (0.05 does not score); caller-assigned consolidation → 1; arterial pH <7.30 → 1 (7.30 does not score); atrial fibrillation → 1. Returns a 0–6 total and band 0-1 / 2 / 3-6. Deterministic published points with citation. Not an early-discharge or escalation protocol and not a medical device.
——$0.005
POST/api/calc/delta_p
Titulaer 2011 DELTA-P for SCLC association in Lambert-Eaton myasthenic syndrome. One point each, at or within 3 months of LEMS onset: bulbar weakness (dysarthria/dysphagia/chewing/neck weakness); erectile dysfunction if male (always 0 if female); weight loss ≥5%; smoking at onset; age ≥50; Karnofsky <70. Max 6. Bands low 0-1, intermediate 2, high 3-6. Published SCLC percents for scores 0, 1, 3-6; none for score 2. Not a LEMS diagnosis, not SOX1, and not an SCLC screen.
——$0.005
POST/api/calc/denver_bcvi
Modified Denver BCVI (Cothren 2005). Positive if any sign (arterial hemorrhage; cervical bruit age <50; expanding cervical hematoma; focal deficit; neuro exam incongruous with head CT; stroke on secondary CT) or any risk factor (LeFort II/III; C-spine subluxation, transverse foramen, or C1-C3; basilar skull with carotid canal; DAI with GCS <6; near hanging with anoxia). Imaging indicated when positive. Not Biffl grade, expanded Denver, NEXUS, or Canadian C-spine. magent does not read CTA.
——$0.005
POST/api/calc/dhaka
Levine 2015 DHAKA Dehydration Score (Table 3, not the Tree): appearance 0/2/4, respirations 0/2, skin pinch 0/2/4, tears 0/1/2. Max 12. Bands 0-1 / 2-3 / ≥4. Derived in children <5 with acute diarrhea. magent does not examine the child or order fluids. Not a WHO IMCI clone. Not a medical device.
——$0.005
GET/api/calc/dhrs
Haukoos 2012 Table 2 FULL Denver HIV score (not abbreviated). Age bands, sex, ethnicity, and five caller-assigned flags (sm vi rai idu pht). Range -14 to 81. Caller-assigned. Not a diagnosis.
——$0.005
POST/api/calc/dhrs
magent
——$0.005
POST/api/calc/dipss
Passamonti 2010 DIPSS for primary myelofibrosis: age >65 (1), WBC >25×10^9/L (1), hemoglobin <10 g/dL (2), peripheral-blood blasts ≥1% (1), constitutional symptoms (1); max 6. Low 0, intermediate_1 1–2, intermediate_2 3–4, high 5–6. Not DIPSS Plus or aaDIPSS. magent does not read a smear; constitutional symptoms are caller-assigned.
——$0.005
POST/api/calc/dire
Belgrade 2006 DIRE score: Diagnosis, Intractability, and Efficacy each caller-assigned 1-3; Risk is the sum of Psychological, Chemical, Reliability, and Social support (each 1-3, so Risk 4-12). Total 7-21. Scores 14-21 are more suitable for long-term opioid maintenance; 7-13 less suitable. Caller assigns the integers. magent does not take a pain history or write an opioid prescription or taper. Not a medical device.
——$0.005
POST/api/calc/disease_steps
Hohol 1995 Disease Steps: caller-assigned integer 0-6 (normal; mild disability, mild symptoms or signs; moderate disability, visible abnormality of gait; early cane, intermittent use of cane; late cane, cane-dependent; bilateral support; confined to wheelchair). Not 0.5 half-steps, not later Disease Steps Plus, and not EDSS. magent does not examine gait. Not a medical device and not an MS diagnosis.
——$0.005
POST/api/calc/dka_mpm
Efstathiou 2002 DKA-MPM. Six caller-assigned flags: severe coexisting disease at presentation (+6), pH <7.0 at presentation (+4), regular insulin >50 IU in the first 12 h (+4), glucose >16.7 mmol/L after 12 h (+4), depressed mental state after 24 h (+4), fever after 24 h (+3). Max 25. Published in-hospital death 0.86% for scores 0–14 and 93.3% for 19–25; scores 15–18 return the total only. magent does not assay pH or glucose. Not a DKA treatment or insulin-dose order. Not a medical device.
——$0.005
POST/api/calc/dli_volume
Shi 2020 donor whole-blood liters to process for a CD3+ DLI target: (recipient_weight_kg × cd3_target_per_kg × num_infusions) / (0.6 × donor_alc_per_ul × collection_efficiency × 1e6). Estimates CD3 as 60% of donor ALC. Caller assigns collection_efficiency in (0,1]; the paper used first-quartile 0.57. Deterministic published arithmetic with citation. Not an apheresis order; magent does not run a device or the paper's CD34 HPC algorithm.
——$0.005
POST/api/calc/doac_score
Aggarwal 2023 DOAC Score (Circulation Table 2) for AF on DOACs: age 65-69 2 / 70-74 3 / 75-79 4 / >=80 5 (<65 0); CrCl/eGFR 30-60 inclusive 1, <30 2; underweight caller BMI <18.5 flag 1; stroke/TIA/embolism 1; diabetes 1; hypertension 1; antiplatelet none 0, aspirin 2, dual 3; NSAID 1; bleeding history 3; liver disease 2. Score min(raw, 10). Bands 0-3 very_low, 4-5 low, 6-7 moderate, 8-9 high, 10 very_high. Not HAS-BLED. Not DOAC dosing. Not warfarin.
——$0.005
POST/api/calc/dragon
DRAGON (Strbian 2012 Neurology) for 3-month outcome after IV thrombolysis. CT hyperdense artery or early infarct 0/1/2, prestroke mRS >1 (1), age <65/65-79/>=80 (0/1/2), glucose >8 mmol/L (mg/dL /18) (1), onset-to-treatment >90 min (1), NIHSS 0-4/5-9/10-15/>15 (0/1/2/3); max 10. Tabulated mRS 0-2 and mRS 5-6 percents for scores 0-1, 2, 3, 8, and 9-10 only. Not a tPA decision. Not studied in basilar occlusion. magent does not read CT or assign NIHSS.
——$0.005
POST/api/calc/drip
Webb 2016 DRIP (drug resistance in pneumonia): ten caller-assigned flags, four major at 2 points and six minor at 1, max 14. high_risk if score >= 4. Deterministic published score with citation; not a medical device, not an antibiotic order, and not HCAP. magent does not classify the facility or compute Karnofsky.
——$0.005
POST/api/calc/dsi
Diastolic shock index as heart rate in bpm divided by cuff diastolic pressure in mm Hg (Ospina-Tascón 2020). Returns the ratio rounded to two decimals. Not a shock diagnosis, treatment target, or cutoff. Distinct from Allgöwer–Burri HR/SBP shock index. The 2020 cohort had no normal-subject control group, so a DSI cutoff to identify abnormality could be misleading.
——$0.005
POST/api/calc/du_bois
du Bois 2011 abbreviated four-predictor IPF score from age (<60 → 0, 60–69 → 4, ≥70 → 8), 24-week respiratory hospitalization (true → 14), FVC % predicted (<50 → 18, 51–65 → 13, 66–79 → 8, >80 → 0; 50 and 80 unpublished), and 24-week FVC % change (≤ −10 → 21, > −10 and < −4.9 → 10, ≥ −4.9 → 0). Returns a 0–61 total only. Does not interpolate Table 4 risk percents. Not GAP and not a transplant listing.
——$0.005
POST/api/calc/duke
Durack 1994 original Duke criteria for infective endocarditis. Definite if pathologic_definite or clinical_definite (2 major, or 1 major plus 3 minor, or 5 minor); else rejected if any rejected flag; else possible. Suggestive echo and suggestive micro are not double-counted with the matching major. Caller assigns flags. magent does not examine the patient, read an echocardiogram, or interpret cultures. Not Li 2000 modified Duke. Not ISCVID 2023. Not a diagnosis.
——$0.005
POST/api/calc/duke_iscvid
2023 Duke-ISCVID (Fowler) IE criteria. Definite if pathologic_definite or clinical_definite (2 major, or 1 major plus 3 minor, or 5 minor). Possible if 1 major plus 1 minor or 3 minor. Rejected if neither, or if a rejected flag is true and definite does not hold. Majors are caller-assigned microbiologic, imaging, and surgical domains. minor_microbiologic is not counted when major_microbiologic is true. magent does not read echo, PET, or cultures. Not Durack 1994. Not Li 2000. Not a diagnosis.
——$0.005
POST/api/calc/duke_treadmill
Mark 1991 Duke treadmill score: duke_treadmill_score = exercise_min - (5 * st_deviation_mm) - (4 * angina_index), 1 decimal. Angina index 0 none, 1 nonlimiting, 2 exercise-limiting. High if score < -10, moderate -10 to 4, low >= 5. Not a catheterization order, CAD diagnosis, or Bruce-protocol prescription. magent does not read the ECG.
——$0.005
POST/api/calc/dutch_fh
Dutch Lipid Clinic Network (Nordestgaard 2013 Table 1) familial hypercholesterolaemia score. One LDL (mmol/L or mg/dL / 38.67) plus family, clinical, physical, and DNA groups; per group only the highest. Max 26. Definite >8, probable 6-8, possible 3-5, unlikely 0-2. Score 8 (mutation alone) is probable. Adult Table 1 only; not Simon Broome, not MEDPED, not homozygous FH. magent does not assay lipids, examine tendons or arcus, or sequence genes. Not a medical device and not a diagnosis of FH.
——$0.005
POST/api/calc/duval_aml
Duval 2010 AML Table 5 (not ALL): PIF or CR1 >6 mo 0 / CR1 <6 mo 1; ECOG/SWOG cyto good/intermediate 0, poor 1; HLA sibling or well/partially matched unrelated 0, mismatched unrelated 1, related other 2; circulating blasts 1; KPS/Lansky <90 1; max 6. Groups 0, 1, 2, ≥3. Caller assigns categories; magent does not karyotype. Not a transplant listing.
——$0.005
POST/api/calc/easi
Hanifin 2001 EASI from four regions. Each region: area 0-6 and erythema, edema/papulation, excoriation, and lichenification 0-3. Region score = (sum of signs) × area × adult weight (head/neck 0.1, upper extremities 0.2, trunk 0.3, lower extremities 0.4). Total max 72. Adult weights only. magent does not examine the skin. No IGA or later severity bands. Not a diagnosis.
——$0.005
POST/api/calc/eat_sleep_console
Grossman 2018 Eat, Sleep, Console functional assessment. well_managed iff eat ≥1 oz per feed or breastfeed well, sleep undisturbed ≥1 hour, and console within 10 minutes if crying. needs_increased_treatment iff not well_managed (boolean only; not a morphine dose). Not modified Finnegan. Not the later ESC Care Tool item list. magent does not examine the infant. Not a diagnosis or medical device.
——$0.005
POST/api/calc/ecog
Oken 1982 ECOG performance status: caller-assigned integer 0-4 (fully active; restricted strenuous activity, ambulatory, light work; ambulatory, all self-care, unable to work, up >50% waking hours; limited self-care, bed/chair >50% waking hours; completely disabled, no self-care, totally bed/chair). Grade 5 (dead) is not scored. Returns score, max 4, and a stable label. Not a performance-status assignment and not Karnofsky; magent does not observe the patient.
——$0.005
POST/api/calc/ed_buprenorphine
ED-initiated buprenorphine milligrams from D'Onofrio 2015 (JAMA; PMID 25919527): dose_mg is 8 on protocol day 1 and 16 on days 2 and 3. Take-home schedule only. Not a home-induction decision tree, not COWS scoring, and not a prescription or X-waiver. magent does not score withdrawal.
——$0.005
POST/api/calc/edacs
Than 2014 EDACS from age bands, male sex, known CAD or three risk factors (age 18-50 only), diaphoresis, radiation, inspiration (−4), and palpation (−6). Returns the point total (may be negative) and whether the score is <16. The paper ADP also requires ECG and 0/2h troponin, which magent does not take. Not a diagnosis or discharge order. Deterministic published arithmetic with citation.
——$0.005
POST/api/calc/egfr_ckd_epi
CKD-EPI 2021 creatinine eGFR (race-free). Use when an agent must not guess kidney function from a language model. Deterministic published formula with citation.
——$0.005
POST/api/calc/egri
El-Ganzouri 1996 simplified airway risk index (0/1/2): mouth opening >4 cm=0, <=4=1; thyromental >6.5 cm=0, 6.0-6.5=1, <6.0=2; original Mallampati 1/2/3 = 0/1/2 (class 4 not used); neck >90 deg=0, 80-90=1, <80=2; can prognath true=0, false=1; weight <90 kg=0, 90-110=1, >110=2; intubation history none/questionable/definite = 0/1/2. Max 12. High risk if score >=4. Not an intubation order; magent does not examine the airway.
——$0.005
POST/api/calc/egsys
Del Rosso 2008 EGSYS: palpitations +4, abnormal ECG or heart disease +3, syncope during effort +3, syncope while supine +2, absence of autonomic prodromes −1, absence of predisposing and/or precipitating factors −1. Range −2 to 12. Discriminator is score ≥3 versus <3 (cardiac-syncope triage). Caller assigns six flags. Not a medical device, not a cardiac-syncope diagnosis, and magent does not take a history.
——$0.005
POST/api/calc/egus
Brindle 2021 Edinburgh gastric ulcer score (human gastric ulcer at index OGD): age <68 → 0, 68-79 → 1, ≥80 → 2; size <1.25 cm → 0, 1.25-2.99 cm → 2, ≥3.00 cm → 3 (no 1-point size band); antral 0, non-antral 1. Total 0-6. higher_malignancy_risk iff score ≥ 3. Use only with macroscopically benign appearance and ≥6 negative biopsies. magent does not read endoscopy images. Not equine EGUS. Not a medical device.
——$0.005
POST/api/calc/ehmrg
Lee 2012 EHMRG 7-day ED model (Table 3 integer score): 2*age + 60 if EMS transport - min(SBP,160) + clamp(HR,80-120) - 2*min(SpO2,92) + 20*creatinine_mg_dl + K (<=3.9: +5; 4.0-4.5: 0; >=4.6: +30) + 60 if troponin>ULN + 45 if active cancer + 60 if home metolazone + 12. Groups 1/2/3/4/5a/5b. Dialysis-dependent excluded. Not EHMRG30-ST, not ADHERE CART, not a discharge or admission order.
——$0.005
POST/api/calc/em_mdm
2023 emergency medical decision making from AMA CPT Table 1 as reprinted by ACEP. Caller assigns problems, data, and risk as straightforward, low, moderate, or high. Overall MDM is the highest level at which at least 2 of 3 elements are met or exceeded. Not a bill or CPT assignment. magent does not code the chart.
——$0.005
POST/api/calc/eoss
Sharma 2009 Edmonton Obesity Staging System (EOSS). Caller-assigned stage 0-4 with the published clinical-picture wording. magent does not assign stage from BMI or from separate medical, functional, or psychological domain scores. Not WHO BMI class. Not a diagnosis. Not a surgical-eligibility gate. magent does not examine the patient. Not a medical device.
——$0.005
POST/api/calc/epds
Cox 1987 EPDS: 10 caller-assigned integers 0-3 (past 7 days). laugh, enjoyment, and anxious are reverse-scored in that paper; the caller assigns the published 0-3 (0 = least symptomatic pole after that reverse key). Total 0-30. This paper's threshold is 12/13 (at or above iff score ≥13). magent does not interview, apply later ≥10 community cuts, PHQ-9, QIDS, or MDI. Not a diagnosis.
——$0.005
POST/api/calc/epiphany
Carmona-Bayonas 2017 EPIPHANY CHAID tree for cancer-associated PE. Hestia-like CDR any vs none, then ECOG-PS, SaO2, PE symptoms, tumour response, and primary resection as in Figure 2. Returns low, intermediate, or high with 15-day complication rates 1.6/9.4/30.6% and mortality 0.3/6.1/17.1%. Caller assigns the six covariates. Not a diagnosis or anticoagulation order. magent does not examine the patient.
——$0.005
POST/api/calc/erefs
Hirano 2013 modified EREFS: caller-assigned edema (absent 0, present 1), rings (none 0, mild 1, moderate 2, severe 3), exudates (none 0, mild_lt_10pct 1, severe_gt_10pct 2), furrows (absent 0, present 1; original 0-2 collapsed), stricture (absent 0, present 1). magent sums only (max 8; not later 0-9). No activity bands, inflammatory/fibrostenotic subscores, crepe-paper, or narrow-calibre. magent does not perform endoscopy. Not a diagnosis.
——$0.005
POST/api/calc/esas_r
Watanabe 2011 ESAS-r from nine caller-assigned integers 0-10 (pain, tiredness, drowsiness, nausea, lack of appetite, shortness of breath, depression, anxiety, wellbeing; now; 0 none/best, 10 worst). magent does not administer the form. Sum 0-90. Watanabe 2011 published no severity classes for that sum. Not Bruera 1991 ESAS, not ESAS-r Renal (itch is not a core item), not a diagnosis or treatment order, and not a medical device.
——$0.005
POST/api/calc/estimated_ethanol
Fasting Watson 1981 theoretical Co from ingested ethanol grams and sex-specific Watson 1980 total body water. Blood-water fraction 0.80; absorbed fraction 1. Fasting Widmark-type estimate only. Ethanol only; not a medicolegal BAC or treatment dose.
——$0.005
POST/api/calc/esus
ESUS (Hart 2014). True iff all five caller-assigned flags hold: non-lacunar infarct on CT/MRI; no ≥50% stenosis supplying the ischaemia; no major-risk cardioembolic source; no other specific cause; and Panel 3 minimum workup (brain CT/MRI, 12-lead ECG, precordial echo, ≥24 h automated rhythm monitoring (not telemetry), extra- and intracranial arterial imaging). Incomplete workup is not ESUS. Not a stroke diagnosis, not TOAST cryptogenic, not anticoagulation. magent does not read imaging.
——$0.005
POST/api/calc/euromacs_rhf
Soliman 2018 EUROMACS 9.5-point right-sided heart failure score after continuous-flow LVAD. Five caller-assigned flags: RA/PCWP >0.54 (2), hemoglobin ≤10 g/dL (1), multiple IV inotropes (2.5), INTERMACS class 1-3 (2), severe RV dysfunction (2). Max 9.5; half-points not integer-rounded. Bands: low 0-2, intermediate >2 to 4, high >4. Not a device indication. Not Michigan RV-failure score. Not CRITT. magent does not catheterize or echo.
——$0.005
POST/api/calc/euroscore_ii
Nashef 2012 EuroSCORE II Table 6 logistic in-hospital mortality after adult cardiac surgery. Age Xi is 1 if age <= 60, else age - 59. Renal function is a caller-assigned creatinine-clearance band or dialysis; magent does not run Cockcroft-Gault. Returns logit and estimated_probability_percent from the unrounded logit. Not additive EuroSCORE I, not a medical device, and Nashef 2012 publishes no low/intermediate/high percent cuts.
——$0.005
POST/api/calc/eutos
Hasford 2011 EUTOS score for baseline untreated chronic myeloid leukemia (CML). eutos_score = 4 * spleen_cm + 7 * basophils_percent, rounded to 1 decimal. Low if score ≤ 87; high if score > 87. spleen_cm is centimetres below the costal margin (0-40); basophils_percent is peripheral-blood basophils (0-100). Not a CML diagnosis and not a TKI choice.
——$0.005
POST/api/calc/evendo
Dong 2019 EVendo score for screening high-risk esophageal varices. A = (8.5 * INR) + (AST/35); B = (platelets/150) + (BUN/20) + (hemoglobin/15); score = A/B + 1 if ascites. US conventional units. Round to 2 decimals. Published cutoff strictly below 3.90. magent clamps: INR 0.8-4.0, AST 5-4000 U/L, platelets 10-800 k/uL, BUN 2-150 mg/dL, hemoglobin 4-20 g/dL. Not a varices diagnosis or endoscopy order. magent does not assay labs. Not a medical device.
——$0.005
POST/api/calc/face_drops
McEntire 2025 FACE DROPS: seven caller-assigned flags for acute Lyme disease-associated facial palsy versus Bell palsy. Fever +8, aches (arthralgia/myalgia) +6, cephalalgia +3, exhaustion +4, dermatomal or radicular pattern +4, otalgia or postauricular pain −1, stiff neck +3. Score −1 to 28. Scores ≤4 favor Bell palsy; ≥7 favor LDFP; 5–6 indeterminate. Not a Lyme test, diagnosis, serology order, or stroke FACE-DROPS mimic score. magent does not examine the face.
——$0.005
POST/api/calc/fast
Scalea 1999 FAST four Ps (pericardial, perihepatic, perisplenic, pelvic). Each window is a caller-assigned boolean for free intraperitoneal fluid (perihepatic/Morison, perisplenic, pelvic) or pericardial fluid. positive is true if any window is positive and false only if all four are negative. Sequence is not required. Not eFAST pleural views. Not Huang or McKenney scoring. Not a laparotomy order. magent does not scan or interpret ultrasound. Not a medical device.
——$0.005
POST/api/calc/fast_ed
Lima 2016 FAST-ED (Field Assessment Stroke Triage for Emergency Destination): facial_palsy 0-1 + arm_weakness 0-2 + speech 0-2 + eye_deviation 0-2 + neglect 0-2. Max 9. lvo_suggested iff score ≥4. Bands 0_to_1 / 2_to_3 / gte_4. Time is documented for decision making (0 points, not scored). Not a stroke diagnosis or transfer order. magent does not examine the patient.
——$0.005
POST/api/calc/fena
Fractional excretion of sodium (FENa) from plasma and urine sodium and creatinine. Espinel 1976 oliguric ARF strata. Deterministic published formula with citation; not a diagnosis.
——$0.005
POST/api/calc/feurea
Fractional excretion of urea (FEUN) from BUN, urine urea nitrogen, and plasma/urine creatinine (Carvounis 2002). Use when diuretics make FENa unhelpful. Deterministic published formula with citation; not a diagnosis.
——$0.005
POST/api/calc/feverpain
FeverPAIN from Little 2013 (PRISM): five caller-assigned flags (fever in past 24 hours, purulent tonsils, attendance within 3 days, severely inflamed tonsils, no cough or coryza), 1 point each, max 5. Returns published score groups 0-1 / 2-3 / 4-5. Deterministic published score with citation; not a medical device, not a test-or-treat order, and not a diagnosis of streptococcal pharyngitis. magent does not examine the throat.
——$0.005
POST/api/calc/ffm
Boer 1984 estimated lean body mass from sex, height_cm, and weight_kg (male 0.407W+0.267H-19.2; female 0.252W+0.473H-48.3). Reports lbm_kg (paper term) with ffm_kg as the same alias. Height 100-220 cm and weight 20-300 kg are magent clamps, not Boer bands. Not a dosing weight, James/Hume formula, or measured body composition. magent does not measure the patient.
——$0.005
POST/api/calc/fib4
FIB-4 fibrosis index from age, AST, ALT, and platelets. Use for MASH/NASH prior-auth arithmetic. Deterministic published index with citation; not a diagnosis.
——$0.005
POST/api/calc/fick
Fick 1870 cardiac output: CO (L/min) = VO2 (ml/min) / (CaO2 - CvO2) with contents in ml/L (ml/dL x10). Caller supplies the three measured terms. Does not estimate VO2 from BSA or apply Hufner Hb factors. Rejects CaO2 <= CvO2. Not a catheter order, shock diagnosis, or medical device. magent does not sample blood.
——$0.005
POST/api/calc/figo_ovarian
Prat 2014 FIGO staging for cancer of the ovary, fallopian tube, and peritoneum as assigned by the caller (IA, IB, IC1-IC3, IIA, IIB, IIIA1i, IIIA1ii, IIIA2, IIIB, IIIC, IVA, IVB). Returns the canonical stage and Prat 2014 defining features. magent does not read imaging or pathology and does not apply AJCC TNM. Not endometrial or cervical FIGO. Not a diagnosis. Not a medical device.
——$0.005
POST/api/calc/findrisc
Lindström 2003 Finnish diabetes risk score (FINDRISC). Original seven-item 0–20 score, cutoff ≥9: age (<45 → 0, 45–54 → 2, 55–64 → 3, ≥65 → 4); BMI (<25 → 0, 25–30 → 1, >30 → 3); sex-specific waist; BP medication 2; high-glucose history 5; daily 30-min activity 0 else 2; daily vegetables 0 else 1. Returns score and at_risk. Not a diabetes diagnosis and not the later family-history revision.
——$0.005
POST/api/calc/finnegan
Modified Finnegan NAS from Maguire 2013 Table 1 (operational modified FNAS; not a 31-item website variant; not Maguire's 7-item short form). Exclusive cry, sleep, Moro, tremor, fever, respiratory, and stool bands plus true/false CNS, vasomotor, and GI items. Sum 0-46. at_or_above_8 iff score >= 8. magent does not examine the infant. Not Eat Sleep Console. Not a morphine order, diagnosis, or medical device.
——$0.005
POST/api/calc/fisher
Fisher 1980 original CT groups 1-4 for subarachnoid hemorrhage as assigned from CT by the caller. Returns the published group and description. Group 3 (thick SAH) was the high-vasospasm group; group 4 is ICH/IVH without thick SAH, not a worse grade than 3. Not modified Fisher 2006. Not a diagnosis; magent does not read the CT.
——$0.005
POST/api/calc/fistula_risk
Callery 2013 Fistula Risk Score after pancreatoduodenectomy: gland texture firm 0 / soft 2; pathology PDAC or pancreatitis 0 / other (ampullary, duodenal, cystic, islet cell) 1; duct mm ≥5 0, ≥4 1, ≥3 2, ≥2 3, else 4; EBL mL ≤400 0, 401–700 1, 701–1000 2, >1000 3. Max 10. Bands negligible 0, low 1–2, intermediate 3–6, high 7–10. magent does not palpate the gland or measure EBL. Not a CR-POPF diagnosis, not an ISGPS grade, not Ranson or BISAP. Not a medical device.
——$0.005
POST/api/calc/flacc
Merkel 1997 FLACC from five caller-assigned 0-2 items (face, legs, activity, cry, consolability) using that paper's 0/1/2 descriptors. magent sums only (max 10) and does not observe the child. No later intensity cutoffs. Not a pain diagnosis or analgesic order. Not PAINAD.
——$0.005
POST/api/calc/flamm_vbac
Flamm 1997 admission VBAC score, max 10. Points: age under 40 (+2); vaginal birth none 0, before first cesarean 1, after first cesarean 2, before and after 4; first cesarean not for failure to progress (+1); admission effacement gt_75 +2, from_25_to_75 +1, lt_25 0; dilation >=4 cm (+1). Published success 49% for scores 0-2 and 95% for 8-10; other scores return the total only. Not a trial-of-labor order. magent does not examine the cervix.
——$0.005
POST/api/calc/fleischner_2017
MacMahon 2017 Fleischner table for one solid noncalcified incidental nodule. size_mm 1-30 and caller-assigned high_risk. <6 mm: no routine follow-up (optional CT at 12 months if high risk). 6-8 mm: CT at 6-12 months, then consider or obtain 18-24 month CT by risk. >8 mm: consider CT at 3 months, PET/CT, or tissue sampling. Not subsolid, multiple, or Lung-RADS screening. magent does not read CT. Not a diagnosis or medical device.
——$0.005
POST/api/calc/fli
Bedogni 2006 fatty liver index from caller-supplied BMI, waist, triglycerides (mg/dL or mmol/L), and GGT. FLI = logistic(L)*100 with L from loge triglycerides, BMI, loge GGT, and waist. FLI <30 rules out hepatic steatosis; FLI >=60 rules in; 30 to <60 indeterminate. Not a diagnosis, imaging substitute, hepatic steatosis index, NAFLD fibrosis score, FIB-4, or APRI.
——$0.005
POST/api/calc/flipi
Solal-Céligny 2004 FLIPI: age >60, Ann Arbor III–IV, hemoglobin <120 g/L, nodal areas >4, LDH above ULN; 1 point each, max 5. Low 0–1, intermediate 2, high ≥3. Deterministic published score with citation; not a follicular-lymphoma diagnosis or treatment choice; FLIPI 2004 not FLIPI-2. magent does not stage lymphoma, assay hemoglobin, count nodal sites, or measure LDH.
——$0.005
POST/api/calc/flipi24
Maurer 2025 FLIPI24: 24-month event probability in newly diagnosed follicular lymphoma from age (nonlinear, inflection at 75), hemoglobin, WBC, LDH/ULN, and beta-2 microglobulin. Table S5 Cox algorithm assuming R-CHOP or B-R-like immunochemotherapy and 50% anti-CD20 maintenance. Low/intermediate/high at 0.10 and 0.15. Not Solal-Céligny FLIPI 2004. Not a diagnosis or treatment order. magent does not assay labs.
——$0.005
POST/api/calc/fluid_io
Net fluid balance in mL: caller-assigned total intake minus total output over the same interval. Optional oral plus IV intake and urine, ultrafiltration, drain, and GI output must sum to those totals when sent (Acheampong and Vincent 2015). Does not estimate insensible losses. Not a resuscitation or diuretic order; magent does not measure I/O. Deterministic published arithmetic with citation.
——$0.005
POST/api/calc/fni
Tavaglione 2023 fibrotic NASH index (FNI) from AST, HbA1c, and HDL cholesterol. FNI = e^x/(1+e^x) with x = -10.33 + 2.54*ln(AST) + 3.86*ln(HbA1c) - 1.66*ln(HDL mg/dL). HDL may be mg/dL or mmol/L (×38.67). Rule-out ≤0.10; indeterminate between 0.10 and 0.33; rule-in ≥0.33. Not a biopsy, not FIB-4, not the NAFLD fibrosis score, not SAFE, and not BARD.
——$0.005
POST/api/calc/fomepizole
Adult IV fomepizole milligrams from weight (AACT 1999). Loading 15 mg/kg. Maintenance 10 mg/kg every 12 hours for four doses, then 15 mg/kg every 12 hours after 48 hours (auto-induction). Same milligrams during hemodialysis at a 4-hour interval. Not a prescription, indication, or brand order. magent does not assay ethylene glycol or methanol.
——$0.005
POST/api/calc/fong
Fong 1999 clinical score after hepatic resection for metastatic colorectal cancer: five caller-assigned preoperative flags (node-positive primary, disease-free interval <12 months, more than one hepatic tumor, largest tumor >5 cm, CEA >200 ng/mL), 1 point each, score 0–5. favorable is true iff score ≤2. Not a resectability decision or adjuvant protocol. magent does not interpret imaging or pathology.
——$0.005
POST/api/calc/forrest
Forrest 1974 endoscopic ulcer class as assigned by the caller: ia active spurting haemorrhage, ib active oozing, iia non-bleeding visible vessel, iib adherent clot, iic flat pigmented haematin / coffee-ground base, iii clean ulcer base. Returns the canonical class and 1974 lesion description. magent does not interpret endoscopy images or invent rebleeding percentages. Not a medical device.
——$0.005
POST/api/calc/four_score
FOUR score (Wijdicks 2005) from caller-assigned eye, motor, brainstem, and respiration integers 0-4; magent sums only (max 16) and does not pick a component from a narrative. Eye 4 tracking/blink to command to 0 closed to pain; motor 4 thumbs-up/fist/peace to 0 none or myoclonus status; brainstem 4 pupil and corneal present to 0 pupil, corneal, and cough absent; respiration 4 not intubated regular to 0 ventilator rate or apnea. Not a diagnosis and not a GCS conversion.
——$0.005
POST/api/calc/four_ts
4Ts score (Lo 2006) for heparin-induced thrombocytopenia pretest probability. Four caller-assigned integers 0-2 (thrombocytopenia, timing, thrombosis, other causes) using the published table; magent sums only (max 8). Bands 0-3 low, 4-5 intermediate, and 6-8 high pretest probability. Not a diagnosis of HIT, not the HEP score, and not an antibody result. magent does not grade platelet counts or day of onset.
——$0.005
POST/api/calc/fracture_index
Black 2001 FRACTURE Index with known total-hip T-score. Age <65 0 through >=85 5. T >= -1 0; -2 <= T < -1 2; -2.5 <= T < -2 3; T < -2.5 4. Fracture after 50, maternal hip after 50, weight <=125 lb, smoker +1 each; arms to stand +2. Max 15. 5-year hip/vertebral/nonvertebral percents from printed quintiles 1-2, 3-4, 5, 6-7, 8-13. Age 18-120; T -5.0 to 4.0. Not a device, not FRAX, not a DXA order. Postmenopausal derivation; magent does not DXA-scan or take a history.
——$0.005
POST/api/calc/framingham_chd
Wilson 1998 Framingham 10-year CHD from sex-specific total-cholesterol point sheets: age 30-74, TC, HDL, JNC-V blood pressure, diabetes, and smoking. Deterministic published arithmetic with citation. Not a statin order, not ATP-III 2001, not pooled-cohort ASCVD. magent does not measure lipids or BP.
——$0.005
POST/api/calc/framingham_hf
McKee 1971 Framingham CHF criteria. Definite if two major, or one major plus two minor, are concurrent. Nine major and seven minor caller-assigned flags. Weight loss ≥4.5 kg in 5 days in response to treatment is dual: major if that is definite, else minor if that is definite, else unused. major_count and minor_count are the fixed flags only. Not a medical device, not an echocardiographic diagnosis, and not HFrEF or HFpEF staging.
——$0.005
POST/api/calc/free_water_deficit
Free water deficit from weight, sex, and measured Na using Adrogué–Madias TBW (0.6 male / 0.5 female). Deterministic published arithmetic with citation; not a water-replacement infusion protocol.
——$0.005
POST/api/calc/friedewald
Friedewald estimated LDL-C from total cholesterol, HDL, and triglycerides. One unit system (mg/dL or mmol/L). Deterministic published equation with citation; not a diagnosis or statin order.
——$0.005
POST/api/calc/fuhrman
Fuhrman 1982 nuclear grade for renal cell carcinoma as assigned by the caller (grades 1-4). Returns the grade and the published nuclear-feature description. magent does not read slides. Not WHO/ISUP 2016. Not an RCC diagnosis. Not a medical device.
——$0.005
POST/api/calc/func_score
Rost 2008 FUNC score (0-11) after primary ICH from caller-assigned volume, age, location (lobar/deep/infratentorial), GCS, and pre-ICH cognitive impairment. Volume <30 mL scores 4, 30-60 scores 2, >60 scores 0; age <70 scores 2, 70-79 scores 1, >=80 scores 0; lobar 2, deep 1, infratentorial 0; GCS >=9 scores 2, <=8 scores 0; cognitive impairment absent scores 1. Companion to the Hemphill ICH Score, not a replacement. Not a diagnosis or withdrawal-of-care protocol. magent does not read CT.
——$0.005
POST/api/calc/g8
Bellera 2012 G8 geriatric screening tool: seven MNA items (A, B, C, E, F, H, P) plus age. Food intake 0–2, weight loss 0–3, mobility 0–2, neuropsychological 0–2, BMI 0–3, more than 3 medications 0 if true else 1, health vs peers 0/0.5/1/2, age 0–2. Total 0–17, higher is better. Score ≤14 is an impaired screen. Not a CGA, chemotherapy order, Soubeyran 2014 ONCODAGE, or VES-13. magent does not interview or weigh the patient.
——$0.005
POST/api/calc/gad_7
Spitzer 2006 GAD-7 from seven caller-assigned integers 0-3 (nervous, control worry, worry too much, relaxing, restless, irritable, afraid); magent does not interpret the items. Total 0-21. Cut points 5/10/15 (mild/moderate/severe); 0-4 is below the mild cut (minimal). Returns case_finding_ge_10 (score ≥10; paper sensitivity 89% and specificity 82% for GAD). Not a GAD diagnosis, not a treatment order, not PHQ-9, and not GAD-2.
——$0.005
POST/api/calc/gahs
Forrest 2005 Glasgow alcoholic hepatitis score from age, WBC, urea, PT ratio, and bilirubin (range 5-12) with the published ≥9 band. Deterministic published arithmetic with citation; not a steroid order.
——$0.005
POST/api/calc/galad
Johnson 2014 GALAD linear predictor from age, sex, AFP ng/mL, AFP-L3 percent, and DCP ng/mL. galad_score = -10.08 + 0.09*age + 1.67*sex + 2.34*log10(AFP) + 0.04*AFP-L3 + 1.33*log10(DCP); sex is 1 if male else 0. Returns galad_score to 2 decimals. Not an HCC diagnosis, listing protocol, probability, or Johnson 2015 ALBI. DCP is ng/mL, not mAU/mL.
——$0.005
POST/api/calc/ganzoni
Ganzoni 1970 iron deficit: weight_kg * (target_hemoglobin_g_dl - hemoglobin_g_dl) * 2.4 + iron_stores_mg. Deterministic published arithmetic with citation. Not an IV iron product dose or order; magent does not pick target Hb or depot iron, and this is not a diagnosis of iron deficiency.
——$0.005
POST/api/calc/gap_index
Ley 2012 GAP index (points) from sex (male 1), age (≤60 → 0, 61–65 → 1, >65 → 2), FVC % predicted (>75 → 0, 50–75 → 1, <50 → 2), and DLCO % predicted (>55 → 0, 36–55 → 1, ≤35 → 2; cannot perform → 3). Returns a 0–8 total and stage 1–3 (0–3 / 4–5 / 6–8). Deterministic published points with citation. Not a transplant listing and not a continuous GAP calculator.
——$0.005
POST/api/calc/garfield_af
Fox 2017 GARFIELD-AF 1-year all-cause mortality, ischaemic stroke/systemic embolism, and major bleed from age, sex, weight, pulse, diastolic BP, comorbidities, smoking, caller-assigned ethnicity (White/Caucasian reference; Hispanic/Latino, Asian, Black/Mixed/Other), oral anticoagulant class (none, NOAC, VKA), carotid occlusive disease, and antiplatelet therapy. Published 1-year equations. magent does not assign race or ethnicity. Not a diagnosis or anticoagulation order.
——$0.005
POST/api/calc/gcs
Glasgow Coma Scale from eye, verbal, and motor integers. edition=1974 (motor 1-5, max 14) or edition=1976 (motor 1-6, max 15) is required; magent does not pick one. Deterministic published score with citation; not a diagnosis.
——$0.005
POST/api/calc/gcs_pupils
GCS-Pupils (GCS-P) as caller-assigned total GCS 3-15 minus pupil reactivity score (unreactive pupils 0, 1, or 2) per Brennan 2018. Returns the index only (GCS-P range 1-15). magent does not examine pupils, assign GCS, compute eye/verbal/motor (use /api/calc/gcs), or implement Part 2 probability charts. Not a medical device and not a TBI-severity diagnosis.
——$0.005
GET/api/calc/gcs_pupils
magent
——$0.005
POST/api/calc/gds_15
Sheikh 1986 GDS-15: fifteen yes/no items as asked. Reverse-scored (false=1): satisfied_with_life, good_spirits, happy_most_of_time, wonderful_to_be_alive, full_of_energy; other ten score 1 if true. Sum 0-15. No later 0-4/5-9/10+ cutoffs. Not a diagnosis, not PHQ-9, not the 30-item GDS, not a medical device. magent does not interview.
——$0.005
POST/api/calc/gelf
GELF criteria (Brice 1997). High tumor burden in follicular lymphoma if any of eight caller-assigned items: mass >7 cm; ≥3 nodes each >3 cm; B symptoms; spleen below umbilicus; compression; serous effusion; leukemic phase; cytopenia. Any yes is high_burden. Not a treatment order, not FLIPI, not IPI, not modified GELF. magent does not measure nodes, spleen, counts, or effusions.
——$0.005
POST/api/calc/geneva_prophylaxis
Chopard 2006 Geneva score for VTE prophylaxis in acutely ill medical inpatients. Eleven 2-point factors plus eight 1-point factors including age >60. Max 30. Score <3 low; >=3 high (prophylaxis indicated). Not a diagnosis or order. Not Revised Geneva PE. Not Padua.
——$0.005
POST/api/calc/gi_gpa
Sperduto 2019 updated GI-GPA: KPS <80 = 0, 80 = 1.0, 90-100 = 2.0; age >=60 = 0, <60 = 0.5; extracranial metastases present = 0, absent = 0.5; number of brain metastases >3 = 0, 2-3 = 0.5, 1 = 1.0. Max 4.0. GPA 0-1.0 / 1.5-2.0 / 2.5-3.0 / 3.5-4.0 median survival 3, 7, 11, 17 months (abstract/KM). Not a treatment order. Not lung-molGPA. magent does not assign KPS.
——$0.005
POST/api/calc/gillmore
Gillmore 2018 NAC ATTR cardiac staging from NT-proBNP (ng/L) and caller-assigned eGFR. Stage I: NT-proBNP <=3000 and eGFR >=45. Stage III: NT-proBNP >3000 and eGFR <45. Stage II: exactly one of those two adverse cut points. Returns gillmore_stage 1/2/3. ATTRwt and ATTRv. Not Mayo AL amyloid staging. Not NYHA. Not a treatment order. magent does not compute MDRD or CKD-EPI.
——$0.005
POST/api/calc/gipss
Tefferi 2018 GIPSS for primary myelofibrosis: karyotype (favorable 0, unfavorable 1, VHR 2; caller assigns the three-tier class), absence of type 1/like CALR 1, ASXL1 1, SRSF2 1, U2AF1Q157 1 (not S34); max 6. Low 0, intermediate_1 1, intermediate_2 2, high ≥3. Published median (5-year) survivals 26.4 y (94%), 8.0 y (73%), 4.2 y (40%), 2 y (14%). Not DIPSS or MIPSS70-plus. magent does not karyotype or sequence.
——$0.005
POST/api/calc/gir
Neonatal glucose infusion rate (GIR, mg/kg/min) from the unit conversion used with AAP 2011 postnatal glucose homeostasis: GIR = (dextrose_percent x rate_ml_h) / (6 x weight_kg), or (dextrose_percent x rate_ml_kg_h) / 6. Provide rate_ml_h plus weight_kg, or rate_ml_kg_h, not both rate styles. Dextrose 2.5-25% and weight 0.4-10 kg are magent clamps, not AAP input bands. Reports GIR only. Does not order dextrose or TPN. Not a medical device.
——$0.005
POST/api/calc/glasgow_blatchford
Glasgow-Blatchford score (Blatchford 2000) for need for treatment after upper-gastrointestinal haemorrhage. Points from urea, haemoglobin (sex-specific), systolic BP, heart rate ≥100, melena, syncope, hepatic disease, and cardiac failure; max 23. Score 0 is the published low-risk screen; magent does not invent other GBS bands. Not a diagnosis, not Rockall, and not AIMS65. Urea may be mmol/L or BUN mg/dL; haemoglobin g/L or g/dL.
——$0.005
POST/api/calc/glasgow_imrie
Blamey 1984 Glasgow-Imrie eight-factor pancreatitis score: age >55, WBC >15 ×10^9/L, glucose >10 mmol/L, urea >16 mmol/L, PaO2 <60 mm Hg, calcium <2.0 mmol/L, albumin <32 g/L, LDH >600 U/L; 1 point each, max 8. Severe predicted if score ≥3. Caller-assigned flags; magent does not convert units. Not a diagnosis. Not Ranson. Transaminases omitted as in the paper.
——$0.005
POST/api/calc/gleason
Gleason 1974 prostatic adenocarcinoma score from caller-assigned primary pattern 1-5 plus secondary pattern 1-5. Score equals primary plus secondary (range 2-10). magent does not read slides. Not ISUP/Epstein 2016 Grade Groups. Not 2005 ISUP modified pattern rules. Not a diagnosis or treatment recommendation. Not a medical device.
——$0.005
POST/api/calc/gmaws
McPherson 2012 GMAWS from five caller-assigned 0-2 items (tremor, sweating, hallucination, orientation, agitation) using that paper's Figure 1 0/1/2 descriptors. magent sums only (max 10) and returns Figure 1 bands zero, 1_to_3, 4_to_8, or 9_to_10. Temperature is not an item. magent does not observe the patient. Not a benzodiazepine or treatment order.
——$0.005
POST/api/calc/go_far
Ebell 2013 GO-FAR integer score for CPC 1 after in-hospital CPR. Exclusive age (<70=0, 70-74=2, 75-79=5, 80-84=6, >=85=11) plus 12 caller-assigned flags (intact CPC 1 at admission -15; trauma 10; stroke 8; cancer 7; septicemia 7; medical noncardiac 7; hepatic 6; SNF 6; hypotension 5; renal 4; respiratory 4; pneumonia 1). Range -15 to 76. Bands: >=24 very_low, 14-23 low, -5 to 13 average, <=-6 above_average. Not GO-FAR 2. Not a DNAR order.
——$0.005
POST/api/calc/gold_copd
GOLD 2017 spirometric grade (Vogelmeier executive summary). Post-bronchodilator FEV1/FVC < 0.70 defines obstruction; then GOLD 1 if FEV1 % predicted >= 80, GOLD 2 if 50 to <80, GOLD 3 if 30 to <50, GOLD 4 if <30. Ratio >= 0.70 returns not_obstructed even when FEV1 is low. Not GOLD ABE (no mMRC, CAT, or exacerbations). magent does not perform spirometry. Not a medical device or a diagnosis.
——$0.005
POST/api/calc/gout_rule
Janssens 2010 diagnostic rule for acute gouty arthritis without joint fluid: male 2, previous arthritis attack 2, onset within 1 day 0.5, joint redness 1, MTP1 2.5, hypertension or CVD 1.5, uric acid >5.88 mg/dL or >350 µmol/L 3.5; max 13. Low ≤4, intermediate 4.5–7.5, high ≥8. uric_acid_mg_dl or uric_acid_umol_l, not both. Deterministic published score; not a gout diagnosis; magent does not examine joints or replace synovial crystal analysis.
——$0.005
POST/api/calc/gps
Forrest 2003 original Glasgow Prognostic Score (GPS) from CRP in mg/L and albumin. Elevated CRP is >10 mg/L; hypoalbuminaemia is albumin <35 g/L. Assign 1 for CRP >10 and 1 for albumin <35, then sum: GPS 0 when CRP ≤10 and albumin ≥35; GPS 1 when CRP ≤10 and albumin <35 (isolated hypoalbuminaemia) or CRP >10 and albumin ≥35; GPS 2 when CRP >10 and albumin <35. Not mGPS, not hs-mGPS, not a cancer diagnosis or treatment order. magent does not assay CRP or albumin.
——$0.005
POST/api/calc/grace
Granger 2003 in-hospital GRACE 1.0: integer nomogram points from age, heart rate, systolic BP, creatinine (mg/dL or µmol/L), Killip class 1-4, cardiac arrest, ST-segment deviation, and elevated initial enzymes. Total 1-372. In-hospital mortality percent is that paper's printed score readout. Not GRACE 2.0, not Fox 2006 6-month, not ESC 108/140 cutoffs. Not a medical device and not a cath-lab order.
——$0.005
POST/api/calc/grobman_vbac
Grobman 2007 first prenatal visit logistic probability of vaginal birth after cesarean from maternal age, prepregnancy BMI, caller-assigned ethnicity (african_american, hispanic, or other), any prior vaginal delivery, prior VBAC after cesarean, and recurrent cesarean indication. Ethnicity uses the paper terms; magent does not assign race or ethnicity. Not the 2009/2010 admission model and not Grobman 2021. Not a trial-of-labor order.
——$0.005
POST/api/calc/grogan
Grogan 2016 ATTRwt staging: 1 point when NT-proBNP >3000 ng/L; 1 point when cardiac TnT >0.05 ng/mL. Stage I = 0, II = 1, III = 2. Equal to a cutoff does not score. Cohort 4-year OS I 57% / II 42% / III 18%; stage III median 20 months (labels, not a prediction). Troponin T only. Not Gillmore NAC (no eGFR). Not Mayo AL. Not NYHA. magent does not assay the biomarkers.
——$0.005
POST/api/calc/gupta_mica
Gupta 2011 Table 2 logistic probability of 30-day myocardial infarction or cardiac arrest after surgery from age, ASA class, functional status, creatinine category (normal, abnormal >1.5 mg/dL, or missing), and surgery type (hernia reference). Returns logit and estimated_probability_percent. Not a medical device, not a diagnosis, not surgical clearance, and not RCRI. Gupta 2011 publishes no low/high cutoff.
——$0.005
POST/api/calc/gupta_pneumonia
Gupta 2013 Mayo Clin Proc logistic probability of postoperative pneumonia from age, COPD, ASA class, functional status, preoperative sepsis, smoking in the last year, and surgery type (hernia reference). Returns logit and estimated_probability_percent. Not a medical device, not a diagnosis, not an antibiotic order, and not a ventilator order. Gupta 2013 publishes no low/high cutoff and does not use race.
——$0.005
POST/api/calc/gupta_prf
Gupta 2011 Chest logistic probability of postoperative respiratory failure (mechanical ventilation >48 h after surgery or unplanned intubation within 30 days) from ASA class, functional status, preoperative sepsis, emergency case, and surgery type (hernia reference). Returns logit and estimated_probability_percent. Not a medical device, not a diagnosis, not a ventilator order, and not ARISCAT. Gupta 2011 publishes no low/high cutoff.
——$0.005
POST/api/calc/gwtg_hf
Peterson 2010 GWTG-HF Figure 2 integer points for in-hospital mortality in hospitalized heart failure: age 0-28, systolic BP 0-28, BUN 0-28, sodium 0-4, heart rate 0-8, COPD +2, caller-assigned nonblack (black=false) +3. Total 0-100. magent does not assign race. Not a diagnosis.
——$0.005
POST/api/calc/h2fpef
Reddy 2018 H2FPEF points score. Six components, max 9: BMI >30 (2), >=2 antihypertensives (1), atrial fibrillation (3), echo PASP >35 mm Hg (1), age >60 (1), E/e' >9 (1). BMI 30 and age 60 do not score. Returns score and max_score only; odds roughly double per point. Not probability classes, not the continuous nomogram, not HFA-PEFF, not a diagnosis or cath substitute. magent does not read echo or compute BMI.
——$0.005
POST/api/calc/hacor
Duan 2017 HACOR (ESM Table 2): HR ≤120 → 0, ≥121 → 1; pH ≥7.35 → 0, 7.30–7.34 → 2, 7.25–7.29 → 3, <7.25 → 4; GCS 15 → 0, 13–14 → 2, 11–12 → 5, ≤10 → 10; P/F ≥201 → 0, 176–200 → 2, 151–175 → 3, 126–150 → 4, 101–125 → 5, ≤100 → 6; RR ≤30 → 0, 31–35 → 1, 36–40 → 2, 41–45 → 3, ≥46 → 4. Max 25. Low ≤5, high >5. Not an intubation or NIV-failure order. magent does not read an ABG, GCS the patient, or a ventilator.
——$0.005
POST/api/calc/hamilton_anxiety
Hamilton 1959 HAM-A: 14 caller-assigned integers 0-4 (0 not present, 1 mild, 2 moderate, 3 severe, 4 very severe) for anxious mood, tension, fears, insomnia, intellectual, depressed mood, somatic muscular, somatic sensory, cardiovascular, respiratory, gastrointestinal, genitourinary, autonomic, and behaviour at interview. Sum 0-56. magent does not interview the patient. No total-score severity bands in Hamilton 1959; later 17/24 cutoffs are not applied. Not a diagnosis and not a medical device.
——$0.005
POST/api/calc/hamilton_depression
Hamilton 1960 17-variable depression rating (not the later 21-item form). Eight caller-assigned 0-4 items and nine 0-2 items (agitation is three-point in that paper). Sum 0-50. magent does not interview. Hamilton 1960 printed no total-score severity bands; later 0-7/8-16/17-23/>=24 cutoffs are not applied. Not a diagnosis and not a medical device.
——$0.005
POST/api/calc/haps
HAPS (Lankisch 2009). Harmless iff rebound tenderness and/or guarding is absent, hematocrit is normal, and serum creatinine is normal. The caller assigns each flag as already determined. magent does not examine the abdomen and does not measure hematocrit or creatinine. No millimetre or sex lab cutoffs. Not a medical device, not a diagnosis, and not a discharge order.
——$0.005
POST/api/calc/hark
Sohal 2007 HARK: four caller-assigned yes/no flags (humiliation, afraid, rape, kick), 1 point each, max 4. Screen-positive when score ≥1 (ROC-optimal cut-off in Sohal 2007). Deterministic published score with citation; not a diagnosis of intimate partner violence and not a medical device. magent does not interview the patient. Not HITS 1-5 scoring. Not the AAS pregnancy item (HARK removed it).
——$0.005
POST/api/calc/harvey_bradshaw
Harvey and Bradshaw 1980 simple Crohn's-disease activity index (one-day; items 1-3 previous day). Well-being 0-4, abdominal pain 0-3, liquid stools (1 point each; magent clamp 0-30), abdominal mass 0-3, plus 1 per listed complication (arthralgia, uveitis, erythema nodosum, aphthous ulcers, pyoderma gangrenosum, anal fissure, new fistula, abscess). magent sums only (max 48) and does not return later remission cutoffs. Not a Crohn's diagnosis or Best 1976 CDAI. magent does not examine the patient.
——$0.005
POST/api/calc/has_bled
HAS-BLED score from discrete clinical flags. Use for bleeding-risk arithmetic in atrial fibrillation. Deterministic published score with citation.
——$0.005
POST/api/calc/hat
HAT (Lou 2008 Neurology) for sICH after stroke thrombolysis. Diabetes or glucose >200 mg/dL (1; not additive). NIHSS <15 0, 15-20 1, >20 2. CT hypodensity none 0, <1/3 MCA 1, >1/3 MCA 2 (no equals-1/3). Max 5. Collective sICH 2/5/10/15/44% for scores 0/1/2/3/>3. Glucose in mg/dL (mmol × 18). Not a tPA withhold. magent does not assign NIHSS or read CT.
——$0.005
POST/api/calc/hcc_ld
Citterio 2016 JAMA Surgery hierarchic classes for liver decompensation after HCC resection from caller-assigned portal_hypertension, major_hepatectomy, and meld (integer 6-40). High if PHT and major (LD 60.0%, liver-related mortality 25.0%). Low if no PHT, minor, and MELD ≤ 9 (LD 4.9%, mortality 4.4%). Else intermediate (LD 28.6%, mortality 9.0%). magent does not compute MELD or HVPG. Not a surgical indication, transplant listing, or medical device.
——$0.005
POST/api/calc/hcm_risk_scd
O'Mahony 2014 HCM Risk-SCD: 5-year SCD probability from wall thickness, LA diameter, LVOT gradient, family history of SCD, NSVT, unexplained syncope, and age. Returns prognostic_index, five_year_scd_risk_percent, and 4%/6% risk_band (lower / intermediate / higher). Not an ICD or device order. Not a medical device.
——$0.005
POST/api/calc/hct_ci
Sorror 2005 HCT-specific comorbidity index. Seventeen caller-assigned comorbidities with published weights 1, 2, or 3 (max 26). Pulmonary moderate vs severe and hepatic mild vs moderate/severe are mutually exclusive. Risk groups: 0 low, 1–2 intermediate, ≥3 high. Caller supplies the published category; magent does not interpret PFTs or echo and does not list for transplant. Not Charlson. Not a diagnosis. Not a medical device.
——$0.005
POST/api/calc/he_macs
Alghamdi 2019 HE-MACS ACS probability from age, sex, caller-assigned observed sweating, acute ECG ischaemia, right-arm or shoulder radiation, vomiting, hypotension (SBP <100), and current smoking. Table 2 printed coefficients. Returns probability only; four-group ROC thresholds are in that paper's supplement and are not restated here. magent does not interpret ECG or take a history. Not MACS (Body 2014 biomarkers) or T-MACS. Not a diagnosis.
——$0.005
POST/api/calc/heads_ed
Cappelli 2012 HEADS-ED from seven caller-assigned 0-2 domains (Home, Education, Activities/peers, Drugs/alcohol, Suicidality, Emotions/behavior, Discharge resources). 0 no action needed, 1 needs action but not immediately, 2 needs immediate action. magent sums only (max 14) and does not interview a child. No labeled high-risk band. Not a medical device or psychiatric admission order.
——$0.005
POST/api/calc/hear
HEAR score for emergency chest pain from age and caller-assigned history, ECG, and risk factors (each 0-2, max 8). No troponin. Smith 2020 very-low-risk group is scores 0 and 1 (MACE ~0.9% in that paper). Deterministic published score with citation; not a diagnosis or discharge protocol. magent does not interpret history, count risk factors, or read an ECG.
——$0.005
POST/api/calc/heart
HEART score for emergency chest pain from age and caller-assigned history, ECG, risk factors, and troponin (each 0-2, max 10). Bands 0-3, 4-6, and 7-10 from Six 2008. Deterministic published score with citation; not a diagnosis or discharge protocol. magent does not read an ECG.
——$0.005
POST/api/calc/heart_pathway
Mahler 2015 HEART Pathway for emergency chest pain. early_discharge_candidate is true only when the caller-assigned HEART score is 0-3 and both 0-hour and 3-hour troponin flags are not elevated (above the 99th percentile). HEART items are not assigned here. magent does not read an ECG or assay a troponin. Does not order a stress test or angiogram. High-risk features do not mandate a test. Not a medical device and not a diagnosis.
——$0.005
POST/api/calc/heaven
Davis 2017 HEAVEN criteria from six caller-assigned flags: hypoxemia (SpO2 ≤93% at initial laryngoscopy as assigned), extremes of size (pediatric ≤8 years or clinical obesity as assigned), anatomic challenges, vomit/blood/fluid, exsanguination, and limited neck mobility. high_risk iff any is true; criteria_met is the count of true flags (0-6); low_risk iff none. Not an intubation order. magent does not measure SpO2 or examine the airway. Not Mallampati, not EGRI.
——$0.005
POST/api/calc/hemorr2hages
Gage 2006 HEMORR2HAGES (NRAF) AF major-bleed score: prior bleed 2; hepatic or renal, ethanol, malignancy, age >75, reduced platelet count or function, uncontrolled hypertension, anemia, genetic factors, excessive fall risk, and stroke each 1. Max 12. Warfarin major bleed per 100 patient-years: 0→1.9, 1→2.5, 2→5.3, 3→8.4, 4→10.4, ≥5→12.3. Not a medical device. Not a decision to start or stop anticoagulation. Not HAS-BLED, ORBIT, or ATRIA.
——$0.005
POST/api/calc/hep
Cuker 2010 HEP score: eight features with signed weights (range -16 to 19). Magnitude of platelet fall, typical- or rapid-onset timing, nadir, thrombosis (at most one), SQ heparin skin necrosis, IV-bolus systemic reaction, bleeding, and other causes (select all; no other cause +3). Cutoff 2 was 100% sensitive / 60% specific vs the expert panel. Not a HIT diagnosis or 4Ts score. magent does not assay SRA or ELISA.
——$0.005
POST/api/calc/herdoo2
Rodger 2008 HERDOO2 after a first unprovoked VTE. Score 1 each for hyperpigmentation, edema, or redness in either leg; D-dimer ≥250 μg/L while on anticoagulants; BMI ≥30; age ≥65 (equality scores). Max 4. low_risk is true only for women with score ≤1. Men have no low-risk subgroup in the derivation. Not a medical device and not a duration-of-anticoagulation order.
——$0.005
POST/api/calc/hestia
Hestia criteria (Zondag 2011). Outpatient PE is eligible only when none of 11 caller-assigned exclusions hold: hemodynamic instability, thrombolysis or embolectomy, high bleeding risk, oxygen >24 h, PE on anticoagulation, IV pain medication >24 h, medical or social admission, CrCl <30, severe liver impairment, pregnancy, or documented HIT. Any yes excludes home treatment. Not a diagnosis, not PESI, not sPESI.
——$0.005
POST/api/calc/hfa_icos_anthracycline
Lyon 2020 HFA-ICOS baseline cardiovascular risk before anthracycline chemotherapy. Returns risk_level low, medium, high, or very_high from published Very high, High, Medium 2, and Medium 1 factors, plus medium_points and the paper's expert-opinion cardiotoxicity_guide. Age and LVEF use the highest matching printed band only. Caller assigns labs and BMI >30. magent does not examine the patient or read imaging. Not a medical device or treatment order.
——$0.005
POST/api/calc/hfa_icos_bcr_abl
Lyon 2020 HFA-ICOS baseline cardiovascular risk before second- or third-generation multi-targeted kinase inhibitors for CML targeting BCR-ABL. Class is very_high, high, medium, or low from published very-high and high factors plus Medium 1/2 points (0–1 low, 2–4 medium, ≥5 high). Caller assigns the 10-year CVD >20% threshold; magent does not compute that score. Not a medical device or treatment order.
——$0.005
POST/api/calc/hfa_icos_her2
Lyon 2020 HFA-ICOS baseline cardiovascular risk before HER2-targeted therapy (trastuzumab and related agents). Very high, high, medium, or low from published factors plus Medium 1/2 points; expert-opinion cardiotoxicity guide <2% / 2-9% / 10-19% / >=20%. Concurrent anthracycline is High; sequential anthracycline before HER2 is Medium 1. Deterministic published classification with citation; not a treatment order. magent does not measure LVEF or biomarkers.
——$0.005
POST/api/calc/hfa_icos_myeloma
Lyon 2020 HFA-ICOS baseline CV risk before proteasome inhibitors and immunomodulatory drugs for multiple myeloma. Returns risk_level low, medium, high, or very_high plus medium_points and the paper's expert-opinion cardiotoxicity_guide. Age >=75 is High; 65-74 is Medium 1. Caller assigns labs, BMI >30, and high-dose dexamethasone. magent does not examine the patient or read imaging. Not a medical device or treatment order.
——$0.005
POST/api/calc/hfa_icos_raf_mek
Lyon 2020 HFA-ICOS baseline CV risk before combination RAF and MEK inhibitors. Very high if heart failure or cardiomyopathy; High if MI/CABG, stable angina, severe valvular disease, prior anthracycline, or ≥5 medium points; Medium if 2-4 medium points; Low if 0-1. Age ≥65 is Medium 1 only. LVEF 50-54 is Medium 2; this table has no printed LVEF <50 High row. Expert-opinion cardiotoxicity guide <2% / 2-9% / 10-19% / ≥20%. Not a treatment order.
——$0.005
POST/api/calc/hfa_icos_vegf
Lyon 2020 HFA-ICOS baseline CV risk before VEGF inhibitors or VEGF TKIs. Very high if heart failure/cardiomyopathy or arterial vascular disease. High if venous thrombosis, LVEF <50%, QTc >=480 ms, age >=75, hypertension, prior anthracycline, or >=5 medium points. Medium if 2-4 medium points. Guide <2% / 2-9% / 10-19% / >=20%. Not a device or treatment order.
——$0.005
POST/api/calc/hiet
High-dose insulin euglycemia therapy (HIET) from Engebretsen 2011: 1 U/kg insulin bolus, then a 1-10 U/kg/h continuous infusion. Weight in kg or lb. Not a prescription. Used in beta-blocker or calcium-channel-blocker cardiogenic shock. magent does not titrate, choose dextrose, or add DigiFab, glucagon, or calcium. Deterministic published arithmetic with citation.
——$0.005
POST/api/calc/hii
Hack 2014 H-Impairment Index (HII). Five caller-assigned bedside tasks (gross motor, mentation and speech, tracing curve, nystagmus, finger-to-nose), each integer 0-4. HII is completed-sum / (4 × completed tasks); denominator 20 if all five; range 0-1. Omit a task that was not attempted. Serial decline is not modeled. Does not take blood alcohol concentration. Not a diagnosis, discharge order, or legal sobriety test. magent does not examine the patient.
——$0.005
POST/api/calc/hints
Kattah 2009 three-step HINTS (Head-Impulse, Nystagmus, Test-of-Skew) for patients already in acute vestibular syndrome (AVS). Three caller-assigned flags: head_impulse_normal, direction_changing_nystagmus, and skew_deviation. dangerous is true if any flag is true (INFARCT: Impulse Normal, Fast-phase Alternating, Refixation on Cover Test). benign iff none. Not HINTS-plus (hearing). Not a stroke diagnosis or a substitute for neuroimaging. magent does not examine the patient.
——$0.005
POST/api/calc/hiri_msm
magent
——$0.005
GET/api/calc/hiri_msm
Smith 2012 seven-item HIV incidence risk index for MSM. Age 18-28=8, 29-40=5, 41-48=2, >=49=0; male partners 0-5=0, 6-10=4, >=11=7; HIV-positive partners 0=0, 1=4, >=2=8; unprotected receptive anal 0=0, >=1=10; insertive anal with HIV-positive partner 0-4=0, >=5=6; poppers 3; amphetamines 5. Range 0-47; at_or_above_10 when score >=10. Caller-assigned. Not a diagnosis or PrEP order.
——$0.005
POST/api/calc/hits
Sherin 1998 HITS from four caller-assigned integers 1-5 (hurt, insult, threaten, scream; never=1 to frequently=5). magent does not interview the patient or interpret the items. Sum 4-20. Screen-positive when score ≥10. Deterministic published score with citation; not a diagnosis of intimate partner violence and not a medical device.
——$0.005
POST/api/calc/ho_index
Ho 2004 day-3 IV-steroid score for severe UC (0–9): mean stools (<4 → 0; 4 ≤ x < 6 → 1; 6 ≤ x ≤ 9 → 2; x > 9 → 4), caller-assigned colonic dilatation (+4), albumin <30 g/L (+1; 30 is not low). Failure: 0–1 → 11%, 2–3 → 43%, ≥4 → 85% (ROC ≥4). Not Travis, not Truelove and Witts, not a colectomy order. magent does not count stools, read films, or measure albumin.
——$0.005
POST/api/calc/homa_ir
HOMA-IR as (fasting glucose in mmol/L × insulin in µU/mL) / 22.5 (Matthews et al. 1985). Provide glucose_mg_dl (50–1000) or glucose_mmol_l (2.8–55.5), not both; mg/dL converts as mmol/L = mg/dL / 18. Returns the approximation rounded to two decimals. Not HOMA-B, not the HOMA2 computer model, not a diabetes diagnosis, and not an insulin-resistance cutoff.
——$0.005
POST/api/calc/hope
Pasquier 2018 HOPE survival probability after ECLS for hypothermic cardiac arrest from sex (published male coefficient, not race), asphyxia, age, potassium, CPR duration, and temperature. Returns logit, estimated_survival_percent from the unrounded logit, and Table 2 HOPE >= 10% flag. Not an ECLS or rewarming order. magent does not cannulate.
——$0.005
POST/api/calc/hospital
HOSPITAL (Donze 2013 JAMA Intern Med acronym table): hemoglobin_lt_12 (last Hb <12 g/dL) 1; oncology_service 2; sodium_lt_135 (last Na <135 mmol/L) 1; procedure (any ICD-coded procedure during the stay) 1; urgent_or_emergent_admission 1; admissions_12mo 0-1→0, 2-5→2, >5→5; los_ge_5_days 2. Max 13. Bands 0-4 low, 5-6 intermediate, >=7 high for potentially avoidable 30-day readmission (SQLape), not all-cause. Flags and counts are caller-assigned. Not a discharge order or diagnosis.
——$0.005
POST/api/calc/hscore
Fardet 2014 HScore (Table 4; max 337) from nine caller-assigned items: immunosuppression 18, temperature 0/33/49, organomegaly 0/23/38, cytopenia lineages 0/24/34 (1/2/3), ferritin 0/35/50, triglycerides 0/44/64, fibrinogen 0/30, SGOT 0/19, marrow hemophagocytosis 35. Best cutoff 169. magent does not take raw labs; all nine required. Not HLH-2004. Not a diagnosis. Not a medical device.
——$0.005
POST/api/calc/hunt_hess
Hunt and Hess 1968 SAH surgical-risk grade from a caller-assigned grade 1-5. Serious systemic disease (as assigned by the caller) places the patient in the next less favorable category, capped at 5. Deterministic published grade with citation. Not a diagnosis; not WFNS; not Hunt-Kosnik 1974 grade 0/1a.
——$0.005
POST/api/calc/hypoglycemia_risk_score
Karter 2017 Figure 2 T2D 12-month hypoglycemia-related ED/hospital-use risk from prior_hypo_ed_hospital_count (0-20), ed_visits_12mo (0-50), insulin, sulfonylurea, severe_or_esrd (dialysis or CKD 4-5, eGFR <=29), and age_lt_77. First-match 6 options: >=3 prior or 1-2 plus insulin = high (>5%); remaining rows intermediate (1-5%) or low (<1%). Not a points sum. magent does not assay glucose. Not a diagnosis. Not an insulin dose.
——$0.005
POST/api/calc/i_see
Dellon 2022 I-SEE Table I: symptoms 0/1/2/4, food_impaction 0/2/4, stacking complications (hospitalization 4, perforation 15, malnutrition 15, persistent_inflammation 15), inflam endoscopy 0-2, peak eos 0-2, fibro endoscopy 0/1/2/15, histologic fibrosis 2. Max 78. Bands <1 inactive, 1-6 mild, 7-14 moderate, ≥15 severe. magent does not perform endoscopy or count eos. Not EREFS. Not a diagnosis.
——$0.005
POST/api/calc/ibw_devine
Devine ideal body weight and 0.4 adjusted body weight from height, sex, and actual weight. Deterministic published formula with citation; not a dosing recommendation.
——$0.005
POST/api/calc/icc_pmf
ICC 2022 prefibrotic and overt PMF (Arber 2022). Diagnosed iff 3 majors and ≥1 minor. Majors: megakaryocyte morphology, not another myeloid neoplasm, JAK2/CALR/MPL or other clone or no reactive fibrosis. Minors: anemia not from comorbidity, WBC ≥11e9/L, splenomegaly, LDH above ULN; leukoerythroblastosis counts only in overt PMF. Not DIPSS, MIPSS70, WHO 5th, or post-PV/post-ET MF. magent does not read fibrosis grade or sequence drivers. Not a diagnosis or medical device.
——$0.005
POST/api/calc/icc_sm
ICC 2022 systemic mastocytosis (Arber 2022). Met when major infiltrates (≥15 tryptase- and/or CD117-positive MCs in aggregates in BM or extracutaneous organ) alone, or ≥3 minors. Minors: >25% spindle or atypical immature morphology, KIT D816V or other activating KIT mutation, CD25/CD2/CD30, tryptase >20 ng/mL (not counted in SM-AMN). Not a diagnosis. Not Valent 2016 WHO SM. Not WHO 5th/Khoury. Not cutaneous mastocytosis only. magent does not read a biopsy or assay tryptase.
——$0.005
POST/api/calc/ice
Lee 2019 Immune Effector Cell-Associated Encephalopathy (ICE) points: orientation 0-4 (year, month, city, hospital), naming 0-3 (three objects), following commands 1, writing 1, attention 1 (count backward from 100 by tens); total 0-10. Caller-assigned; magent does not perform the exam. Not ASTCT ICANS grading. Deterministic published arithmetic with citation; not a medical device.
——$0.005
POST/api/calc/ich_score
Hemphill 2001 ICH Score from caller-assigned GCS, age, infratentorial origin, ICH volume (mL), and IVH; max 6. GCS 3-4 scores 2, 5-12 scores 1, 13-15 scores 0; age ≥80, volume ≥30 mL, infratentorial origin, and IVH score 1 each. Deterministic published score with citation; not a diagnosis or withdrawal-of-care protocol. magent does not read CT. Not FUNC and not ICH-GS.
——$0.005
POST/api/calc/idf_dar
Hassanein 2021 IDF-DAR fasting risk table: type 1 scores 1; duration ≥10 scores 1; hypoglycemia 0/1/3.5/5.5/6.5; HbA1c band 0/1/2; treatment 0/0.5/1/1.5/2/2.5/3; SMBG 0/1/2; DKA/HONC 0/1/2/3; MVD 0/2/6.5; eGFR band 0/2/4/6.5; pregnancy 0/3.5/6.5; frailty 0/3.5/6.5; labour 0/2/4; prior negative Ramadan 1; fasting ≥16 h 1. Low 0–3, moderate 3.5–6, high >6. Caller-assigned; not a fasting order or insulin dose.
——$0.005
POST/api/calc/ie_mortality
Park 2016 ICE Table 5 simplified 6-month IE mortality score: constant 4, age bands (<=45: 0; 46-60: 2; 61-70: 3; >70: 4), and caller-assigned flags (dialysis +3, nosocomial +2, prosthetic +1, symptoms >1 month -1, S. aureus +1, viridans -2, aortic/mitral vegetation +1 each, NYHA 3-4 +3, stroke +2, paravalvular +2, persistent bacteremia +2, surgery -2). Returns score, quadratic mortality percent, and score >= 8. Not a diagnosis. magent does not examine the patient or decide surgery.
——$0.005
POST/api/calc/igan_predict
Barbour 2019 race-free full IgAN model: 5-year risk of 50% eGFR decline or ESKD from age, eGFR, MAP, proteinuria g/day, Oxford MEST, RAS blockade, and immunosuppression at biopsy. Risk = 1 - S0(60)^exp(LP) with eTable 3 coefficients. Caller supplies eGFR; magent does not compute CKD-EPI or score the biopsy. Not the race/ethnicity model. Not KFRE. Not a diagnosis or treatment order. Not a medical device.
——$0.005
POST/api/calc/imdc
Heng 2009 IMDC: KPS <80, diagnosis-to-treatment <1 year, hemoglobin <LLN, corrected calcium >ULN, neutrophils >ULN, platelets >ULN; 1 point each, max 6. Favorable 0, intermediate 1–2, poor ≥3. Deterministic published score with citation; not an RCC diagnosis or treatment recommendation. magent does not assign KPS or compare Hb, Ca, ANC, or platelets to institutional LLN/ULN.
——$0.005
POST/api/calc/impact
Steyerberg 2008 IMPACT prognostic score for 6-month mortality and unfavorable outcome after traumatic brain injury. model=core (age, motor, pupils), extended (plus hypoxia, hypotension, Marshall CT, tSAH, EDH), or lab (plus glucose mmol/L and Hb g/dL). Points and printed logistic LPs from that paper. Not a diagnosis, not MRC CRASH (Perel 2008), and not magent chemotherapy CRASH.
——$0.005
POST/api/calc/impede_vte
Sanfilippo 2019 IMPEDE VTE for multiple myeloma: IMiD 4, BMI>=25 1, pelvic/hip/femur fracture 4, ESA 1, doxorubicin 3, dexamethasone none/low/high 0/2/4 (high if monthly >160 mg), Asian/Pacific Islander -3 (caller-assigned), VTE history 5, tunneled line 2, thromboprophylaxis none/prophylactic/therapeutic 0/-3/-4. Unclamped. <=3 low 3.3%, 4-7 intermediate 8.3%, >=8 high 15.2%. Not a prophylaxis order. Not SAVED or Khorana.
——$0.005
POST/api/calc/improve_bleed
Decousus 2011 IMPROVE admission bleeding-risk score: ulcer 4.5, prior bleeding 4, platelets <50 4, age >=85 3.5, hepatic failure 2.5, severe renal failure 2.5, ICU/CCU 2.5, CVC 2, rheumatic disease 2, current cancer 2, age 40-84 1.5, male 1, moderate renal failure 1. Max 30.5. Increased risk at >=7. Not a VTE-prophylaxis order. magent does not examine the patient.
——$0.005
POST/api/calc/improve_vte
Spyropoulos 2011 7-factor associative IMPROVE VTE score during hospitalization: previous VTE 3, known thrombophilia 2, lower-limb paralysis 2, current cancer 2, immobilized >=7 days 1, ICU/CCU stay 1, age >60 1. Max 12. Bands: 0-1; 2-3 (observed VTE 1.5%); >=4 (observed VTE 5.7%). Not a VTE diagnosis or prophylaxis order. Not the 4-factor admission predictive model. Not IMPROVEDD. magent does not examine the patient.
——$0.005
POST/api/calc/improvedd
Gibson 2017 IMPROVEDD VTE score: Spyropoulos 2011 7-factor IMPROVE items (previous VTE 3, known thrombophilia 2, lower-limb paralysis 2, current cancer 2, immobilized >=7 days 1, ICU/CCU 1, age >60 1) plus 2 if caller-assigned D-dimer >=2x ULN. Max 14. low 0-1 vs high >=2 (heightened VTE through 77 days when >=2). Not a VTE diagnosis or prophylaxis order. Not the 4-factor admission model. Not Padua or Caprini. magent does not assay D-dimer.
——$0.005
POST/api/calc/imwg_myeloma
IMWG 2014 myeloma requiring therapy (Rajkumar 2014). Met when clonal BMPC ≥10% or biopsy-proven plasmacytoma plus ≥1 MDE: hypercalcemia, renal insufficiency, anemia, osteolytic lesion (CRAB), or BMPC ≥60%, involved:uninvolved FLC ratio ≥100 with involved FLC ≥100 mg/L, or >1 focal MRI lesion ≥5 mm (SLiM). Not a diagnosis. Not smouldering MM, MGUS, POEMS, or amyloid. Not Greipp ISS or R-ISS. magent does not assay calcium, creatinine, hemoglobin, or FLC, and does not read MRI.
——$0.005
POST/api/calc/imwg_response
Kumar 2016 IMWG measurable serum+urine M-protein response. First-match PD, sCR, CR, VGPR, PR, MR, or SD from caller-assigned flags. sCR is CR plus normal FLC ratio and no clonal BM cells by IHC. CR is negative serum and urine IFE, no plasmacytomas, and BMPC <5%. VGPR is electrophoresis-negative or ≥90% serum M-protein reduction with urine M-protein <100 mg/24 h. Not a diagnosis. Not MRD. Not FLC-only. magent does not assay labs.
——$0.005
POST/api/calc/infant_scalp
Greenes 2001 infant scalp score: age points (0-2 months → 3; 3-5 → 2; 6-11 → 1; 12-24 months → 0) plus caller-assigned hematoma size (0 none, 1 small, 2 medium, 3 large) and location (0 frontal, 1 occipital, 2 temporal/parietal). Total 0-8. magent does not examine the scalp, measure the hematoma, or decide CT. Does not apply later ≥4 clinically important TBI cuts.
——$0.005
POST/api/calc/interchest
Aerts 2017 INTERCHEST: six equally weighted predictors for CAD in primary-care chest pain (age ≥55 male or ≥65 female +1; physician suspected serious +1; history of CAD +1; pain on exertion +1; pressure quality +1; pain reproducible on palpation −1). Range −1 to 5. CAD considered absent iff score <2. Published CAD probability 2.1% (95% CI 1.1–3.9) when <2 and 43.0% (35.8–50.4) when ≥2 in the 13.2% prevalence setting. Not HEART, not EDACS. magent does not examine the chest.
——$0.005
POST/api/calc/intrauterine_rbc
Mandelbrot 1988 intrauterine RBC transfusion volume: fetoplacental_volume_ml = 1.046 + estimated_fetal_weight_g * 0.14; volume_ml uses the unrounded fetoplacental volume times (hct_final_percent - hct_initial_percent) / hct_donor_percent. Hematocrit arm only; the paper also allowed platelet count — magent does not implement platelets. Caller-assigned estimated fetal weight; magent does not estimate weight from biometry. Not a medical device or transfusion order.
——$0.005
POST/api/calc/iota
Timmerman 2008 simple ultrasound rules. Caller assigns five M-rules (irregular solid tumor; ascites; ≥4 papillary structures; irregular multilocular-solid ≥100 mm; very high color Doppler) and five B-rules (unilocular cyst; solid component <7 mm; acoustic shadows; smooth multilocular <100 mm; no Doppler flow). Malignant if any M and no B; benign if any B and no M; otherwise inconclusive. magent does not read ultrasound. Not an ovarian-cancer diagnosis. Not RMI. Not Swede. Not SRRisk.
——$0.005
POST/api/calc/ipi
Shipp 1993 IPI for aggressive non-Hodgkin lymphoma: age >60, Ann Arbor III or IV, extranodal sites >1, ECOG ≥2, LDH > ULN; 1 point each, max 5. Low 0–1, low_intermediate 2, high_intermediate 3, high 4–5. Deterministic published score with citation; not a lymphoma diagnosis or treatment choice; not age-adjusted IPI, not R-IPI, not NCCN-IPI. magent does not assay LDH.
——$0.005
POST/api/calc/ips_e
Condoluci 2020 IPS-E for asymptomatic early-stage chronic lymphocytic leukemia: unmutated IGHV 1, ALC >15 ×10^9/L 1, palpable lymph nodes 1; max 3. Low 0, intermediate 1, high 2–3. Time-to-first-treatment score, not a treatment start order; not CLL-IPI, Rai, or Binet. magent does not assay IGHV, count lymphocytes, or palpate nodes.
——$0.005
POST/api/calc/ipss_r
Greenberg 2012 IPSS-R for MDS: cytogenetics (very_good 0, good 1, intermediate 2, poor 3, very_poor 4; caller assigns the Schanz subgroup), BM blasts, hemoglobin g/dL, platelets, and ANC; max 10. very_low ≤1.5 through very_high >6. Deterministic published score with citation; not a diagnosis or transplant listing; not IPSS 1997 or IPSS-M. magent does not karyotype.
——$0.005
POST/api/calc/irae_colitis
Brahmer 2018 ASCO Table 2.1 irAE colitis grade from stools_over_baseline (0-40) and four caller-assigned flags. First-match: grade 4 if life_threatening; else 3 if stools >= 7 or incontinence or hospitalization_indicated or limiting_self_care; else 2 if stools >= 4; else 1. Returns icpi_action continue, hold, hold_consider_discontinue_ctla4, or permanently_discontinue. Ostomy-output bands not implemented. magent does not count stools. Not a medical device, not a diagnosis, not a steroid dose.
——$0.005
POST/api/calc/irae_diabetes
Brahmer 2018 ASCO Table 4.4 irAE diabetes from glucose_mg_dl (50-1000, mg/dL only) plus caller ketosis, t1dm, severe_unable_adl, and life_threatening. First-match: G4 if life_threatening or glucose >500; else G3 if severe_unable_adl or glucose >250; else G2 if ketosis or t1dm or glucose >160; else G1 if glucose >99; else G0. ICI continue (0-1), hold_until_control (2), hold_admit (3-4). Not DKA diagnostic criteria. magent does not assay glucose. Not a diagnosis. Not an insulin dose.
——$0.005
POST/api/calc/irae_hepatitis
ASCO 2018 (Brahmer) immune-related hepatitis grade from caller AST, ALT, and total bilirubin as folds of laboratory ULN (mg/dL only). Lab grade is the max of transaminase and bilirubin Table 2.2 bands; decompensated liver upgrades to grade 4; symptomatic compensated liver dysfunction upgrades to grade 3. ICI action: continue (0-1), hold (2), or permanently discontinue (3-4). Not a medical device, not a diagnosis, not DILI/RUCAM, not R factor, not a steroid dose; magent does not assay enzymes.
——$0.005
POST/api/calc/irae_hypothyroidism
Brahmer 2018 ASCO Table 4.1.1 irAE primary hypothyroidism grade from tsh_miu_l (0.01-150 mIU/L) and three caller-assigned flags. First-match: grade 3 if severe_or_life_threatening or unable_to_perform_adl (paper G3-4 as grade 3); else 2 if moderate_symptoms or TSH >= 10; else 1 if TSH < 10. Returns icpi_action continue (grade 1) or hold_until_baseline (grade 2 or 3). Not hyperthyroidism (Table 4.1.2). magent does not assay TSH/FT4. Not a medical device, not a diagnosis, not a levothyroxine dose.
——$0.005
POST/api/calc/irae_nephritis
ASCO 2018 (Brahmer) irAE nephritis grade from creatinine vs baseline (mg/dL). First-match: 4 if dialysis or life-threatening; 3 if fold >3, creatinine >=4.0, or hospitalization; 2 if fold >2; 1 if fold >=1.5 or delta >=0.3; else 0. ICI action continue (0), consider_hold (1), hold (2), permanently_discontinue (3-4). Not a medical device, not a diagnosis, not KDIGO/AKIN, not a steroid dose; magent does not assay creatinine.
——$0.005
POST/api/calc/irae_pneumonitis
Brahmer 2018 ASCO Table 3.1 irAE pneumonitis. First-match: G4 life-threatening respiratory compromise; else G3 hospitalization, oxygen, limiting self-care, or all lobes/>50%; else G2 symptomatic, >1 lobe, 25-50% parenchyma, or limiting instrumental ADL; else G1. ICPi: hold_if_radiographic_progression (G1), hold (G2), permanently_discontinue (G3-4). Caller-assigned flags. magent does not read CT or pulse oximetry. Not SITC 2021, not a CTCAE instrument, not a diagnosis, not a steroid dose.
——$0.005
POST/api/calc/iss
Injury Severity Score (Baker 1974): ISS is the sum of squares of the three highest caller-assigned AIS body-region grades (head, face, chest, abdomen, extremity, external; each 0-6). Any AIS 6 (unsurvivable) is ISS 75. Deterministic published arithmetic with citation; not a triage order and not NISS (which squares the three worst injuries regardless of region).
——$0.005
POST/api/calc/isth_bat
Rodeghiero 2010 ISTH/SSC bleeding assessment tool (BAT). Fourteen caller-assigned Table S1 symptom integers (0-4; cns_bleeding 0, 3, or 4 only). magent sums only (max 56) and does not take the bleeding history. This 2010 letter did not identify an abnormal bleeding score; magent does not apply later Elbatarny 2014 / WFH ≥4 male / ≥6 female / ≥3 child cutoffs. Not a VWD diagnosis and not a medical device.
——$0.005
POST/api/calc/isth_dic
Taylor 2001 ISTH SSC overt DIC (four lab items; max 8). Platelets >=100=0, 50-<100=1, <50=2. fibrin_related_marker none/moderate/strong = 0/2/3 (caller-assigned; magent does not grade D-dimer). PT sec above ULN <3=0, >=3 and <6=1, >=6=2. Fibrinogen >=1.0 g/L=0, <1.0=1 (XOR g/L or mg/dL÷100). Band <5 not compatible with overt DIC; >=5 compatible. Not a diagnosis. Not the non-overt serial score.
——$0.005
POST/api/calc/itas2010
Misra 2013 ITAS2010: weighted sum of 44 caller-assigned Takayasu clinical-activity items that are new or worsening within 3 months and ascribed to active vasculitis. Seven items score 2 (diastolic hypertension, stroke, bruits, pulse inequality, pulse loss, claudication, carotidodynia); the other 37 score 1. Max 51. active_disease iff score ≥ 2. magent does not examine the patient. Not ITAS-A, not a diagnosis, and not a medical device.
——$0.005
POST/api/calc/iv_drip
INS gravity drip rate: gtt/min = (volume_ml × drop_factor_gtt_ml) / time_min, rounded half away from zero to an integer. Drop factor 10, 15, or 20 gtt/mL macrodrip or 60 gtt/mL microdrip. Also reports mL/hour. Not a pump program, drug order, or device. Deterministic published arithmetic with citation.
——$0.005
POST/api/calc/ivt_contraindications
Powers 2018 Table 6 Class III Harm IVT. contraindicated iff any of 15 caller flags: CT ICH; recent ischemic stroke, severe head trauma, or intracranial/spinal surgery; posttraumatic infarction; history of ICH; SAH presentation; GI malignancy or bleed 21d; coagulopathy; LMWH 24h; DOAC not cleared; GP IIb/IIIa; infective endocarditis; aortic arch dissection; intra-axial neoplasm. Not Class I eligibility, time window, or a dose. magent does not read CT or assay labs. Not a treatment order.
——$0.005
POST/api/calc/iwg2_ad
Dubois 2014 IWG-2 typical AD research criteria. typical_ad iff early hippocampal-type episodic memory, no better explanation, and in-vivo AD pathology (CSF Abeta1-42 plus T-tau or P-tau, amyloid PET, or a PSEN1/PSEN2/APP mutation). Typical AD only; not atypical phenotypes. Not NINCDS-ADRDA, not NIA-AA ATN, not DSM. magent does not examine the patient, assay CSF, or read PET. Not a diagnosis or medical device.
——$0.005
POST/api/calc/jones
Gewitz 2015 AHA Jones criteria (Table 7). jones_arf iff evidence_of_preceding_gas and the episode rule: initial 2 major or 1 major plus 2 minor; recurrent also allows 3 minor. Majors/minors follow population_risk for arthritis vs arthralgia, fever, and ESR/CRP. Prolonged PR does not count with carditis. Joints count in major or minor, not both. magent does not examine the patient or read an echocardiogram. Not Jones 1944. Not a diagnosis. Not a medical device.
——$0.005
POST/api/calc/karnofsky
Karnofsky 1949 Performance Status: caller-assigned integer 10, 20, 30, 40, 50, 60, 70, 80, 90, or 100 (normal; minor signs or symptoms; normal activity with effort; cares for self; occasional assistance; considerable assistance and frequent medical care; disabled; severely disabled; very sick, hospitalization necessary; moribund). Grade 0 (dead) is not scored. Returns score, max 100, and a stable label. Not a performance-status assignment and not ECOG; magent does not observe the patient.
——$0.005
POST/api/calc/kasymjanova
Kasymjanova 2010 prognostic index for advanced NSCLC from caller-supplied CRP in mg/L and WBC in ×10^9/L. CRP is elevated if crp_mg_l > 10 (10 is not elevated). WBC is elevated if wbc_10e9_l > 11 (11 is not elevated). PI 0 if neither marker is elevated, PI 1 if exactly one is elevated, PI 2 if both are elevated. Not Glasgow Prognostic Score, not mGPS (McMillan), not a cancer diagnosis, and not a chemotherapy order. magent does not assay CRP or WBC.
——$0.005
POST/api/calc/katz
Katz 1963 Index of Independence in Activities of Daily Living: six caller-assigned independence flags (bathing, dressing, toileting, transferring, continence, feeding). Each independent function scores 1; max 6. magent sums the published 0–6 count and does not observe the patient. Not the Barthel Index, not Katz letter grades A–G, and not a rehab order or placement decision. Not a medical device.
——$0.005
POST/api/calc/kawasaki
AHA 2017 classic/complete Kawasaki disease (McCrindle). Complete when fever_days >= 4 and at least 4 of 5 principal features are true (oral mucosal changes, bilateral conjunctival injection, rash, extremity changes, cervical lymphadenopathy). Does not implement the incomplete-KD lab/echo algorithm or the 3-day clinician exception. magent does not examine the patient or read an echocardiogram. Not a medical device and not a diagnosis.
——$0.005
POST/api/calc/kdigo_aki
KDIGO 2012 Table 2 AKI stage 0-3 from baseline and current creatinine in mg/dL and a caller-assigned urine-output category. Stage is the worse of the two limbs; RRT or a caller pediatric eGFR <35 flag is stage 3. magent does not assay creatinine, measure urine, collect weight, or compute eGFR (no MDRD). Not a medical device, not a diagnosis, not AKIN 2007, and not RIFLE.
——$0.005
POST/api/calc/kegfr
Chen 2013 kinetic eGFR (KeGFR) from two plasma creatinines, hours between them, caller-assigned steady-state creatinine and corresponding eGFR/CrCl, and required max_delta_pcr_mg_dl_day (Chen usual default 1.5). KeGFR = (SSPCr * CrCl / MeanPCr) * (1 - 24*dPCr / (dTime_hours * MaxdPCr/Day)), clamped at 0 when that (1 - ratio) term is negative. Creatinine mg/dL only. Not a CKD-EPI result. Not a dialysis prescription. magent does not compute MDRD or CKD-EPI.
——$0.005
POST/api/calc/kfre
Tangri 2011 4-variable Kidney Failure Risk Equation: 2- and 5-year risk of dialysis or transplant from age, male, eGFR, and urine ACR (mg/g). Risk = 1 - S0^exp(LP) with that paper's 4-variable coefficients. Caller supplies eGFR; magent does not compute CKD-EPI or assay ACR. Not the 8-variable model, not Tangri 2016 country S0, no race. Not a dialysis or transplant order. Not a medical device.
——$0.005
POST/api/calc/khorana
Khorana 2008 Blood predictive model for chemotherapy-associated thrombosis: very_high site (stomach or pancreas) 2, high (lung, lymphoma, gynecologic, bladder, testicular) 1, other 0; platelets >=350 1; hemoglobin <10 g/dL or ESA 1 (once); WBC >11 x10^9/L 1; BMI>=35 caller flag 1. Max 6. 0 low; 1-2 intermediate; >=3 high. Not a diagnosis. Not Padua or Caprini. Caller assigns cancer site; magent does not compute BMI.
——$0.005
POST/api/calc/killip
Killip and Kimball 1967 myocardial-infarction heart-failure class 1-4 as assigned by the caller. Returns the published class, description (no heart failure; S3 and basilar rales; pulmonary edema; cardiogenic shock), and 1967 CCU hospital mortality (6%, 17%, 38%, 81%). Not a diagnosis; magent does not examine the patient. Not GRACE or contemporary registry mortality.
——$0.005
POST/api/calc/kim_meldna
Kim 2008 NEJM MELD-Na from creatinine, bilirubin, INR, sodium, and dialysis. Then-current UNOS MELD: dialysis sets creatinine 4.0 else clamp 1.0-4.0; bilirubin and INR floor 1.0. Sodium bound 125-140. MELDNa = MELD - Na - 0.025*MELD*(140-Na) + 140. Not OPTN 2016 MELD-Na (Na 125-137 only if MELD>11). Not Kim 2021 MELD 3.0. Not a transplant listing or allocation order.
——$0.005
POST/api/calc/kings_college
King's College criteria (O'Grady 1989) for poor prognosis in fulminant hepatic failure. Acetaminophen: arterial pH <7.30, or PT >100 s plus creatinine >300 umol/L plus grade III/IV encephalopathy. Non-acetaminophen: PT >100 s, or any 3 of age <11 or >40, unfavorable etiology (non-A non-B or drug reaction), jaundice-to-encephalopathy >7 days, bilirubin >300 umol/L, PT >50 s. PT seconds, not INR. Not a transplant listing order.
——$0.005
POST/api/calc/kocher
Kocher 1999 four predictors for children with irritable hip: history of fever (oral temperature >38.5 C), non-weight-bearing, ESR >=40 mm/h, and serum WBC >12000/uL; 1 point each, max 4. Returns published predicted probability of septic arthritis vs transient synovitis. Deterministic published score with citation; not a diagnosis, not Caird CRP, not adults, and not an aspiration order.
——$0.005
POST/api/calc/kruis
Kruis 1984 weighted IBS versus organic score. History: pain/flatulence/irregularity triad +34, duration >2 years +16, characteristic pain descriptors +23, alternating constipation/diarrhea +14. Organic flags: abnormal physical or pathognomonic history -47, ESR >10 mm/h -13, leukocytosis -50, anemia -98, blood in stool -98. IBS iff score >= 44. Caller assigns flags. magent does not examine the patient or run labs. Not a diagnosis, not Manning, not Rome.
——$0.005
POST/api/calc/kt_v
Daugirdas 1993 second-generation single-pool variable-volume Kt/V. Kt/V = -ln(R - 0.008 * t) + (4 - 3.5 * R) * UF / W, with R = post_bun_mg_dl / pre_bun_mg_dl. Numeric Kt/V to 2 decimals. Not a dialysis prescription, not equilibrated eKt/V, not stdKt/V, and not a urea-reduction-ratio tool. magent does not assign KDOQI or other adequacy targets.
——$0.005
POST/api/calc/la_grading
Lundell 1999 Table 1 Los Angeles classification. Caller-assigned flags. none if no mucosal break (not minimal changes); D if break(s) involve ≥75% of circumference; C if continuous between fold tops but <75%; B if longest break >5 mm not between fold tops; A if ≤5 mm not between fold tops. magent does not interpret images. Not Savary-Miller, GERD diagnosis, Barrett/stricture, or 1994 LA (D was fully circumferential). Not a medical device.
——$0.005
POST/api/calc/lace
LACE (van Walraven 2010 CMAJ Table 3) from length of stay in days (<1 0; 1 1; 2 2; 3 3; 4-6 4; 7-13 5; >=14 7), acute (emergent) admission (true 3), caller-supplied Charlson comorbidity index (0-3 identity; >=4 5), and ED visits in the previous 6 months (0-3 identity; >=4 4). Score 0-19 only; no unpublished high-risk class. Not a discharge order. magent does not compute Charlson.
——$0.005
POST/api/calc/lams
Llanes 2004 Los Angeles Motor Scale (LAMS): facial droop 0 absent / 1 present + arm drift 0 absent / 1 drifts down / 2 falls rapidly + grip 0 normal / 1 weak / 2 no grip. Max 5. Point values assigned to LAPSS motor items. Deterministic published arithmetic with citation; not NIHSS, not a stroke diagnosis or thrombolysis order. magent does not examine the patient.
——$0.005
POST/api/calc/lansky
Lansky 1987 Play-Performance Scale: caller-assigned integer 0, 10, 20, 30, 40, 50, 60, 70, 80, 90, or 100 from parent-rated play over the past week (fully active; minor physical restriction; tires more quickly; restricted play; quieter activities; lying around, quiet play; mostly in bed; bedbound; often sleeping; no play; unresponsive). Grade 0 is scored. Returns score, max 100, and a stable label. Not a performance-status assignment, not Karnofsky, not ECOG; magent does not observe the child.
——$0.005
POST/api/calc/leibovich_2018
Leibovich 2018 histology-specific RCC models after surgery. Required histology clear_cell, papillary, or chromophobe. ccRCC PFS points (2010 TNM): t1a/t1b/t2a 0, t2b 2, t3a-t3c 3, t4 4; nx/n0 0, n1 2; size ≥10 cm 1; grade 1-2 0, 3 1, 4 3; necrosis 2; max 12; risk low 0-2, intermediate 3-5, high ≥6. Papillary and chromophobe return the 2018 three PFS groups (score 0-2). Not SSIGN. Not Leibovich 2003. magent does not stage or read pathology. Not a diagnosis. Not a medical device.
——$0.005
POST/api/calc/leiden_arthritis
van der Helm-van Mil 2007 Leiden prediction rule for recent-onset undifferentiated arthritis (Figure 1 / Table 2). Age × 0.02, female 1, small joints 0.5, symmetric 0.5, upper 1 or upper-and-lower 1.5, 100-mm morning-stiffness VAS 0/1/2, tender and swollen counts 0/0.5/1, CRP mg/L 0/0.5/1.5, RF 1, anti-CCP 2. Round to nearest 0.0 or 0.5. Bands ≤6 low, >6 and <8 indeterminate, ≥8 high. Not a diagnosis of RA. magent does not examine joints or assay serologies.
——$0.005
POST/api/calc/lent
Clive 2014 LENT score for malignant pleural effusion: pleural LDH IU/L (<1500 → 0, >1500 → 1), ECOG 0-4 (0→0, 1→1, 2→2, 3-4→3), serum NLR as a number (<9 → 0, >9 → 1), tumour type (mesothelioma/haematological 0; breast/gynaecological/renal_cell 1; lung/other 2). Score 0-7: 0-1 low, 2-4 moderate, 5-7 high. Equality at 1500 or 9 is not scored. Not a diagnosis or treatment order.
——$0.005
POST/api/calc/levothyroxine_dose
Adult levothyroxine (LT4) full-replacement estimate: daily_lt4_mcg = weight_kg * 1.6 (ATA 2014). Weight in kg or lb. Not a prescription, TSH titration, pediatric or pregnancy-specific dose, or tablet strength. Lean-body-mass adjustment may apply; elderly and cardiac patients often start lower. Deterministic published arithmetic with citation.
——$0.005
POST/api/calc/licurse
Licurse 2010 AKI hydronephrosis points: history of hydronephrosis +4; nonblack (black=false) +1; recurrent UTI +1; obstruction-consistent diagnosis (mass, BPH, pelvic surgery, or neurogenic bladder) +1; absence of inpatient nephrotoxins, CHF, and prerenal AKI (pressor or sepsis) +1 each. Score 0-10. 2010 split only: <=2 low (HN 3.1%, HNRI 0.4%), >=3 higher (HN 15.7%, HNRI 4.7%). Not an imaging order. magent does not assign race or perform ultrasound.
——$0.005
POST/api/calc/lights
Light 1972 pleural fluid criteria: exudate if protein ratio > 0.5, LDH ratio > 0.6, or pleural LDH > two-thirds the laboratory LDH ULN. ULN is required; magent does not assume 200 U/L. Strictly greater than those cutoffs. Deterministic published arithmetic with citation; not a diagnosis of cause, not Heffner's abbreviated criteria, and not a chest x-ray interpretation.
——$0.005
POST/api/calc/lille
Lille model (Louvet 2007) from age, albumin, bilirubin at day 0 and day 7, creatinine, and PT seconds or INR. formula=pt or formula=inr is required; magent does not swap them. Score 0-1 with the published 0.45 cutoff. Deterministic published arithmetic with citation; not a medical device or a steroid order.
——$0.005
POST/api/calc/lips
Gajic 2011 lung injury prediction score (Table 3): caller-assigned predisposing conditions, at most one high-risk surgery type plus emergency add-on, stacking trauma items, and risk modifiers including diabetes -1 only with sepsis. Score is a number; published observed range 0-15.5. Band low if <4, high if >=4 (ROC cutoff). Not an ARDS diagnosis. magent does not examine the patient or read imaging.
——$0.005
POST/api/calc/liu_respiratory
Liu 2004 respiratory clinical score: four caller-assigned 0-3 domains — respiratory_rate (age-banded Table 1 ordinal, not raw breaths/min), retractions, dyspnea, and auscultation. magent sums only (max 12) and does not count breaths or auscultate. Score only; Liu 2004 does not print mild/moderate/severe total-score cutoffs. Not a diagnosis or treatment order. Not PRAM. Not Westley 1978 croup.
——$0.005
POST/api/calc/lrinec
LRINEC (Wong 2004): CRP ≥150 mg/L (4), WBC k/µL (<15 0, 15–25 1, >25 2), hemoglobin g/dL (>13.5 0, 11–13.5 1, <11 2), sodium <135 mmol/L (2), creatinine >141 µmol/L (2), glucose >10 mmol/L (1); max 13; cutoff ≥6. Deterministic published laboratory score with citation; not a diagnosis of necrotizing fasciitis and not an operative decision. A score below cutoff does not exclude disease.
——$0.005
POST/api/calc/macocha
De Jong 2013 MACOCHA from seven caller-assigned flags: Mallampati III or IV (5), OSA (2), reduced cervical mobility (1), mouth opening <3 cm (1), coma (1), SpO2 <80% (1), non-anesthesiologist (1). Total 0-12 (0 easy, 12 very difficult); high_risk at >=3. Not an intubation order. magent does not examine the airway, compute GCS, or measure SpO2.
——$0.005
POST/api/calc/macs
Body 2014 MACS ACS probability from caller-assigned ECG ischaemia, worsening angina, right-arm radiation, vomiting, observed sweating, hypotension (SBP <100), Roche hs-cTnT ng/L, and ELISA H-FABP ng/mL. Table 2 rounded coefficients. Bands p<0.02 very_low, 0.02<=p<0.05 low, 0.05<=p<0.95 moderate, p>=0.95 high. magent does not interpret ECG or assay biomarkers. Not T-MACS, HEART, or EDACS. Not a diagnosis.
——$0.005
POST/api/calc/maddrey
Maddrey discriminant function (1978) from patient and control prothrombin time in seconds plus bilirubin. Deterministic published formula with citation; not a diagnosis or steroid order.
——$0.005
POST/api/calc/madrs
Montgomery 1979 MADRS: ten caller-assigned integers 0-6 (apparent sadness, reported sadness, inner tension, reduced sleep, reduced appetite, concentration difficulties, lassitude, inability to feel, pessimistic thoughts, suicidal thoughts). Sum 0-60. magent does not interview. Montgomery 1979 printed no total-score severity bands; later 0-6/7-19/20-34/35-60 cutoffs are not applied. Not a diagnosis, not Hamilton 1960, not PHQ-9, and not a medical device.
——$0.005
POST/api/calc/maggic
Pocock 2013 MAGGIC integer score from 13 heart-failure predictors (age, EF, NYHA, creatinine, diabetes, not prescribed beta-blocker, SBP, BMI, HF duration >18 months, current smoker, COPD, male sex, not prescribed ACEI/ARB), including the published age×EF and SBP×EF extras. Returns integer score and Table 4 1-year and 3-year death probabilities for scores 0-50. Not a diagnosis, not a treatment order, not a reason to withhold therapy. magent does not examine the patient.
——$0.005
POST/api/calc/maintenance_fluids
Holliday–Segar 1957 daily maintenance water from weight: 100 mL/kg for the first 10 kg, 50 mL/kg for the next 10 kg, 20 mL/kg thereafter. Returns daily and hourly milliliters. Deterministic published arithmetic with citation; not a treatment order or IV prescription.
——$0.005
POST/api/calc/mallampati
Samsoon 1987 modified Mallampati: caller-assigned integer class 1-4 (I: soft palate, fauces, uvula, pillars; II: soft palate, fauces, uvula; III: soft palate, base of uvula; IV: soft palate not visible). Returns score, max 4, and a stable class label. Not original Mallampati 1985 three-class and not a Cormack-Lehane grade; magent does not look in the mouth or assign an intubation order.
——$0.005
POST/api/calc/malt_ipi
Thieblemont 2017 MALT-IPI (IELSG-19): age ≥70, Ann Arbor III or IV, LDH > ULN; 1 point each, max 3. Low 0, intermediate 1, high ≥2. Deterministic published score with citation; not a lymphoma diagnosis or treatment choice; original MALT-IPI, not Revised MALT-IPI (no MMS; age is ≥70 not >60), not Shipp IPI. magent does not stage lymphoma or assay LDH.
——$0.005
POST/api/calc/manchester
Cerny 1987 Manchester score for small-cell lung cancer: LDH above laboratory ULN, sodium <132 mmol/L, ALP >1.5×ULN, bicarbonate <24 mmol/L, Karnofsky <60, extensive stage; 1 point each, max 6. Good 0–1, intermediate 2–3, poor ≥4. Deterministic published score with citation; not a diagnosis; not the BRCA Manchester score. magent does not stage the cancer, assay labs, or assign Karnofsky performance status.
——$0.005
POST/api/calc/manning
Manning 1978 IBS symptoms. Six caller-assigned flags, 1 each, max 6: visible abdominal distension, pain relief with bowel movement, more frequent stools at pain onset, looser stools at pain onset, rectal mucus, incomplete evacuation. Score is the count of true flags (0-6). More symptoms made IBS more likely; no published cutoff. Count only. Not a diagnosis, not Rome III/IV. magent does not examine the patient.
——$0.005
POST/api/calc/map
Mean arterial pressure from cuff systolic and diastolic BP using diastolic + pulse pressure / 3. Conventional 1/3 estimate, not an invasive aortic mean. Deterministic published arithmetic with citation; not a treatment target.
——$0.005
POST/api/calc/mapi
Guilbert 2004 mAPI (PEAK Table I). Positive if 4+ wheeze episodes in one year (one MD-diagnosed) plus 1+ major or 2+ minor. Majors: parental asthma, MD atopic dermatitis, aeroallergen sensitization. Minors: milk/egg/peanut sensitization, wheezing unrelated to colds, eosinophils ≥4%. Not original API. Not m²API. Not an asthma diagnosis. magent does not examine the child. Not a medical device.
——$0.005
POST/api/calc/maps
Pardanani 2018 MAPS hybrid clinical-molecular (Figure 3): advanced SM 2 (ASM, SM-AHN, or MCL; ISM/SSM 0), age >60 1, platelets <150×10^9/L 1, ALP above UNL 1, ASXL1/RUNX1/NRAS 1; max 6. Low ≤2, intermediate-1 3, intermediate-2 4, high ≥5. Not WHO SM, not ICC SM, not clinical-only Figure 1. magent does not sequence, assay ALP, or count platelets.
——$0.005
POST/api/calc/mars
Jawhar 2019 mutation-adjusted risk score (MARS) for advanced systemic mastocytosis: age >60 (1), hemoglobin <10 g/dL (1), platelets <100×10^9/L (1), exactly one S/A/R mutation among SRSF2, ASXL1, RUNX1 (1) or two or more (2, not both). Max 5. Low 0–1 (training-set median OS not reached), intermediate 2 (3.9 y), high 3–5 (1.9 y). Not WHO SM criteria. magent does not sequence or assay labs.
——$0.005
POST/api/calc/martin_ldl
Martin 2013 estimated LDL-C from total cholesterol, HDL, and triglycerides in mg/dL. Adjustable TG:VLDL-C factor from the published 180-cell table by non-HDL-C and TG strata. Not Friedewald factor 5, not Sampson, not a diagnosis or statin order.
——$0.005
POST/api/calc/mascc
MASCC risk index from Klastersky 2000: one burden-of-illness value (none_or_mild 5, moderate 3, severe 0) plus no hypotension (5), no COPD (4), solid tumor or hematologic malignancy without previous fungal infection (4), outpatient (3), no dehydration (3), and age <60 (2). Max 26; low-risk ≥21. Deterministic published arithmetic with citation; not an outpatient-chemotherapy order; magent does not read a blood pressure.
——$0.005
POST/api/calc/mayo_spn
Swensen 1997 Mayo Clinic logistic probability of malignancy for a 4-30 mm radiologically indeterminate solitary pulmonary nodule. Inputs: age, current or former smoking, extrathoracic cancer diagnosed ≥5 years before the nodule, largest diameter in mm, caller-assigned spiculation, and caller-assigned upper-lobe location. Returns logit x and P = e^x / (1 + e^x). magent does not read the film. Not Gould 2007, not Brock, not a diagnosis, not a biopsy order, and not a medical device.
——$0.005
POST/api/calc/mayo_uc
Schroeder 1987 ulcerative colitis disease-activity index (Mayo DAI): four caller-assigned integers 0-3 (stool frequency, rectal bleeding, endoscopy, physician global). magent sums only (max 12) and does not return later remission or activity-band cutoffs. magent does not count stools, examine the patient, or perform endoscopy. Not a diagnosis and not the Mayo SPN pulmonary-nodule model.
——$0.005
POST/api/calc/mbig
Khan 2020 modified Brain Injury Guidelines (mBIG), not original Joseph 2014 BIG. First-match worst-wins tier 3 then 2 then 1 from caller-assigned GCS, focal or pupillary abnormality, anticoagulant or antiplatelet excluding aspirin alone, EtOH >80 mg/dL, skull fracture, SDH mm, IPH mm and multiple IPH, SAH pattern and mm, any EDH, and IVH. Any EDH is mBIG 3. magent does not read CT. Adults with mild TBI and traumatic ICH. Not a diagnosis or neurosurgical plan. Not a medical device.
——$0.005
POST/api/calc/mcdonald_2017
2017 McDonald typical CIS (Thompson 2018). mcdonald_ms iff typical_cis and no_better_explanation and: ≥2 attacks with ≥2 lesions; or ≥2 attacks with one lesion plus DIS; or CIS with ≥2 lesions plus MRI DIT or CSF-specific OCB; or CIS with one lesion plus DIS and MRI DIT or CSF-specific OCB. 2017: OCB may substitute for DIT when DIS is met. Symptomatic and cortical lesions count. Not PPMS. Not 2010 McDonald. magent does not read MRI or CSF. Not a diagnosis. Not a medical device.
——$0.005
POST/api/calc/mcdonald_2024
2024 McDonald typical CIS (Montalban 2025). mcdonald_ms iff typical_cis and no_better_explanation and: ≥2 attacks with ≥2 lesions; or ≥2 attacks with one lesion plus DIS; or CIS with ≥2 lesions plus MRI DIT, OCB, or kappa FLC; or CIS with one lesion plus DIS and MRI DIT, OCB, or kappa FLC. DIS = ≥2 of 5 topographies (optic nerve added). Kappa FLC interchangeable with OCB. Not 2017 McDonald. Not PPMS. Not RIS. magent does not read MRI or assay CSF. Not a diagnosis. Not a medical device.
——$0.005
POST/api/calc/mcmahon
McMahon 2013 Table 3 rhabdomyolysis score: age ≤50→0, >50–≤70→1.5, >70–≤80→2.5, >80→3; female 1; Cr <1.4→0, 1.4–2.2→1.5, >2.2→3; Ca <7.5→2; CPK >40000→2; origin not seizure/syncope/exercise/statin/myositis→3; PO4 <4.0→0, 4.0–5.4→1.5, >5.4→3; HCO3 <19→2. Max 19. Caller-supplied labs and origin. Numeric total only; not a dialysis order.
——$0.005
POST/api/calc/mdi
Bech 2001 MDI: 12 caller-assigned integers 0-5 (at no time to all the time, last 2 weeks) covering 10 ICD-10/DSM-IV depression symptoms. Psychomotor (restless vs subdued) and appetite (reduced vs increased) each add the max of the pair, not the sum. Total 0-50. This paper's optimal total-score cutoff is 26. magent does not interview, apply Olsen 2003 HAM-D mapped bands, DSM-IV/ICD-10 algorithms, PHQ-9, QIDS, or Hamilton depression. Not a diagnosis.
——$0.005
POST/api/calc/mdq
Hirschfeld 2000 Mood Disorder Questionnaire (MDQ): thirteen caller-assigned yes/no lifetime manic/hypomanic items, 1 point each, max 13. Positive screen requires score ≥7 AND same_period AND moderate_or_serious_problem (that paper: sensitivity 0.73 and specificity 0.90 in a psychiatric outpatient sample). Not a bipolar diagnosis, not a medical device, and not Hirschfeld 2003 general-population cutoff tweaks. magent does not interview the patient.
——$0.005
POST/api/calc/mdrd
IDMS 4-variable MDRD eGFR (Levey 2006) from standardized creatinine, adult age, sex, and caller-assigned Black. magent does not assign race. Deterministic published formula with citation; not CKD-EPI 2021 and not a dosing recommendation.
——$0.005
POST/api/calc/medped
Williams 1993 US MEDPED total cholesterol cutoffs by age and relative degree (first, second, third, or general population). Meets the published criterion iff total cholesterol in mg/dL is greater than the table cutoff (mmol/L converted as mg/dL = mmol/L * 38.67). Total cholesterol only; not Dutch Lipid Clinic or Simon Broome. Not a medical device and not a diagnosis of familial hypercholesterolemia.
——$0.005
POST/api/calc/mehran
Mehran 2004 contrast-induced nephropathy risk score after PCI (eGFR model B). Points from hypotension, IABP, CHF, age >75, anemia, diabetes, contrast volume (1 per 100 mL), and caller eGFR. Returns integer score (max 41), risk group (low ≤5 through very_high ≥16), and development-set CIN percent. Not a CKD diagnosis; magent does not measure contrast or compute eGFR.
——$0.005
POST/api/calc/mekhail
Mekhail 2005 Motzer extension: KPS <80, LDH >1.5x ULN, hemoglobin <LLN, corrected calcium >10 mg/dL, prior radiotherapy, >=2 metastatic sites; 1 point each, max 6. Favorable 0-1, intermediate 2, poor >=3. Not Motzer 1999 0 / 1-2 / >=3. Not Motzer 2002 time-to-treatment. Mekhail dropped no-prior-nephrectomy. Deterministic published score with citation; not an RCC diagnosis or treatment recommendation; not IMDC. magent does not assign KPS, assay LDH, hemoglobin, or calcium, or image metastases.
——$0.005
POST/api/calc/meld
Kamath 2001 model for end-stage liver disease (MELD) from creatinine, bilirubin, INR, and etiology. meld = round(3.8*ln(bilirubin_mg_dL) + 11.2*ln(INR) + 9.6*ln(creatinine_mg_dL) + 6.4*etiology). etiology is 0 if cholestatic or alcoholic, else 1. Does not floor labs at 1.0 and does not include dialysis (later UNOS/OPTN). Not MELD-Na. Not a transplant listing or allocation order.
——$0.005
POST/api/calc/meld_3
Kim 2021 MELD 3.0 from sex, bilirubin, INR, creatinine, sodium, albumin, and dialysis. meld_3 = round(1.33*(female) + 4.56*ln(bilirubin) + 0.82*(137-Na) - 0.24*(137-Na)*ln(bilirubin) + 9.09*ln(INR) + 11.14*ln(creatinine) + 1.85*(3.5-albumin) - 1.83*(3.5-albumin)*ln(creatinine) + 6). Creatinine 1.0-3.0 (dialysis 3.0); bilirubin and INR floor 1.0; sodium 125-137; albumin 1.5-3.5. Not original MELD or MELD-Na. Not a transplant listing or allocation order.
——$0.005
POST/api/calc/meld_na
OPTN/UNOS 2016 MELD-Na from creatinine, bilirubin, INR, sodium, and dialysis. Deterministic published score with citation; not a listing recommendation.
——$0.005
POST/api/calc/mentzer
Mentzer index as MCV in fL divided by RBC count in millions per µL (Mentzer 1973 Lancet letter). Quotient <13 favors β-thalassaemia trait; >13 favors iron deficiency; 13 is indeterminate. Deterministic published arithmetic with citation. Not a diagnosis of thalassemia or iron deficiency; magent does not apply later cutoffs that are not in that letter.
——$0.005
POST/api/calc/menza
Menza 2009 HIV-acquisition score for MSM. Four caller-assigned flags: meth or poppers in the prior 6 months (11), current or prior bacterial STI (4), ≥10 male partners in the prior year (3), unprotected anal intercourse with a positive- or unknown-status partner in the prior year (1). Max 19. Integer score only; no named strata or PrEP cutoff. Not a diagnosis, PrEP order, or test-and-treat protocol. Not HIRI-MSM or SexPro. magent does not take a sexual history.
——$0.005
POST/api/calc/mess
Johansen 1990 Mangled Extremity Severity Score (MESS): caller-assigned skeletal/soft-tissue energy 1-4, limb ischemia 1-3 (doubled if ischemia time >6 hours), shock 0-2, and age points (<30 → 0, 30-50 → 1, >50 → 2). Max 14. MESS ≥7 predicted amputation with 100% accuracy in that series (mess_band 0-6 or >=7). Deterministic published arithmetic with citation. Not an amputation or limb-salvage protocol; magent does not examine the limb. Not later papers' cutoff of 8.
——$0.005
POST/api/calc/metroticket_2
Mazzaferro 2018 Metroticket 2.0 AFP-adjusted-to-HCC-size 70% 5-year HCC-specific survival criteria. meets_70pct_hcc_specific_survival is true iff AFP <200 ng/mL and tumor_count + largest_cm <=7, or 200<=AFP<400 and sum <=5, or 400<=AFP<=1000 and sum <=4. AFP >1000 never meets. Not Milan, UCSF, Metroticket 1.0 contours, or competing-risk survival percents. magent does not interpret imaging or assay AFP. Not a medical device or transplant listing.
——$0.005
POST/api/calc/mets_ir
Bello-Chavolla 2018 METS-IR: ln(2×glucose_mg_dl + triglycerides_mg_dl)×BMI / ln(HDL_mg_dl), natural log, two decimals. Supply glucose, triglycerides, and HDL each as exactly one of mg/dL or mmol/L (glucose ×18, TG ×88.57, HDL ×38.67). BMI is caller-supplied (10–80). highest_quartile_t2d is true only when METS-IR > 50.39 (derivation highest T2D-risk quartile). Not a diabetes diagnosis, not HOMA-IR/HOMA2, and not a treatment threshold.
——$0.005
POST/api/calc/mews
MEWS from Subbe 2001 Table 1: systolic BP, heart rate, respiratory rate, temperature (°C), and caller-assigned AVPU (alert/voice/pain/unresponsive) summed to a 0–14 total. Returns score_ge_5 because scores ≥5 were associated with increased risk of death or ICU/HDU. Deterministic published arithmetic with citation; not NEWS2; not an ICU-admission order.
——$0.005
POST/api/calc/mg_adl
Wolfe 1999 myasthenia gravis activities of daily living (MG-ADL) profile: eight caller-assigned integers 0-3 (talking, chewing, swallowing, breathing, brush_comb, arise_chair, double_vision, eyelid_droop), summed 0-24. magent does not examine the patient. Wolfe 1999 correlated MG-ADL with QMG; that is not a conversion. Not QMG, not MGFA class. Score and max_score only; no severity band. Not a medical device.
——$0.005
POST/api/calc/mgfa
Jaretzki 2000 MGFA Clinical Classification (Table 1). Caller-assigned class I, IIa, IIb, IIIa, IIIb, IVa, IVb, or V with the published description. Class V is intubation except routine postoperative management. A feeding tube without intubation is class IVb. Not QMG, not MG-ADL, not Osserman, and not an outcome measure (QMG is separate). magent does not examine the patient. Not a medical device.
——$0.005
POST/api/calc/mgps
McMillan 2007 modified Glasgow Prognostic Score (mGPS) from CRP in mg/L and albumin. Elevated CRP is >10 mg/L; hypoalbuminaemia is albumin <35 g/L. mGPS 0 when CRP ≤10 (albumin ignored, including isolated hypoalbuminaemia); mGPS 1 when CRP >10 and albumin ≥35; mGPS 2 when CRP >10 and albumin <35. Not original GPS, not hs-mGPS, not a cancer diagnosis or treatment order. magent does not assay CRP or albumin.
——$0.005
POST/api/calc/mhs
Marburg Heart Score (Bösner 2010 Table 3): five 1-point determinants (age/sex, known vascular disease, patient assumes cardiac origin, pain worse with exercise, pain not reproducible by palpation), max 5. Returns the published discrimination cut-off: positive (3-5) or negative (<=2). Primary-care chest-pain rule only; not an ED ACS rule-out, diagnosis, or admission order. magent does not interview the patient.
——$0.005
POST/api/calc/michigan_picc
Chopra 2017 Michigan Risk Score for PICC-associated thrombosis: another CVC at PICC placement 1, WBC >12 x10^9/L 1 (12.0 does not score), active cancer 2, PICC lumens single 0 / double 2 / triple 3 (triple includes quad), VTE history never 0 / remote 2 / within 30 days 3 (one field; do not add remote and recent). Max 10. Classes I=0 (observed 0.9%), II=1-2 (1.6%), III=3-4 (2.7%), IV=>4 (4.7% Table 4). Not a PICC order. magent does not count lumens.
——$0.005
POST/api/calc/midas
Stewart 1999 MIDAS from five caller-assigned 3-month day counts: missed paid work/school, work/school ≥50% reduced, missed household work, household ≥50% reduced, missed family/social/leisure. Each 0-90; total 0-450. magent does not include questions A or B and does not assign or de-duplicate days. Grades I 0-5 little/minimal, II 6-10 mild, III 11-20 moderate, IV ≥21 severe. Not a migraine diagnosis, not a triptan/prophylaxis order, not GAD-7 or PHQ-9.
——$0.005
POST/api/calc/milan
Mazzaferro 1996 Milan criteria for small HCC in cirrhosis: meets_milan is true iff there is no preoperative vascular invasion, no extrahepatic or lymph-node disease, and either one tumor 5 cm or less or two to three nodules each 3 cm or less. Four or more nodules fail. tumor_count and largest_cm are caller-assigned; magent does not interpret imaging. Not a medical device, not a transplant listing, and not UCSF criteria.
——$0.005
POST/api/calc/miller_esr
Adult maximum normal erythrocyte sedimentation rate (mm/h, 98th percentile approximation) from age and sex (Miller 1983). Men: age/2. Women: (age + 10)/2. Deterministic published arithmetic with citation. Returns the threshold only; not a diagnosis, not a measured ESR, and not Wener 2000 CRP. magent does not measure ESR.
——$0.005
POST/api/calc/mipi
Hoster 2008 simplified MIPI for advanced-stage mantle cell lymphoma: age (<50 0, 50–59 1, 60–69 2, ≥70 3), ECOG (0–1 0, 2–4 2), LDH/ULN (<0.67 0, 0.67–<1 1, 1–<1.5 2, ≥1.5 3), WBC ×10^9/L (<6.7 0, 6.7–<10 1, 10–<15 2, ≥15 3); max 11. Low 0–3, intermediate 4–5, high 6–11. Deterministic published score with citation; not a lymphoma diagnosis; not continuous MIPI; not MIPI-c. magent does not assay LDH or WBC.
——$0.005
POST/api/calc/mipss70
Guglielmelli 2018 MIPSS70 for transplant-age PMF: Hb <10 g/dL (1), leukocytes >25×10^9/L (2), platelets <100×10^9/L (2), blasts ≥2% (1), fibrosis ≥2 (1), symptoms (1), no type 1/like CALR (1), HMR category (1), ≥2 HMR (2); max 12. Low 0–1, intermediate 2–4, high ≥5. Italian-cohort median (5-year) OS 27.7 y (95%), 7.1 y (70%), 2.3 y (29%). Not MIPSS70-plus or version 2.0. magent does not sequence or grade marrow.
——$0.005
POST/api/calc/mirels
Mirels 1989 impending pathologic fracture score. Site upper 1 / lower 2 / peritrochanteric 3. Size lt_one_third 1 / one_to_two_thirds 2 / gt_two_thirds 3. Nature blastic 1 / mixed 2 / lytic 3. Pain mild 1 / moderate 2 / functional 3 (not severe). Sum 4-12. Bands le_7 (<=7), 8, ge_9 (>=9). Not an operative order. Not SINS. magent does not read radiographs. Not a medical device.
——$0.005
POST/api/calc/mme
CDC 2022 morphine milligram equivalents from a published opioid key and dose (mg/day, or mcg/hr for fentanyl_transdermal). Estimates only; do not use MME to convert one opioid to another. Not a taper protocol or OUD dosing tool.
——$0.005
POST/api/calc/mminds
DeCarolis 2007 MINDS (Minnesota Detoxification Scale) 0-46: pulse and diastolic BP lt_90/90_to_110/gt_110 → 0/1/2; tremor and sweat 0/2/4/6; hallucinations 0-3; agitation 0/3/6/9; orientation 0/2/4/6 (intubated 0); delusions and seizures 6 if true. magent publishes those DeCarolis 2007 weights, not a RASS modification, and does not examine the patient. Not a benzodiazepine order.
——$0.005
POST/api/calc/mmrc
Mahler 1988 modified Medical Research Council (mMRC) dyspnea grade 0-4 as assigned by the caller. Returns the grade, score (same as grade), max 4, and published wording (breathless only with strenuous exercise through too breathless to leave the house or breathless when dressing). Not GOLD ABE groups, not a BODE index, and not Bestall MRC grades 1-5. magent does not examine the patient.
——$0.005
POST/api/calc/mnihss
Meyer/Lyden 2001 modified NIH Stroke Scale (mNIHSS): eleven caller-assigned NINDS-style integers. Drops LOC, facial palsy, limb ataxia, and dysarthria; collapses sensory to 0 = normal or 1 = abnormal; keeps left/right motor arm and leg (each 0-4). Sum 0-31. magent does not examine the patient. No total-score severity bands in Meyer 2001; later website cutoffs are not applied. Not Brott 1989 NIHSS, not a tPA order, not a diagnosis, and not a medical device.
——$0.005
POST/api/calc/modified_fisher
Frontera 2006 modified Fisher CT grades 0-4 for subarachnoid hemorrhage as assigned from CT by the caller. Returns the published grade and description (0 no SAH or IVH; 1 focal or diffuse thin SAH, no IVH; 2 thin SAH with IVH; 3 thick SAH, no IVH; 4 thick SAH with IVH). Not Fisher 1980 original groups 1-4. Not a diagnosis; magent does not read the CT or invent a millimetre cutoff or vasospasm percentage.
——$0.005
POST/api/calc/modified_hoehn_yahr
Goetz 2004 modified Hoehn and Yahr stage (Table 1). Caller-assigned tokens 1.0, 1.5, 2.0, 2.5, 3.0, 4.0, or 5.0 with the published description. No stage 0. Not the original integer-only 1-5 scale, not UPDRS, not a diagnosis, and not an outcome measure. magent does not examine the patient. Not a medical device.
——$0.005
POST/api/calc/modified_rankin
Modified Rankin handicap grade 0-5 (van Swieten 1988) as assigned by the caller. Returns the published wording (no symptoms at all through severe disability: bedridden, incontinent, constant nursing). This 1988 scale has six grades 0-5 and does not include a dead grade. Not a diagnosis or discharge/disability-benefit protocol; magent does not interview the patient.
——$0.005
POST/api/calc/modified_sgarbossa
Smith 2012 unweighted modified Sgarbossa for STEMI equivalent in LBBB. Positive if ANY of three caller-assigned flags is true: concordant ST elevation ≥1 mm in a lead with positive QRS, concordant ST depression ≥1 mm in V1–V3, or ≥1 mm discordant STE with ST/S ratio ≤ −0.25 (STE ≥25% of the preceding S-wave). Not the original Sgarbossa 1996 5/3/2 points score. Not a 5 mm discordant rule. magent does not measure the ECG. Not a diagnosis.
——$0.005
POST/api/calc/montreal_ibd
Satsangi 2006 Montreal IBD phenotype (Vienna revision). Crohn: A1-A3, L1-L4, B1-B3, optional +L4 (not when isolated L4) and p. UC: E1-E3 plus S0-S3 as assigned. Compact string, no spaces. Not an activity index (not CDAI/Mayo), not Paris, not IBDU. magent does not perform endoscopy. Not a diagnosis. Not a medical device.
——$0.005
POST/api/calc/motzer
Motzer 1999 MSKCC: KPS <80, LDH >1.5×ULN, hemoglobin <LLN, corrected calcium >10 mg/dL, no prior nephrectomy; 1 point each, max 5. Favorable 0, intermediate 1–2, poor ≥3. Deterministic published score with citation; not an RCC diagnosis or treatment recommendation; not IMDC; not Motzer 2002/2004. magent does not assign KPS or assay LDH, hemoglobin, or calcium.
——$0.005
POST/api/calc/mrc_icu
Gwynn 2019 MRC-ICU: 39 printed ICU medication and device items (1, 2, or 3 points). Multiplier classes are weight × the caller-assigned count of qualifying medications. Non-multiplier items add the printed weight when present. Output is the integer sum plus components. Not a pharmacist-staffing order; magent does not read the MAR.
——$0.005
POST/api/calc/mrecist
Lencioni 2010 mRECIST for typical intrahepatic HCC target lesions. First-match: PD if new_lesion or a 20% or greater viable-sum increase vs nadir; else CR if arterial enhancement disappeared in all targets; else PR if a 30% or greater viable-sum decrease vs baseline; else SD. Caller-assigned flags; magent does not read imaging. Not a medical device, not a diagnosis, not RECIST 1.1, not EASL necrosis-only, not the 2019 Llovet +5 mm PD refinement, and not nontarget-only overall response.
——$0.005
POST/api/calc/msoar
mSOAR (Abdul-Rahim 2016 Stroke): SOAR plus NIHSS for early mortality after acute stroke. Age ≤65 0, 66-85 1, >85 2; infarct 0, hemorrhage 1; OCSP LACS/PACS 0, POCS 1, TACS 2; prestroke mRS 0-2 0, 3-4 1, 5 2; NIHSS 0-4 0, 5-10 1, ≥11 2. Max 9. Table 2 derivation percents for scores 0-1 through 7. Not a care-withdrawal decision. magent does not examine the patient or score NIHSS items.
——$0.005
POST/api/calc/msofa
Modified SOFA (mSOFA) from Grissom 2010 Table 2: SpO2/FiO2 respiration, caller-assigned scleral icterus or jaundice (0 or 3), MAP and adrenergic agents, caller-assigned GCS, and creatinine; five organs, coagulation not scored, max 19. Deterministic published score with citation; not Vincent 1996 SOFA, not qSOFA, and not a Sepsis-3 diagnosis.
——$0.005
POST/api/calc/mtoq_4
Lipton 2015 mTOQ-4 from four caller-assigned frequency items: pain-free within 2 hours, one dose keeps headache away ≥24 hours, comfortable enough to plan daily activities, in control enough to return to normal function. Each never=0, rarely=0, less_than_half=1, half_or_greater=2. Sum 0-8. Bands very_poor 0, poor 1-5, moderate 6-7, maximum 8. magent does not interview the patient. Not a diagnosis, not an abortive-drug order, not the 19-item or 6-item mTOQ.
——$0.005
POST/api/calc/mulbsta
Guo 2019 MuLBSTA viral pneumonia mortality score. Caller-assigned multilobular infiltrates (5), lymphocyte count ≤0.8 ×10^9/L (4), bacterial coinfection (4), exclusive smoking (never 0, former 2, current 3), hypertension (2), and age ≥60 (2). Max 20. Low 0-11, high ≥12. magent does not read imaging or assign smoking history. Not a viral-species diagnosis or treatment order.
——$0.005
POST/api/calc/mumtaz
Mumtaz 2019 integer score for 30-day all-cause readmission after decompensated-cirrhosis index admission. Age, payer, caller-assigned Elixhauser >=3, nonalcoholic etiology, ascites, encephalopathy, variceal bleeding (-7), HCC, paracentesis, hemodialysis, and disposition. Range -11 to 49. Returns estimated_readmission_percent and readmission_band (low <20%, medium 20-30%, high >30%). Not a discharge order. magent does not compute Elixhauser.
——$0.005
POST/api/calc/murray
Murray 1988 lung injury score (LIS): mean of four 0–4 components (caller-assigned CXR quadrants; PaO2/FiO2 ≥300→0, 225–299→1, 175–224→2, 100–174→3, <100→4; PEEP cm H2O ≤5→0, 6–8→1, 9–11→2, 12–14→3, ≥15→4; compliance mL/cm H2O ≥80→0, 60–79→1, 40–59→2, 20–39→3, ≤19→4). LIS 0 none, 0<LIS≤2.5 mild_moderate, >2.5 severe. Not a medical device, not a Berlin ARDS diagnosis, not a ventilator order. magent does not interpret imaging.
——$0.005
POST/api/calc/must
Stratton 2004 Malnutrition Universal Screening Tool (MUST) for adults. Three additive scores, max 6: BMI (>20 → 0, 18.5–20 → 1 including 20.0, <18.5 → 2); unplanned weight loss % last 3–6 months (<5 → 0, 5–10 → 1 including 10%, >10 → 2); acute disease no nutritional intake >5 days → 2. Risk 0 low, 1 medium, ≥2 high. Caller supplies BMI and weight-loss percent. Not a malnutrition diagnosis, diet order, or MUAC. magent does not weigh the patient.
——$0.005
POST/api/calc/myeloma_iss
Greipp 2005 International Staging System for multiple myeloma. Stage I: serum beta-2 microglobulin <3.5 mg/L and albumin >=3.5 g/dL. Stage III: beta-2 microglobulin >=5.5 mg/L. Stage II: neither I nor III. Returns iss_stage 1/2/3. Not a myeloma diagnosis or treatment choice; not R-ISS (no LDH, no cytogenetics); not trauma ISS. magent does not assay beta-2 microglobulin or albumin.
——$0.005
POST/api/calc/mysec_pm
Passamonti 2017 MYSEC-PM for post-PV and post-ET myelofibrosis. Score = 0.15*age + hemoglobin <11 g/dL (2) + circulating blasts ≥3% (2) + CALR-unmutated (2) + platelets <150×10^9/L (1) + constitutional symptoms (1). Low <11, intermediate_1 ≥11 and <14, intermediate_2 ≥14 and <16, high ≥16. Not DIPSS (PMF), not GIPSS, not a transplant listing. magent does not sequence CALR.
——$0.005
POST/api/calc/myxedema_coma
Popoveniuc 2014 myxedema coma points from caller-assigned bands: thermoregulatory 0/10/20; CNS 0/10/15/20/30; GI 0/5/15/20; precipitant 10; bradycardia 0/10/20/30 plus other EKG 10, effusion 10, pulmonary edema 15, cardiomegaly 15, hypotension 20; five metabolic flags 10 each. Max 230. ≥60 potentially diagnostic; 45–59 at risk. Not a diagnosis or thyroid-hormone order. magent does not measure temperature, GCS, or labs.
——$0.005
POST/api/calc/nadler
Nadler 1962 predicted blood volume in liters from height, weight, and sex (separate male and female equations). Deterministic published arithmetic with citation. For adults as published; this tool does not take age. Not a transfusion order, Lemmens–Bernstein–Brodsky estimate, or 70 mL/kg rule of thumb.
——$0.005
POST/api/calc/nafcs
Hegele 2025 NAFCS. Table 3 points from age or early HTG onset, BMI, abdominal pain or pancreatitis, secondary factors, fasting TG >880 mg/dL or >10 mmol/L, TG/TC >8 (mg/dL) or >3.5 (mmol/L), and apo B <1.0 g/L, plus published interactions. Max 100. ≥60 definite classical FCS; ≥45 very likely. Not a diagnosis or genetic test. Not Simon Broome or Dutch FH. magent does not examine the patient or assay lipids. Not a medical device.
——$0.005
POST/api/calc/nafld_fibrosis
Angulo 2007 NAFLD fibrosis score from age, BMI, IFG/diabetes, AST, ALT, platelets, and albumin. Deterministic published equation with citation. Not a biopsy or diagnosis. Not FIB-4, APRI, or BARD.
——$0.005
POST/api/calc/nafld_nas
Kleiner 2005 NAFLD activity score (NAS): caller-assigned steatosis 0-3 (<5% / 5–33% / >33–66% / >66%), lobular_inflammation 0-3 (none / <2 foci per 200× / 2–4 / >4), ballooning 0-2 (none / few / many or prominent). magent sums only (max 8). Fibrosis is not in NAS. Kleiner 2005 reported NAS ≥5 correlated with NASH in that study; that is not a diagnostic algorithm. magent does not read histology and does not return NASH bands.
——$0.005
POST/api/calc/naloxone_drip
Continuous intravenous naloxone infusion as two-thirds of the caller-assigned reversal bolus each hour (Goldfrank 1986). infusion_mg_h = (2/3) * reversal_bolus_mg maintains plasma naloxone at or above the 30-minute post-bolus level. magent does not choose the bolus or start naloxone. Not a prescription or medical device.
——$0.005
POST/api/calc/nccn_ipi
Zhou 2014 NCCN-IPI for DLBCL in the rituximab era: age (≤40 0, 41–60 1, 61–75 2, ≥76 3), LDH/ULN (≤1 0, >1–3 1, >3 2), Ann Arbor III or IV 1, major-organ extranodal (bone marrow, CNS, liver/GI tract, or lung) 1, ECOG ≥2 1; max 8. Low 0–1, low_intermediate 2–3, high_intermediate 4–5, high 6–8. Deterministic published score; not a DLBCL diagnosis or treatment choice; not Shipp IPI, not R-IPI, not CNS-IPI. magent does not assay LDH or stage lymphoma.
——$0.005
POST/api/calc/nci_ctc_mucositis
NCI CTC v2.0 Mucositis due to radiation (Trotti 2000). none → 0; erythema → 1; patchy_pseudomembrane (≤1.5 cm, noncontiguous) → 2; confluent_pseudomembrane (contiguous >1.5 cm) → 3; necrosis_or_deep_ulcer (may include bleeding not induced by minor trauma) → 4. magent does not examine the mucosa. Not CTC stomatitis/pharyngitis, CTCAE v3/v4/v5, or WHO mucositis. Not a diagnosis or medical device.
——$0.005
POST/api/calc/nci_ctc_stomatitis
NCI CTC v2.0 stomatitis/pharyngitis (Trotti 2000). none → 0; painless_or_mild_soreness → 1; painful_can_eat → 2; painful_cannot_eat → 3; parenteral_or_prophylactic_intubation → 4. magent does not examine the mucosa. Not radiation mucositis (nci-ctc-mucositis), CTCAE catalog, or WHO. Not a diagnosis or medical device.
——$0.005
POST/api/calc/ndi
Vernon 1991 Neck Disability Index: ten caller-assigned integers 0-5 (pain intensity, personal care, lifting, reading, headaches, concentration, work, driving, sleeping, recreation). Sum 0-50. Vernon 1991 raw-score bands 0-4 none, 5-14 mild, 15-24 moderate, 25-34 severe, >34 complete. Does not apply later 0-8%/10-28% website percentage bands or score Oswestry. magent does not interview. Not a diagnosis and not a medical device.
——$0.005
POST/api/calc/nedocs
Weiss 2004 National ED Overcrowding Study (NEDOCS) reduced five-variable model: ED patients indexed to ED beds, boarding indexed to hospital beds, respirators, longest admitted-patient hours since registration, and last-called registration-to-bed hours. Returns the linear score (1 decimal) and the published ≥100 overcrowding cutoff. Caller supplies counts and hours; magent does not count beds or wait times. Not a medical device and not a diversion or ambulance-bypass order.
——$0.005
POST/api/calc/neonatal_eos
Puopolo 2011 neonatal early-onset sepsis prior at birth (≥34 weeks) from maternal temperature, gestational age, ROM, GBS, and antibiotic timing, then Escobar 2014 posterior after a caller-assigned well, equivocal, or ill exam. Incidence intercepts 0.3-0.6 per 1000 replace the printed 47.8398 constant. Not a sepsis diagnosis or antibiotic order. magent does not examine the infant.
——$0.005
POST/api/calc/neonatal_partial_exchange
Partial-exchange volume from Kumar 2004: volume_ml = (actual_hct_percent - 55) / actual_hct_percent * blood_volume_ml. Desired hematocrit is the trial's 55 percent only. Caller assigns blood volume; magent does not choose millilitres per kilogram or saline versus plasma. Not a transfusion order or indication (the trial found no long-term benefit in asymptomatic LBW). Deterministic published arithmetic with citation.
——$0.005
POST/api/calc/new_orleans_head
New Orleans Head CT Rule (Haydel 2000). CT is indicated if any of seven findings: headache, vomiting, age over 60, drug or alcohol intoxication, short-term memory deficit (anterograde amnesia), physical evidence of trauma above the clavicles, or seizure. Published for GCS 15 minor head injury in adults; magent does not take GCS or examine the patient. Not a diagnosis, not the Canadian CT Head Rule, not PECARN, and not pediatric.
——$0.005
POST/api/calc/news
NEWS from RCP 2012 Chart 1: respiratory rate, SpO2, supplemental oxygen, temperature (°C), systolic BP, heart rate, and caller-assigned AVPU (alert 0; voice, pain, or unresponsive 3 each) summed to a 0–20 total. Returns Chart 2 clinical_risk (low/medium/high) and red_score when any parameter scores 3. Deterministic published arithmetic with citation; not NEWS2; not an ICU-admission order.
——$0.005
POST/api/calc/news2
NEWS2 from RCP 2017 Chart 1: respiratory rate, SpO2 on caller-assigned Scale 1 or Scale 2, supplemental oxygen, temperature (C), systolic BP, heart rate, and caller-assigned ACVPU (alert 0; confusion, voice, pain, or unresponsive 3 each) summed to 0-20. Returns Chart 2 clinical_risk (low / low-medium / medium / high) and red_score. Not NEWS 2012; not an ICU-admission order.
——$0.005
POST/api/calc/newsom
Newsom 2014 modified Rothrock rule for chest radiography in nontraumatic emergency chest pain. CXR indicated if any of: age ≥65 years, history of congestive heart failure, history of alcohol abuse, decreased breath sounds, fever, or tachypnea. Does not include hypoxia, rales, hemoptysis, tuberculosis, or thromboembolic disease (removed in 2014). Not the 2018 prospective refinement. Caller assigns age and five flags. magent does not examine the patient or read a radiograph. Not a diagnosis.
——$0.005
POST/api/calc/nexus
NEXUS C-spine rule (Hoffman 2000). The patient is NEXUS low-risk, and imaging is not indicated by this rule, only when all five hold: no posterior midline cervical-spine tenderness, no focal neurologic deficit, normal alertness, no intoxication, and no painful distracting injury. Any failed criterion means x-ray is indicated. Not a diagnosis, not the Canadian C-spine rule, and not NEXUS chest. Blunt-trauma adults as published. magent does not examine the patient.
——$0.005
POST/api/calc/nexus_chest
NEXUS Chest (Rodriguez 2011). Chest radiography is not indicated by this instrument only when all seven caller-assigned findings are absent: chest pain, distracting injury, chest-wall tenderness, intoxication, age >60, rapid deceleration, and altered mental status. Any one present means chest x-ray is indicated. Not a diagnosis, not Hoffman 2000 NEXUS C-spine, and not a NEXUS Chest CT instrument. Derivation enrolled blunt trauma age >14. magent does not examine the patient.
——$0.005
POST/api/calc/nexus_chest_ct
NEXUS Chest CT (Rodriguez 2015). Chest CT-Major is negative only when abnormal CXR, distracting injury, chest-wall, sternal, thoracic-spine, and scapular tenderness are all absent. Chest CT-All is negative only when those six and rapid deceleration mechanism are absent. Presence of a criterion does not mandate CT. Not a diagnosis, not the NEXUS Chest CXR instrument, and not Hoffman 2000 NEXUS C-spine. Enrolled blunt trauma age >14. magent does not examine the patient or read a radiograph.
——$0.005
POST/api/calc/nexus_head_ct
NEXUS Head CT (Mower 2017). Low-risk, and CT may be omitted by this instrument, only when all eight are absent: age 65 or older, evidence of skull fracture, scalp hematoma, neurologic deficit, altered alertness, abnormal behavior, coagulopathy, and persistent vomiting. Age 65 is high-risk; age 64 is not on age alone. Not a diagnosis, not a CT order, not Hoffman 2000 NEXUS C-spine, and not the Canadian CT Head Rule. magent does not examine the patient.
——$0.005
POST/api/calc/nhfs
Maxwell 2008 Nottingham hip fracture score: age <=65 0, 66-85 3, >=86 4; male 1; hemoglobin <=10 g/dL 1 (g/L / 10); caller-assigned AMTS <=6, lives in institution, >=2 comorbidities, and malignancy 1 each. Max 10. Integer score only; no predicted 30-day mortality percent. magent does not administer AMTS or clear a patient for surgery. Not the 2012 or 2015 recalibrations.
——$0.005
POST/api/calc/nice_iv_maintenance
NICE CG174 adult hospital routine maintenance: 20, 25, or 30 mL/kg/day water times dosing weight, about 1 mmol/kg/day sodium, potassium, and chloride each, and 50–100 g/day glucose. Flags water over 2.5 L without capping. Not 4-2-1, not Holliday–Segar, not a fluid-type order. Caller assigns IBW when obese. Deterministic published arithmetic with citation.
——$0.005
POST/api/calc/nice_pediatric_iv
NICE NG29 (2015, updated 2020) pediatric IV maintenance for children and young people: Holliday–Segar daily 100/50/20 mL/kg, then male 2500 mL or female 2000 mL 24-hour caps, then ADH-risk restriction at 50%, 80%, or 100% of the capped volume. Hourly is restricted/24, not 4-2-1. Not a prescription, not neonate day-of-life volumes, and not adult CG174.
——$0.005
POST/api/calc/nihss
Brott 1989 NIH stroke scale: 15 caller-assigned exam integers including pupillary response (0-2) and plantar reflex (0-3), with weaker-limb motor arm (0-4) and motor leg (0-3). Sum 0-37. Not the later NINDS 11-category form, not mNIHSS, and not a tPA order. magent does not examine the patient. No total-score severity bands in Brott 1989; later website cutoffs are not applied. Not a diagnosis and not a medical device.
——$0.005
POST/api/calc/nincds_adrda
McKhann 1984 NINCDS-ADRDA diagnostic category as assigned by the caller (definite, probable, possible, or unlikely). Returns the token and the published defining-features description. magent does not examine the patient. Not NIA-AA 2011/2018. Not DSM. Not an Alzheimer's diagnosis. Not a medical device.
——$0.005
POST/api/calc/nirudak
Barry 2021 NIRUDAK Table 2 integer score (max 13) for patients 5–120 years with acute diarrhea: age, sex, eye_level, radial_pulse, respirations, skin_pinch (rapid/slow/very_slow), vomiting_episodes_24h. Bands 0-3 no, 4-6 some, 7-13 severe dehydration. Not WHO IMCI/IMAI. Not DHAKA. Not PLOS logistic models. magent does not examine the patient or order fluids. Not a medical device.
——$0.005
POST/api/calc/nivo
Hartley 2021 NIVO: consolidation, GCS ≤14, AF, and pH <7.25 score 1 each; time to acidaemia >12 h scores 2; eMRCD 1_to_4 → 0, 5a → 2, 5b → 3 (cannot score both). Returns 0–9 and Table 4 bands 0-2 / 3-4 / 5-6 / 7-9 with grouped in-hospital mortality 5.0 / 16.8 / 41.2 / 71.4%. Not HACOR, DECAF, APACHE II, or a weaning predictor. Not a medical device.
——$0.005
POST/api/calc/nlr
Neutrophil-to-lymphocyte ratio from relative neutrophil and lymphocyte percents (Zahorec 2001). Deterministic published arithmetic with citation. Not a sepsis diagnosis; magent does not apply later oncology cutoffs that are not in that paper.
——$0.005
POST/api/calc/nps
Galer 1997 Neuropathic Pain Scale from ten caller-assigned 0-10 items (intensity, sharpness, heat, dullness, cold, sensitive, itchy, unpleasantness, deep_pain, surface_pain; Table 1 Intense, Sharp, Hot, Dull, Cold, Sensitive, Itchy, Unpleasant, Deep, Surface). magent sums those items only (max 100) and does not interview the patient. Galer 1997 printed no diagnostic cutoff for that sum. Not a neuropathy diagnosis or treatment order.
——$0.005
POST/api/calc/nri
VA TPN 1991 Nutritional Risk Index (NEJM): NRI = 1.519*albumin_g_l + 41.7*(current/usual weight). Malnourished if NRI <= 100. Strata: not_malnourished if NRI > 100; borderline_malnourished if 97.5 < NRI <= 100; mildly_malnourished if 83.5 <= NRI <= 97.5; severely_malnourished if NRI < 83.5. Does not cap current/usual at 1. Not a malnutrition diagnosis or TPN order. magent does not assay albumin or weigh the patient. Not GNRI or PNI.
——$0.005
POST/api/calc/nrpe
Rao 2021 natriuretic response prediction equation from caller-assigned eGFR and BSA, serum and urine creatinine, and urine sodium on a spot sample ~2 h after IV loop diuretic. Na_output_mmol = eGFR*(BSA/1.73)*(SerumCr/UrineCr)*60*3.25*(UrineNa/1000). Poor <50 mmol; suboptimal <100 mmol (includes poor); excellent >150 mmol. magent does not compute eGFR or BSA and does not order a diuretic.
——$0.005
POST/api/calc/nrs_2002
Kondrup 2003 NRS-2002: nutrition_status (0-3) + disease_severity (0-3) + 1 if age ≥70 (70 scores); max 7. at_risk true iff score ≥3. Caller assigns published grades (highest undernutrition indicator). Hospitalized adults. Not a medical device, not a diet order, not NRI. magent does not weigh the patient.
——$0.005
POST/api/calc/nutric
Heyland 2011 original 6-variable NUTRIC (Nutrition Risk in the Critically Ill) including IL-6, Table 4 overall: age 0-2, APACHE II 0-3 (28 scores 2), SOFA 0-2, comorbidities 0-1, hospital days to ICU 0-1, IL-6 pg/mL 0-1; max 10. high_risk true iff score ≥6. Caller supplies APACHE II and SOFA integers. Not a medical device, not a feeding order, not Rahman 2015 mNUTRIC.
——$0.005
POST/api/calc/nvps
Odhner 2003 original NVPS from five caller-assigned 0-2 items (face, activity, guarding, physiologic_i vital signs, physiologic_ii autonomic) using that paper's 0/1/2 descriptors. magent sums only (max 10) and does not observe the patient. Not the later NVPS-R respiratory revision. No invented intensity cutoffs. Not a pain diagnosis or analgesic order. Not BPS. Not FLACC.
——$0.005
POST/api/calc/nyha
NYHA 1994 functional capacity class 1-4 as assigned by the caller (Criteria Committee of the New York Heart Association, 9th edition). Returns class, score, max 4, and the published class description. Functional capacity only; not Objective Assessment A-D and not ACC/AHA stages. Not a heart-failure diagnosis; magent does not examine the patient.
——$0.005
POST/api/calc/oakland
Oakland 2017 risk score for safe discharge after acute lower gastrointestinal bleeding. Points from age (0-2), sex (male 1), previous LGIB admission (1), caller-assigned blood on digital rectal examination (1), heart rate (0-3), systolic BP (0-5), and hemoglobin g/dL (0-22); max 35. safe_discharge when score ≤8 (derivation cutoff, not a later US validation). Not a discharge order or LGIB diagnosis. magent does not examine the rectum or assay hemoglobin. Hemoglobin g/dL or g/L.
——$0.005
POST/api/calc/oesil
Colivicchi 2003 OESIL: 1 point each for age >65 years, history of cardiovascular disease, syncope without prodromes, and abnormal ECG. Arithmetic sum 0-4. Caller assigns three flags; magent does not read an ECG. Score only; derivation-cohort 12-month mortality percents are not an individual prediction. Not a medical device and not a disposition protocol.
——$0.005
POST/api/calc/ohfrs
Ottawa Heart Failure Risk Scale (OHFRS; Stiell 2013 derivation). Ten caller-assigned flags (stroke/TIA 1, intubation 2, arrival HR >=110 2, arrival SaO2 <90% 1, walk-test HR >=110 or unable 1, new ischemic ECG 2, urea >=12 mmol/L 1, CO2 >=35 mmol/L 2, troponin at MI level 2, NT-proBNP >=5000 ng/L 1); integer points, max 15. Derivation SAE risk 2.8% to 89.0%. Not a medical device, not a disposition or discharge order, not EHMRG. magent does not walk the patient or read the ECG.
——$0.005
POST/api/calc/ohts
OHTS-EGPS 2007 Table 6: 5-year primary open-angle glaucoma risk in untreated ocular hypertension from age, mean IOP (mm Hg), mean central corneal thickness (microns), mean vertical cup-disc ratio, and mean Humphrey pattern standard deviation (dB). Point bands map to 4%, 10%, 15%, 20%, or 33%. No race (dropped in the multivariate model). No diabetes term. Not a glaucoma diagnosis or drop order. magent does not measure IOP or pachymetry.
——$0.005
POST/api/calc/onls
Graham 2006 ONLS: caller-assigned arm_scale 0-5 plus leg_scale 0-7. Sum 0-12. Score 0 is no limitations. Arm 5 or leg 7 is no purposeful movement of that region. Leg 0 requires walking, stairs, and running unaffected. Remaining grades match ODSS; this is not ODSS and not Adjusted ONLS. magent does not observe the patient. No published total-score severity bands. Not a diagnosis and not a medical device.
——$0.005
POST/api/calc/oocyte_live_birth
Goldman 2017 counseling for elective mature-oocyte cryopreservation. Autologous: thaw survival 0.95 if age <36 else 0.85; p_blast = survival × exp(2.8043 − 0.1112 × equation_age) with equation_age 35 at age ≤35; p_euploid from that paper's SI table. Donor: p_blast 0.3583, p_euploid 0.647. p_oocyte = 0.6 × p_euploid × p_blast. Returns nearest-integer percents of at least 1, 2, and 3 live births. Surrogate ICSI cohort; not a live-birth guarantee. Not oncofertility.
——$0.005
POST/api/calc/orai
Cadarette 2000 Osteoporosis Risk Assessment Instrument (ORAI). Additive Table 4 score: age ≥75 → 15, 65–74 → 9, 55–64 → 5, 45–54 → 0; weight <60 kg → 9, 60–69 kg → 3, ≥70 kg → 0; current estrogen no → 2, yes → 0. Max 26. Score ≥9 would be selected for bone densitometry. Age 45–120; weight_kg or weight_lb. Not a medical device, not OSTA, not FRAX, not a DXA order.
——$0.005
POST/api/calc/orbi
Auffret 2018 ORBI integer score for in-hospital cardiogenic shock after STEMI treated by primary PCI. Rounded adjusted-OR points (max 36) from age >70, prior stroke/TIA, cardiac arrest, anterior STEMI, FMC-to-PPCI >90 min, Killip I-III, heart rate >90, SBP <125 with pulse pressure <45, glucose >10 mmol/L, left-main culprit, and post-PPCI TIMI <3. Derivation-cohort class I-IV percents. Not a medical device, not a cath-lab or shock-treatment order, and not the ORBIT bleeding score.
——$0.005
POST/api/calc/orbit
ORBIT 2015 (O'Brien) AF bleeding score: age >=75 scores 1; anemia caller flag 2; bleeding history 2; insufficient kidney (paper eGFR <60) caller flag 1; antiplatelet 1. Max 7. Score 0-2 low, 3 intermediate, >=4 high. Not a diagnosis. Not HAS-BLED. magent does not take hemoglobin or compute eGFR.
——$0.005
POST/api/calc/ort
Webster 2005 Opioid Risk Tool from Table 1 sex-specific weights. Ten caller-assigned yes/no flags (absent = 0). Age 16-45 is a flag, not a numeric age. ADD, OCD, bipolar, or schizophrenia is one flag. Preadolescent sexual abuse scores 3 in females and 0 in males. Low 0-3, moderate 4-7, high >=8. Not a medical device, not a diagnosis of opioid use disorder, not the 2019 ORT-OUD revision. magent does not interview the patient or take free-text history.
——$0.005
POST/api/calc/ort_oud
Cheatle 2019 revised Opioid Risk Tool (ORT-OUD): nine unweighted yes/no flags (each 1; max 9). No sex. No preadolescent sexual abuse item. Scores 0-2 are non_oud; 3 or more are oud (integer cutoff for the paper's 2.5). Not Webster 2005 weighted ORT. Cheatle 2019 enrolled only Caucasian patients of European descent (parent-study genotype design); that is a population limit, not a race coefficient. Not a diagnosis of opioid use disorder. magent does not interview the patient. Not a medical device.
——$0.005
POST/api/calc/os_mrs
DeMaria 2007 obesity surgery mortality risk score (OS-MRS): five caller-assigned flags (BMI ≥50 kg/m², male, hypertension, known PE risk, age ≥45), 1 point each, max 5. Class A 0–1, B 2–3, C 4–5. Deterministic published score with citation; not a surgical clearance and not a mortality percentage. magent does not weigh the patient or measure age.
——$0.005
POST/api/calc/osiris
Sedrine 2002 Osteoporosis Index of Risk (OSIRIS). Index = (-0.2 × age) + (0.2 × weight_kg) + 2 if current HRT + (-2) if prior low-impact fracture. Risk low if score > +1, high if score < -3, intermediate otherwise including exact +1 and -3. Age 18-120; weight_kg or weight_lb; current_hrt and prior_low_impact_fracture true/false. Not a medical device, not FRAX, not a DXA order. Derivation was postmenopausal Western European women.
——$0.005
POST/api/calc/osta
Koh 2001 Osteoporosis Self-Assessment Tool for Asians (OSTA). Index = trunc(0.2 × (weight_kg − age)) toward zero. Risk low if index > −1, intermediate if −1 through −4, high if index < −4. Age 18–120; weight_kg or weight_lb. Not a medical device, not FRAX, not a DXA order. Derivation was postmenopausal Asian women.
——$0.005
POST/api/calc/ottawa_ankle
Ottawa ankle rule (Stiell 1992). Ankle x-ray is indicated when there is malleolar-zone pain and any of: bone tenderness at the posterior edge or tip of the lateral or medial malleolus, or inability to bear weight both immediately after injury and in the emergency department (four steps). One weight-bearing failure alone is not enough. Not a diagnosis of fracture, not the Ottawa foot rule, and not the Pittsburgh knee rule. magent does not examine the ankle.
——$0.005
POST/api/calc/ottawa_copd
Ottawa COPD Risk Scale (Stiell 2014 derivation). Ten caller-assigned flags: CABG 1, PVD intervention 1, intubation 2, arrival HR >=110 2, too ill to walk or HR >=120 (SaO2 <90%) 2, ischemic ECG 2, CXR congestion 1, Hb <100 g/L 3, urea >=12 1, serum CO2 >=35 1; max 16. Bands low/medium/high/very high with Table 8 SAE percents when published. Not a medical device or admission order; not BAP-65 or DECAF; not the 2018 validation as formula. magent does not walk the patient or read the ECG or CXR.
——$0.005
POST/api/calc/ottawa_knee
Ottawa knee rule (Stiell 1995). Knee x-ray is indicated when any of: age 55 or older, bone tenderness at the fibular head, isolated patellar tenderness (caller-applied), inability to flex to 90 degrees, or inability to bear weight both immediately after injury and in the emergency department (four steps). One weight-bearing failure alone is not enough. Not a diagnosis of fracture, not the Ottawa ankle or foot rule, and not the Pittsburgh knee rule. magent does not examine the knee.
——$0.005
POST/api/calc/ottawa_sah
Ottawa SAH Rule (Perry 2013 JAMA). Investigate when any of six findings is present: age 40 or older, neck pain or stiffness, witnessed loss of consciousness, onset during exertion, thunderclap headache (instantly peaking pain), or limited neck flexion on examination. Not a diagnosis of SAH, not Hunt-Hess, and not Fisher grade. For alert, neurologically intact adults with nontraumatic headache peaking within 1 hour as published. magent does not examine the neck.
——$0.005
POST/api/calc/oxygenation_index
Oxygenation index from FiO2 as a fraction (0.21–1.0), mean airway pressure in cm H2O, and PaO2: FiO2 × MAP × 100 / PaO2. Deterministic published arithmetic with citation; not a diagnosis or an ECMO-initiation protocol.
——$0.005
POST/api/calc/pack_years
NCI pack-year smoking exposure: pack_years = packs_per_day x years_smoked. One pack per day for one year is one pack-year; two packs per day for 0.5 year is the same. Provide packs_per_day (0-10) or cigarettes_per_day (0-200; 20 cigarettes = 1 pack), not both, plus years_smoked (0-80). magent does not take a smoking history interview. Not a lung-cancer screening order, COPD diagnosis, or medical device.
——$0.005
POST/api/calc/padua
Barbar 2010 Padua Prediction Score for hospitalized medical patients: cancer 3, previous VTE 3, reduced mobility 3, thrombophilia 3, recent trauma/surgery 2, age >=70 1, heart/respiratory failure 1, acute MI/stroke 1, infection/rheumatologic 1, obesity (BMI>=30) 1, hormonal treatment 1. Max 20. <4 low; >=4 high. Not a diagnosis. Not Caprini, IMPROVE, or Khorana.
——$0.005
POST/api/calc/painad
Warden 2003 PAINAD from five caller-assigned 0-2 items (breathing, negative_vocalization, facial_expression, body_language, consolability) using that paper's 0/1/2 descriptors. magent sums only (max 10) and does not observe the patient. No later intensity cutoffs. Not a pain diagnosis or analgesic order.
——$0.005
POST/api/calc/palchak
Palchak 2003. High risk after blunt head trauma in children 0-17 if any applicable predictor: abnormal mental status, clinical signs of skull fracture, history of vomiting, scalp hematoma (only if age <=2), or headache. Else low risk. ct_not_low_risk iff high. Scalp hematoma is parsed at all ages but scores only when age is 0, 1, or 2. Not PECARN, CATCH, CHALICE, Canadian CT Head, or NEXUS. magent does not examine the child or order CT. Not a diagnosis or medical device.
——$0.005
POST/api/calc/papi
Korabathina 2012 pulmonary artery pulsatility index from PA systolic (mm Hg), PA diastolic (mm Hg), and RAP (mm Hg): PAPi = (PAS − PAD) / RAP. Returns papi to two decimals and the paper ROC band (<=0.9 or >0.9) from the unrounded ratio. Equality at 0.9 is <=0.9. RAP 0 is invalid (no RAP=1 substitution). Not a medical device, RV-failure diagnosis, or device threshold.
——$0.005
POST/api/calc/paradise
Paradise 1984 eligibility frequency for recurrent throat infection. paradise_criteria is true iff qualifying_episode_features and any of ge_7_episodes_preceding_year, ge_5_episodes_each_of_2_years, or ge_3_episodes_each_of_3_years. Caller assigns that counting episodes had fever >38.3 C, cervical adenopathy, tonsillar exudate, or group A beta-hemolytic streptococcus culture. magent does not examine the patient or count episodes. Not a tonsillectomy order. Not AAO-HNS 2019.
——$0.005
POST/api/calc/parc
Kharbanda 2018 Table 3 pediatric appendicitis risk calculator (pARC): logistic probability from sex, age (5-18 years), pain duration, pain with walking, migration of pain to RLQ, maximal RLQ tenderness, abdominal guarding, and ANC (x10^3/uL; 1.77*sqrt(ANC) if <14, else constant 6.62). Returns logit and estimated_probability_percent. Not a medical device, not a diagnosis, not PAS, and not Alvarado. magent does not examine the child.
——$0.005
POST/api/calc/parkland
Adult Parkland crystalloid volume: 4 mL × kg × %TBSA for 24 hours, half in the first 8 hours from the time of injury. Baxter 1974. Deterministic published arithmetic with citation; not a treatment order, IV prescription, or urine-output titration.
——$0.005
POST/api/calc/pars
Biagini Myers 2019 Pediatric Asthma Risk Score (PARS). Table III weights (OR rounded to nearest integer): parental asthma 2, eczema before age 3 2, wheezing apart from colds 3, wheezing before age 3 3, caller-assigned African American race 2, SPT ≥2 aeroallergens and/or food allergens 2. Max 14. Fig E1 predicted asthma by age 7 as an integer percent. Scores 1 and 13 are unattainable. Not API or mAPI. Not a diagnosis. magent does not assign race and does not perform SPT.
——$0.005
POST/api/calc/pas
Samuel 2002 pediatric appendicitis score from eight caller-assigned findings, ages 4-15, max 10. Cough/percussion/hopping RLQ and RIF tenderness score 2; anorexia, pyrexia, nausea/emesis, leukocytosis, neutrophilia, and migration score 1. Fever and labs are flags, not unpublished cutoffs. Not Alvarado (MANTRELS). Not a diagnosis or operating-room protocol. magent does not examine the abdomen.
——$0.005
POST/api/calc/pas_ii
Wolfe 2005 Patient Activity Scale II (PAS-II): (haq_ii * 3.33 + pain_vas + patient_global_vas) / 3. HAQ-II 0-3 (not HAQ); pain and patient global 0-10 VAS. magent does not administer HAQ-II. Not PAS-RA, Samuel 2002 pediatric appendicitis PAS, DAS28, or CDAI. Not a diagnosis. PAS-II total only; no remission or severity cutoffs.
——$0.005
POST/api/calc/pas_ra
Wolfe 2005 Patient Activity Scale (PAS): (haq * 3.33 + pain_vas + patient_global_vas) / 3. HAQ 0-3 (not HAQ-II); pain and patient global 0-10 VAS. magent does not administer the HAQ. Not PAS-II, Samuel 2002 pediatric appendicitis PAS, DAS28, or CDAI. Not a diagnosis. PAS total only; no remission or severity cutoffs.
——$0.005
POST/api/calc/pascal
PASCAL (PFO-Associated Stroke Causal Likelihood; Kent 2021 JAMA Table 1) from a caller-assigned RoPE total (0-10; magent does not recompute RoPE) plus large-shunt and atrial-septal-aneurysm flags. high_rope is RoPE ≥7 (not >7). high_risk_pfo is large shunt and/or ASA. probable if both, possible if exactly one, unlikely if neither. Not a closure order, not RoPE, not ESUS. Trial ages 18-60 are a limitation. magent does not read echocardiography.
——$0.005
POST/api/calc/pasi
Fredriksson 1978 PASI from four regions. Each region: area 0-6 and erythema, induration, and scaling 0-4. Region score = (sum of three signs) × area × adult weight (head 0.1, upper extremities 0.2, trunk 0.3, lower extremities 0.4). Total max 72. Adult weights only. magent does not examine the skin. No IGA or later severity bands. Not a diagnosis. Not EASI.
——$0.005
POST/api/calc/pass
Gorelick 2004 three-item Pediatric Asthma Severity Score (PASS): caller-assigned wheezing (0 none or mild; 1 moderate; 2 severe or absent from poor air exchange), work_of_breathing (0 none or mild; 1 moderate; 2 severe), and prolongation_of_expiration (0 normal or mildly prolonged; 1 moderately; 2 severely). magent sums only (max 6) and does not auscultate. Score only; no invented severity or GINA bands. Not a diagnosis, not Chalut 2000 PRAM, not Westley 1978 croup, and not hospital PAS.
——$0.005
POST/api/calc/pawss
Maldonado 2014 PAWSS. Required 0-point threshold (any alcohol in the last 30 days or positive BAL on admission): if false, score 0 and band outside_window even if other flags are true. If true, ten yes/no items score 1 each (max 10); 0-3 low, >=4 high risk for complicated alcohol withdrawal. Not a diagnosis or prophylaxis order. magent does not interview the patient or measure BAL.
——$0.005
POST/api/calc/pbsc_collection
Rosenbaum 2012 predicted daily CD34+ leukapheresis yield: (peripheral_cd34_per_ul * 0.30 / weight_kg) * processed_volume_l, as ×10^6 cells/kg. Uses that paper's adjusted collection efficiency of 30% only. Weight via weight_kg or weight_lb. Deterministic published arithmetic with citation. Not an apheresis order; magent does not run the collection, choose a machine, or set a collection goal.
——$0.005
POST/api/calc/pc_ptsd_5
Prins 2016 PC-PTSD-5: caller-assigned lifetime trauma-exposure gate plus five past-month yes/no items (nightmare/intrusion, avoidance, hypervigilance/startle, numbing/detachment, guilt/blame). Score 0 if trauma_exposure is false (items required but not counted). If true, each yes is 1 (max 5). Sensitive screen at ≥3. Not a PTSD diagnosis or medical device. magent does not interview.
——$0.005
POST/api/calc/pcdai
Hyams 1991 Pediatric Crohn's Disease Activity Index (PCDAI): eleven caller-assigned item points. hematocrit and esr are 0, 2.5, or 5; the other nine are 0, 5, or 10. magent sums only (max 100) and does not return activity bands. magent does not examine the child or assign hematocrit age/sex tables. Not a diagnosis. Not CDAI, SES-CD, or PUCAI.
——$0.005
POST/api/calc/pcp_hf
Khan 2019 PCP-HF 10-year incident heart-failure percent for age 30-79 from sex, caller-assigned white or black cohort, treated or untreated systolic BP and fasting glucose, total and HDL cholesterol, BMI, smoking, and QRS duration. Table 2 coefficients. Caller assigns cohort; magent does not assign race. Not PREVENT 2024, not 2013 PCE, not a diagnosis or treatment order. magent does not assay lipids, measure blood pressure, or interpret an ECG.
——$0.005
POST/api/calc/pe_sard
Chopard 2021 PE-SARD score for early major bleeding in acute pulmonary embolism. Three caller-assigned flags: syncope (1.5), anemia (hemoglobin <12 g/dL, 2.5), renal dysfunction (GFR <60 mL/min, 1). Max 5. Half-points as published. Risk: low (0), intermediate (1–2.5), high (>2.5). magent does not assay hemoglobin or compute GFR. Not a PE diagnosis and not an anticoagulation order. Not a medical device.
——$0.005
POST/api/calc/peak_expiratory_flow
Nunn and Gregg 1989 predicted adult peak expiratory flow (L/min) from age, sex, and height. Sex-specific ln(PEF) regressions as published. Deterministic published arithmetic with citation; not a personal-best or action-plan zone.
——$0.005
POST/api/calc/pecarn_cspine
PECARN pediatric C-spine (Leonard 2024). No age split. High (consider CT) if GCS 3-8 or AVPU U; abnormal airway, breathing, or circulation; or focal neurologic deficit. Else intermediate (consider x-rays) if neck pain; AMS GCS 9-14; substantial head or torso injury; or midline neck tenderness. Else low (consider clinical clearance). High-risk beats intermediate. Not NEXUS, Canadian C-spine, PECARN head, or PECARN IAI. Not a medical device. magent does not examine the patient.
——$0.005
POST/api/calc/pecarn_febrile
Kuppermann 2019 PECARN prediction rule for febrile infants 60 days and younger. Low-risk only if all three hold: caller-assigned negative urinalysis, ANC 4090/uL or less, and serum procalcitonin 1.71 ng/mL or less. Age 0-60 pins the published population and is not a tree variable. Returns low_risk. magent does not assay UA, ANC, or PCT. Not Rochester, Boston, Philadelphia, Step-by-Step, later AAP/PECARN cutoffs, or pecarn-head. Not a medical device and not a discharge or LP order.
——$0.005
POST/api/calc/pecarn_head
PECARN pediatric head CT (Kuppermann 2009). Two age trees (under 2 vs 2-17). High if any age-applicable high-risk factor (GCS <=14 or altered mental status in both; palpable skull fracture if under 2; signs of basilar skull fracture if 2 or older), else intermediate if any age-applicable intermediate factor, else low. CT recommended only when high. Not a diagnosis. Not Canadian CT Head, CATCH, CHALICE, NEXUS, or PECARN IAI/febrile/c-spine. magent does not examine the patient.
——$0.005
POST/api/calc/pecarn_iai
PECARN pediatric IAI (Holmes 2013). Very low risk of IAI requiring acute intervention only when all seven caller-assigned findings are absent: abdominal wall trauma or seatbelt sign, GCS <14, abdominal tenderness, thoracic wall trauma, abdominal pain, decreased breath sounds, and vomiting. Presence of a criterion does not mandate CT. Not a diagnosis. Not PECARN head. magent does not examine the patient.
——$0.005
POST/api/calc/pediatric_asthma_score
Qureshi 1998 pediatric asthma score: five caller-assigned 1-3 domains — respiratory_rate (Table 1 age-banded ordinal, not raw breaths/min), oxygen_saturation, auscultation, retractions, and dyspnea. magent sums only (5-15) and returns Table 1 asthma_band mild 5-7, moderate 8-11, or severe 12-15. magent does not count breaths, measure SpO2, auscultate, or grade work of breathing. Not a diagnosis or treatment order. Not PRAM. Not Liu 2004. Not Westley croup.
——$0.005
POST/api/calc/pediatric_big
Borgman 2011 pediatric trauma BIG score: admission base deficit (mmol/L as published; magent does not flip signed base excess) plus 2.5 times INR plus (15 minus GCS). Caller supplies numeric base_deficit, inr, and GCS 3-15. magent does not assay blood gas or INR or compute GCS. Numeric score only; Borgman 2011 does not print a 12.7 or 16 mortality cut. Not a medical device or a trauma-bay disposition order.
——$0.005
POST/api/calc/pediatric_ett
Cole 1957 uncuffed pediatric endotracheal tube internal diameter: age_years/4 + 4 millimetres. Deterministic published arithmetic with citation; not a device-selection order or length-based tape.
——$0.005
POST/api/calc/pediatric_nexus_ii
Pediatric NEXUS II (Gupta 2018). Low-risk iff all seven flags are false: skull fracture, scalp hematoma, neurologic deficit, altered alertness, abnormal behavior, persistent vomiting, and coagulopathy. Age 0-17 is required but is not a criterion; adult NEXUS Head CT age >= 65 is dropped. Not a diagnosis, not a CT order, not Mower 2017 adult NEXUS Head CT, not PECARN, CATCH, or CHALICE, and not Hoffman 2000 NEXUS C-spine. magent does not examine the patient.
——$0.005
POST/api/calc/pediatric_nihss
Ichord 2011 Pediatric NIH Stroke Scale (PedNIHSS): 15 caller-assigned NINDS NIHSS integers with left and right motor arm and leg (each 0-4). Visual 0-3. Extinction, not Brott neglect. No pupillary response or plantar reflex. Sum 0-42. magent does not examine the child. No total-score severity bands in Ichord 2011; later 5/15/20 website cutoffs are not applied. Not Brott 1989 15-item NIHSS (max 37), not mNIHSS, not a tPA order, not a diagnosis, and not a medical device.
——$0.005
POST/api/calc/pediatric_sirs
Goldstein 2005 pediatric SIRS from age-group HR, RR, WBC, and core temperature. Present when ≥2 of 4 Table 3 criteria include abnormal temperature (>38.5 or <36 C) or leukocyte. Sepsis is SIRS plus suspected infection; severe sepsis and septic shock use caller-assigned organ-dysfunction flags. magent does not measure vitals or assay WBC. Not Bone 1992 adult SIRS and not Phoenix 2024. Not a medical device and not a diagnosis or sepsis order.
——$0.005
POST/api/calc/pedis
Schaper 2004 IWGDF PEDIS: five independent grades, not a summed total. Perfusion 1-3 (no PAD; PAD without CLI; CLI). Extent 1-3 (<1; 1-3; >3 cm2). Depth 1-3 (superficial; fascia/muscle/tendon; bone/joint). Infection 1-4 (none; skin; deeper without SIRS; with SIRS). Sensation 1-2 (protective sensation present or lost). Label like 1-1-1-1-1. Caller assigns grades. Not a medical device or IWGDF treatment; magent does not measure the ulcer, diagnose PAD, or probe bone.
——$0.005
POST/api/calc/pedocs
Weiss 2007 Pediatric Emergency Department Overcrowding Scale (PEDOCS) two-variable model: waiting-room patients and total registered patients. Returns the 1-decimal score on the paper's 0-200 scale without clamping or 20/60/100 named class bands. Caller supplies counts; magent does not count patients. Not a medical device and not a diversion or ambulance-bypass order.
——$0.005
POST/api/calc/pedsrc
PedSRC blunt abdomen (Streck 2017). Very low risk of blunt intra-abdominal injury only when none of five caller-assigned findings is present: AST >200 U/L, abnormal abdominal examination (wall trauma, distension, or tenderness), abnormal chest x-ray, abdominal pain, and abnormal pancreatic enzymes (amylase or lipase). Presence of a criterion does not mandate CT. Not a diagnosis. Not Holmes 2013 PECARN IAI. magent does not examine the child or assay AST, amylase, or lipase.
——$0.005
POST/api/calc/peg
Krebs 2009 PEG from three caller-assigned integers 0-10 (pain_average, enjoyment_of_life, general_activity). Unweighted mean (range 0-10, one decimal). magent does not interview the patient. Krebs 2009 published no diagnostic cutoff; magent does not invent mild, moderate, or severe bands. Not a pain diagnosis, opioid order, or the full Brief Pain Inventory.
——$0.005
POST/api/calc/peld
McDiarmid 2002 PELD from bilirubin, INR, albumin, age under 1 year, and growth failure. Deterministic published listing arithmetic with citation; not a transplant listing recommendation.
——$0.005
POST/api/calc/peld_cr
OPTN Policy 9 Table 9-1 PELD-Cr from age, albumin, bilirubin, INR, creatinine or dialysis/CVVHD, and caller-assigned minimum CDC height or weight Z-score. PELD = (sum of Table 9-1 terms + 1.5287) × 10 + 2.82; nearest integer; minimum 6. Albumin, bilirubin, and INR floor at 1.0; creatinine 1.3 mg/dL if >1.3 or dialysis/CVVHD. Not a transplant listing order. magent does not compute CDC LMS Z from height or weight.
——$0.005
POST/api/calc/pen_fast
Trubiano 2020 PEN-FAST for patients who already report a penicillin allergy. Three caller-assigned flags: allergy event 5 or fewer years ago (2), anaphylaxis/angioedema or potential SCAR as one criterion (2), treatment required (1). Max 5. Risk: 0 very_low, 1–2 low, 3 moderate, 4–5 high. low_risk_for_testing iff score < 3. Not an allergy diagnosis or delabeling order. magent does not take an allergy history.
——$0.005
POST/api/calc/perc
Eight-factor pulmonary embolism rule-out criteria (Kline 2004). PERC-negative only when all eight hold: age <50, pulse <100, SaO2 >94%, and no unilateral leg swelling, hemoptysis, recent trauma or surgery, prior PE or DVT, or hormone use. Caller must already have low pretest probability as in the paper. Not a diagnosis, not a D-dimer protocol, and not altitude-adjusted PERC.
——$0.005
POST/api/calc/perc_altitude
Altitude-adjusted PERC (Madsen 2019). Same eight Kline factors as sea-level PERC except hypoxia is O2 sat <90% at ~4980 ft, not <95%. PERC-negative only when all eight hold: age <50, pulse <100, SaO2 ≥90%, and no unilateral leg swelling, hemoptysis, recent trauma or surgery, prior PE or DVT, or hormone use. Caller must already have low pretest probability as in Kline. Not a PE diagnosis, not sea-level PERC, and not a medical device.
——$0.005
POST/api/calc/periop_doac
Douketis 2022 ACCP elective perioperative DOAC interruption (PAUSE-style, recommendations 22-25). Returns hold_days_before and resume_days_after from INN (apixaban, rivaroxaban, edoxaban, dabigatran) and bleed_risk. dabigatran also needs caller-assigned CrCl. heparin_bridge is always false (recommendation 26). Not warfarin, not urgent surgery, not a prescription. magent does not assay CrCl.
——$0.005
POST/api/calc/pesi
PESI (Pulmonary Embolism Severity Index) from Aujesky 2005: age in years plus male sex (+10), cancer (+30), heart failure (+10), chronic lung disease (+10), heart rate >=110 (+20), SBP <100 mm Hg (+30), respiratory rate >=30 (+20), temperature <36 C (+20), altered mental status (+60), and SpO2 <90% (+20). Classes I (<=65) through V (>125). Only for already diagnosed PE. Not a diagnosis, not an outpatient protocol, not sPESI, and not the 17-variable laboratory model.
——$0.005
POST/api/calc/pews
Monaghan 2005 Brighton PEWS: behaviour, cardiovascular, and respiratory 0-3 each, plus +2 each for quarter-hourly nebulisers and persistent post-surgery vomiting (max 13). HR/RR use APLS 2005 age-group rest ranges as the paper's normal rate and mean. Returns score_ge_3. Not NEWS2; not MEWS; not Bedside PEWS.
——$0.005
POST/api/calc/pf_ratio
PaO2/FiO2 ratio as arterial PO2 in mm Hg divided by inspired oxygen as a fraction (0.21–1.0). Returns the ratio rounded to one decimal. Magent does not apply ARDS severity cutoffs, and this is not the oxygenation index (FiO2 × MAP × 100 / PaO2).
——$0.005
POST/api/calc/pfib_c
Lefere 2025 pFIB-c logistic probability of significant (>=F2) liver fibrosis in pediatric MASLD from sex (boy/girl), hypertension, ALT (U/L), caller-assigned CDC/WHO weight Z-score, HOMA-IR, and caller-assigned Black ethnicity. Table 2 coefficients. Derivation rule-out cutoff 0.226. magent does not assign race or ethnicity and does not compute LMS Z-scores. Not a biopsy, not pFIB-6, and not a diagnosis.
——$0.005
POST/api/calc/pgcs
Paediatric Glasgow Coma Scale (PGCS) from caller-assigned eye 1-4, verbal 1-5, and motor 1-6 integers (Reilly 1988). Sum 3-15; 1976-style six-point motor. magent does not observe the child, take age, pick age-specific wording, or implement an age-max expected-normal table. Not adult GCS 1974 five-point motor. Not a diagnosis, trauma triage, or intubation order.
——$0.005
POST/api/calc/phases
Greving 2014 PHASES 5-year rupture risk for an unruptured intracranial aneurysm. Caller assigns population (north_america_europe 0, japanese 3, finnish 5), hypertension (1), age >=70 (1), size mm (<7 0, 7.0-9.9 3, 10.0-19.9 6, >=20 10), earlier SAH (1), and site (ica 0, mca 2, aca_pcom_posterior 4). Returns points (max 22) and grouped 5-year risk percent. Not a treatment order or PHASES of care. magent does not assign ancestry or read imaging.
——$0.005
POST/api/calc/phenytoin_correction
Sheiner–Tozer / Winter–Tozer albumin-adjusted total phenytoin: Ccorr = Cobs / ((0.2 or 0.1) × albumin_g_dl + 0.1). Renal factor 0.1 when renal_impairment is true. Deterministic published arithmetic with citation; not a free phenytoin level or a dose.
——$0.005
POST/api/calc/phoenix_sepsis
Schlapbach 2024 Phoenix Sepsis Score (max 13) from four caller-assigned table integers: respiratory 0-3, cardiovascular 0-6 (vasoactives + lactate + age-adjusted MAP), coagulation 0-2, neurologic 0-2. Sepsis if suspected_infection and score ≥2; septic shock if sepsis and cardiovascular ≥1. magent does not take raw labs, P/F, MAP, or GCS. Not Phoenix-8, not adult SOFA, not 2005 Goldstein SIRS sepsis. Not a medical device.
——$0.005
POST/api/calc/phq_9
Kroenke 2001 PHQ-9 from nine caller-assigned DSM-IV depression items as integers 0-3 (0 not at all, 1 several days, 2 more than half the days, 3 nearly every day). magent does not interpret the items. Total 0-27. Severity: 0-4 none_minimal, 5-9 mild, 10-14 moderate, 15-19 moderately_severe, 20-27 severe. Returns screen_ge_10 (score ≥10; this paper 88% sensitivity and 88% specificity for major depression). Not a diagnosis, not a treatment order, not GAD-7, and not PHQ-2/PHQ-8.
——$0.005
POST/api/calc/piama
Caudri 2009 PIAMA Table III decimal clinical prediction score (max 55.1). Male 4.6, post-term 7.3, medium/low parental education 4.2, parental inhaled medication 7.7, wheezing none/1–3/≥4 → 0/4.2/9.1, wheeze or dyspnea apart from colds 7.1, serious infections none/1–2/≥3 → 0/4.6/6.9, eczema with rash 8.2. Score <10 ~3% asthma at 7–8 years; ≥30 ~42%. Not a 0–18 integer port, API, or mAPI. Not a diagnosis. magent does not examine the child.
——$0.005
POST/api/calc/piro_cap
Rello 2009 PIRO score for ICU community-acquired pneumonia: comorbidities (COPD or immunocompromise count as one feature) + age >70 + multilobar opacities + shock + severe hypoxemia + acute renal failure + bacteremia + ARDS. Each 1; max 8. Bands low 0-2, mild 3, high 4, very high 5-8. Not CURB-65, PSI, or APACHE II. magent does not interpret a chest radiograph. Not a diagnosis.
——$0.005
POST/api/calc/pittsburgh_knee
Pittsburgh knee rule (Seaberg 1994): after fall or blunt trauma, a knee radiograph is indicated if the patient cannot walk four weight-bearing steps or is younger than 12 or older than 50. Deterministic published rule with citation. Not a diagnosis; not the Ottawa knee rule.
——$0.005
POST/api/calc/plan
PLAN score (O'Donnell 2012 Arch Intern Med Table 4): preadmission dependence 1.5, cancer 1.5, CHF 1, atrial fibrillation 1, reduced LOC 5, age 1 point per decade (max 10), significant/total arm weakness 2, leg weakness 2, aphasia or neglect 1. Max 25. Bands <10, 10-15, >15. Not a tPA decision and not iScore. magent does not examine the patient.
——$0.005
POST/api/calc/plasma_dosage
Starting plasma volume without major bleeding: volume_ml = 15 * weight_kg (BSH Green 2018). Adult 15 mL/kg only. Not a transfusion order, major-haemorrhage protocol, or product order. magent does not choose a product or ABO group. Deterministic published arithmetic with citation.
——$0.005
POST/api/calc/plasmic
Bendapudi 2017 PLASMIC: seven 1-point items (platelets <30×10^9/L, caller-assigned hemolysis, no active cancer, no solid-organ or stem-cell transplant, MCV <90 fL, INR <1.5, creatinine <2.0 mg/dL), max 7. Bands 0-4 / 5 / 6-7 are pretest groups for severe ADAMTS13 deficiency, not percents or a plasma-exchange order. magent does not assay hemolysis. Cutoffs 30, 90, 1.5, and 2.0 do not score.
——$0.005
POST/api/calc/pmp
Ghanem 2012 Table 5 bedside preoperative mortality predictor. Inpatient 6, sepsis 4, poor functional status (total ADL assistance) 3, disseminated cancer 1, age (≥80 → 2; 70–79 → 1; 65–69 → 0.5; else 0), cardiac 5, pulmonary 3, renal 1, liver 1, chronic steroid 1, >10% weight loss 1, bleeding disorder 1, DNR 1, obesity −1. Range −1 to 30. Figure 3: <1% died in 0–5, 73% in 20–30. Not a go/no-go for surgery.
——$0.005
POST/api/calc/pompe_c
Kline 2012 POMPE-C 30-day mortality probability for active cancer plus acute PE. Logistic from DNR, respiratory distress, unilateral limb swelling, altered mental status, heart rate >99, respiratory rate, room-air SpO2, and weight in pounds (intercept 3.718). Bands: low <=5%, high >50%, else intermediate. Not a PE or cancer diagnosis, not integer points, not a dose.
——$0.005
POST/api/calc/pons
Wischmeyer 2018 PONS: four caller-assigned yes/no flags (BMI <18.5 kg/m² if age ≤65 or <20 if age >65; weight loss >10% in 6 months; oral intake reduced >50% in the past week; preoperative albumin <3.0 g/dL), 1 point each, max 4. high_risk true iff score ≥1. Not a medical device, diet order, or malnutrition diagnosis. magent does not weigh the patient, compute BMI, or assay albumin. Not NRS-2002, NUTRIC, or MUST.
——$0.005
POST/api/calc/possum
Copeland 1991 POSSUM surgical audit: 12 physiologic and 6 operative 1/2/4/8 items (age has no 8; ECG has no 2). Returns physiologic_score, operative_score, and estimated morbidity and mortality percents from the unrounded Copeland logits. Not P-POSSUM (Whiteley), not a diagnosis, not operative consent. magent does not examine the patient.
——$0.005
POST/api/calc/prague
Sharma 2006 Prague C and M. Caller-assigned circumferential c_cm and maximal m_cm (integers 0-20 cm above the gastroesophageal junction). Returns C{c}M{m} (for example C2M5). M must be ≥ C. C=0 is tongues only (no circumferential Barrett). Not a Barrett diagnosis; histology is required. Not Los Angeles oesophagitis grading. magent does not perform endoscopy. Not a medical device.
——$0.005
POST/api/calc/pram
Chalut 2000 Preschool Respiratory Assessment Measure (PRAM): five caller-assigned items — oxygen_sat_points (0/1/2), suprasternal retractions (0/2), scalene contraction (0/2), air_entry (0-3), and wheezing (0-3). magent sums only (max 12) and does not auscultate or measure saturation. Score only; no invented mild/moderate/severe bands. Not a diagnosis and not the Westley 1978 croup score.
——$0.005
POST/api/calc/pre_score
PRE (Pittsburgh Response to Endovascular therapy) score: age + 2×NIHSS - 10×ASPECTS (Rangaraju 2015). Integer PRE, quartiles <0 / 0-24 / 25-49 / >=50, and recanalization-benefit strata <-24 / -24 to 49 / >=50. Not a thrombectomy recommendation. The caller assigns NIHSS and ASPECTS; magent does not assign NIHSS or read CT.
——$0.005
POST/api/calc/precise_dapt
Costa 2017 PRECISE-DAPT nomogram after coronary stenting. Truncated linear points: age (0 at <=50, 19 at >=90), caller CrCl mL/min (0 at >=100, 25 at 0), hemoglobin g/dL (0 at >=12, 15 at <=10), WBC x10^3/uL (0 at <=5, 15 at >=20), plus 26 for previous spontaneous bleeding. Integer score 0-100; high_bleeding_risk if score >=25. Not a DAPT duration order. magent does not compute Cockcroft-Gault.
——$0.005
POST/api/calc/pregnancy_due_dates
Pregnancy estimated due date from a certain LMP using ACOG Committee Opinion 700 Naegele: edd_days_from_lmp = 280 + (cycle_length_days - 28). Inputs are numeric days_since_lmp (0-294) and cycle_length_days (21-35); those bands are magent clamps. Reports gestational_age_days and days_until_edd (negative if past EDD). Not a dating ultrasound. magent does not interpret imaging. Not a delivery date order.
——$0.005
POST/api/calc/preset
Hilder 2017 PRESET-Score: five Table 4 items (MAP mm Hg, lactate mmol/L, arterial pH, platelets k/uL, hospital days pre-ECMO) summed 0-15. Returns class I (0-5, 26% ICU mortality), II (6-9, 68%), or III (10-15, 93%) from the derivation cohort. Deterministic published arithmetic with citation; not a cannulation order; magent does not assay labs. Not RESP or SAVE.
——$0.005
POST/api/calc/prevail
Armstrong 2018 PREVAIL Cox linear predictor for overall survival in chemotherapy-naïve metastatic castration-resistant prostate cancer from albumin, ALP versus ULN, bone metastases under 10, hemoglobin, LDH versus ULN, NLR under 2.5, pain 0-1, liver metastases, ln(PSA), months from diagnosis, and enzalutamide versus placebo. Table 1 HRs as ln(HR). Not a 1-/2-/3-year OS percent (no published S0). magent does not read bone scans. Not a dose or treatment order.
——$0.005
GET/api/calc/prevent
Khan 2024 AHA PREVENT base 10-year total CVD percent (ASCVD plus heart failure) for age 30-79 from sex, lipids, treated systolic BP, diabetes, smoking, eGFR, BMI, antihypertensive, and statin. Sex-specific, race-free Table S12 coefficients. Not 30-year, not ASCVD-only, not HF-only, not 2013 PCE, not SCORE2, not a diagnosis or statin order. magent does not assay lipids.
——$0.005
POST/api/calc/priest
Goodacre 2021 PRIEST: NEWS2 Chart 1 Scale 1 vitals (RR, SpO2 Scale 1 only, oxygen +2, temperature, SBP, HR) + alertness (alert 0; confused_or_not_alert 3) + sex (male 1) + age (16–49→0, 50–65→2, 66–80→3, >80→4) + performance 0–4. Max 29. low_adverse_outcome_risk iff score ≤4. Not NEWS2, not 4C, not an admission order.
——$0.005
POST/api/calc/promise
Psallidas 2018 Table 2A clinical PROMISE for malignant pleural effusion: chemo 0/4, radiotherapy 0/2, haemoglobin g/dL 0-4, WBC 10^9/L 0/2/4/7/10, CRP mg/L 0/3/5/8/11, ECOG 0-1=0 or 2-4=7, cancer mesothelioma 0 / other 4 / lung 5. Groups A 0-20 <25%, B 21-27, C 28-35, D >35 >=75% 3-month mortality. Not TIMP1. Not a treatment order.
——$0.005
POST/api/calc/prs
Lipsett 2022 Pneumonia Risk Score for children 3 months to 18 years: logistic probability of radiographic pneumonia from age, triage oxygen saturation, fever, rales, and wheeze, plus the published supplement integer score 1–6. Caller-assigned findings. Not a diagnosis, not a CXR order, and not adult CURB-65.
——$0.005
POST/api/calc/psad
Benson 1992 PSA density: psa_ng_ml / prostate volume (ml). Volume is length_cm × width_cm × depth_cm × 0.5 (D1×D2×D3×1/2), not π/6. Provide PSA with prostate_volume_ml (1-500) or three dimensions (1-20 cm each), not both. Reports dimensionless psad to 3 decimals and retrospective bands <=0.05, 0.05-0.10, >=0.10. magent does not measure the gland or diagnose cancer. Not a medical device.
——$0.005
POST/api/calc/psadt
Pound 1999 PSA doubling time from two rising PSA values: psadt_months = ln(2) x interval_months / ln(psa2_ng_ml / psa1_ng_ml), 1 decimal. PSA each 0.2-10000 ng/mL; psa2 must exceed psa1; interval_months 0.25-120. Reports the Pound split <=10 vs >10 months (exactly 10.0 is <=10). Two-point first-order kinetics only. magent does not measure PSA. Not a medical device.
——$0.005
POST/api/calc/psc_revised
Kim 2000 revised natural history model for primary sclerosing cholangitis (no histologic stage). R = 0.03*age_years + 0.54*ln(bilirubin_mg_dL) + 0.54*ln(AST_U_L) + 1.24*variceal_bleeding - 0.84*albumin_g_dL. Natural log. Returns R only; does not look up unpublished survival percents or invent risk bands. Not a transplant listing, biopsy order, PSC diagnosis, or lab assay. Not the original Mayo PSC biopsy model.
——$0.005
POST/api/calc/psi_port
Fine 1997 Pneumonia Severity Index (PSI/PORT): Class I if age ≤50 and no neoplastic, liver, CHF, cerebrovascular, or renal disease, no AMS, HR <125, RR <30, SBP >=90, and temperature 35 to <40 C. Otherwise Table 2 points (age, or age-10 if female, plus comorbidity, vital-sign, and laboratory weights) map to classes II-V. Always returns the Table 2 total. Not a medical device and not a site-of-care decision.
——$0.005
POST/api/calc/pss_3
Boudreaux 2015 PSS-3 from four caller-assigned flags: depressed_mood (2-week segue, not in the screen), ideation_2_weeks, lifetime_attempt, and attempt_within_6_months. screen_positive if 2-week ideation or a lifetime attempt within 6 months (ED-SAFE / Boudreaux 2016 Am J Prev Med). Depression is not factored into screening results. magent does not interview the patient. Not a diagnosis. Not C-SSRS. Not a medical device.
——$0.005
POST/api/calc/pts
Pediatric Trauma Score from Tepas 1987: six caller-assigned items (weight, airway, systolic BP, CNS, skeletal, wound), each +2 / +1 / −1, total −6 to +12 (higher is better). Returns score_le_8 because scores ≤8 were associated with significant mortality and trauma-center care. Deterministic published arithmetic with citation; not ISS or RTS; not a triage order. magent does not examine the child.
——$0.005
POST/api/calc/pucai
Turner 2007 pediatric ulcerative colitis activity index (PUCAI): six caller-assigned item points (abdominal pain, rectal bleeding, stool consistency of most stools, stools per 24 hours, nocturnal stools, activity level) using that paper's published integers. magent sums only (max 85) and returns the published activity band (<10 remission, 10-34 mild, 35-64 moderate, ≥65 severe). magent does not examine the child. Not a diagnosis and not the adult Mayo score.
——$0.005
POST/api/calc/puqe
Koren 2002 12-hour PUQE: three caller-assigned integers 1-5 (nausea duration, vomiting episodes, and retching episodes over the last 12 hours as in that paper's table). Sum 3-15. magent does not interview the patient. Koren 2002 published no 3-6 / 7-12 / ≥13 total-score cuts; later 24-hour and trimester-long forms are not scored. Not an antiemetic order and not a medical device.
——$0.005
POST/api/calc/qcsi
Haimovich 2020 qCSI (Table 2 bedside points): RR ≤22 → 0, 23–28 → 1, >28 → 2; SpO2 >92 → 0, 89–92 → 2, ≤88 → 5; O2 ≤2 L/min → 0, 3–4 → 4, 5–6 → 5. Max 12. Lowest SpO2 and nasal-cannula flow as assigned by the caller. Not a COVID-19 diagnosis, triage order, or the 12-variable CSI gradient-boosting model. Derivation excluded >6 L/min. magent does not measure vitals.
——$0.005
GET/api/calc/qids
magent
——$0.005
POST/api/calc/qids
Rush 2003 QIDS-SR16 from 16 caller-assigned integers 0-3 mapped to nine DSM-IV domains. Sleep is the max of four sleep items; appetite/weight is the max of four appetite and weight items; psychomotor is the max of retardation and agitation; remaining items add as published. Total 0-27. Severity: 0-5 none, 6-10 mild, 11-15 moderate, 16-20 severe, 21-27 very_severe. magent does not interpret items or administer a depression interview. Not a diagnosis, not QIDS-C, not IDS-30, and not PHQ-9.
——$0.005
POST/api/calc/qsofa
qSOFA from Seymour 2016: respiratory rate ≥22, caller-assigned altered mentation, and systolic BP ≤100 mm Hg; 1 point each, max 3. Deterministic published score with citation; not a diagnosis of sepsis.
——$0.005
POST/api/calc/qtc
Heart-rate-corrected QT (Bazett or Fridericia). formula is required; magent does not pick one silently. Deterministic published correction with citation.
——$0.005
POST/api/calc/r_factor
CIOMS R factor from ALT, ALP, and laboratory ULNs (Bénichou 1990). R = (ALT/ALT_ULN)/(ALP/ALP_ULN), rounded to 1 decimal, then hepatocellular (R ≥ 5), cholestatic (R ≤ 2), or mixed (2 < R < 5). Deterministic published arithmetic with citation. Not a medical device, not a DILI diagnosis or RUCAM score; magent does not assay enzymes. R is the enzyme pattern only.
——$0.005
POST/api/calc/r_iss
Palumbo 2015 R-ISS for multiple myeloma. ISS from beta-2 microglobulin and albumin (Greipp 2005). R-ISS I: ISS I, standard-risk iFISH CA, and normal LDH. R-ISS III: ISS III plus high-risk CA (del(17p) and/or t(4;14) and/or t(14;16)) or LDH > ULN. R-ISS II: all other combinations. Not a myeloma diagnosis or treatment choice; not R2-ISS; not Durie-Salmon. magent does not assay beta-2 microglobulin, albumin, LDH, or cytogenetics.
——$0.005
POST/api/calc/race
Pérez de la Ossa 2014 Rapid Arterial oCclusion Evaluation (RACE) scale: facial_palsy 0 absent / 1 mild / 2 moderate to severe + arm_motor 0 normal to mild / 1 moderate / 2 severe + leg_motor same + gaze_deviation 0 absent / 1 present + cortical 0-2 (aphasia if right hemiparesis; agnosia if left). Max 9. lvo_suggested true iff score ≥5. Not a stroke diagnosis or transfer order and not a race-based equation. magent does not examine the patient.
——$0.005
POST/api/calc/rads
Oh 2012 radiologist's score (RADS) on one 1-cm axial chest CT slice. Four quadrants (not eight). Each quadrant worst finding: normal 0, interstitial 1, ground_glass 2, consolidation 3. Score 0-12; high when score > 8. Caller-assigned findings only; magent does not interpret CT. Not a diagnosis of inhalation injury. Not a bronchoscopy substitute. Not Endorf AIS inhalation grade. Not Yamamura bronchial wall thickness.
——$0.005
POST/api/calc/rai
Rai 1975 original CLL staging (stages 0-IV). Returns rai_stage 0-4 from caller-assigned lymphadenopathy, hepatosplenomegaly (spleen or liver or both), anemia (Hb <11 g/dL), and thrombocytopenia (platelets <100,000/mm3). Highest applicable: thrombocytopenia 4, else anemia 3, else organomegaly 2, else nodes 1, else 0 (lymphocytosis only). Not a CLL diagnosis; magent does not examine the patient or read a CBC. Not modified Rai. Not Binet (Binet C is Hb <10).
——$0.005
POST/api/calc/ranson
Ranson 1974 pancreatitis score from eleven published signs (five at admission, six at 48 hours) as boolean flags. Returns points 0-11 and mortality band 0-2 / 3-4 / 5-6 / 7-11. Deterministic published arithmetic with citation; not an ICU order.
——$0.005
POST/api/calc/rapid
Rahman 2014 RAPID score for pleural infection: urea (<5=0, 5-8=1, >8=2 mmol/L), age (<50=0, 50-70=1, >70=2), non-purulent fluid 1, hospital-acquired 1, albumin <27 g/L 1; total 0-7 with low/medium/high bands. Deterministic published arithmetic with citation; not a drain or surgery decision and not Light's criteria.
——$0.005
POST/api/calc/rapid_hip
Hevesi 2018 hip RAPID: sex (female 0, male 1) + Tonnis 0/1/2 (0, 2, 3 points; grade 3 invalid) + caller-assigned cam (1 if present). Max 5. Bands 0-1 low, 2-3 intermediate, 4-5 high. High-grade (ALAD 3-4) damage percent only at score 0 (10.5) and 5 (88.0). Not Rahman 2014 pleural RAPID. Not a diagnosis or operative plan. magent does not read radiographs or measure alpha angle.
——$0.005
POST/api/calc/rasp
Vertesi 2003 RASP multiplies exclusive source (A), inoculum type (B), and transmission (C) to Z, then total_risk = (1/Z) × volume (D). Table 2: <1/1000 definitely indicated; 1/1000–1/10 000 recommended but optional; 1/10 001–1/100 000 optional but not recommended; >1/100 000 not indicated. Average Canadian community prevalence is baked into the scores. Caller-assigned tokens. Not a PEP order. magent does not interpret the source patient.
——$0.005
POST/api/calc/rass
Richmond Agitation-Sedation Scale (RASS, Sessler 2002) as assigned by the caller: integer -5 to +4 with the published term and description (Combative through Unarousable). magent does not observe the patient, administer voice or physical stimulation, or titrate sedation. Not a CAM-ICU feature, not a CAM-ICU administration, and not a sedation order or dose.
——$0.005
POST/api/calc/rbc_abo
AABB Standards 28th ed. Standard 5.14 RBC ABO/Rh compatibility from caller-assigned recipient and unit ABO (o, a, b, ab) and RhD (positive, negative). Group O RBCs to O/A/B/AB; A to A/AB; B to B/AB; AB to AB. RhD-negative units to either RhD; RhD-positive units only to RhD-positive recipients. Not a transfusion order. magent does not type blood. Does not encode emergency RhD-positive-to-negative exceptions, plasma, or platelets.
——$0.005
POST/api/calc/rcri
Lee 1999 revised cardiac risk index: six 1-point factors (high-risk surgery, ischemic heart disease, heart failure, cerebrovascular disease, insulin diabetes, creatinine >2.0 mg/dL) and class I–IV. Deterministic published arithmetic with citation; not operative clearance.
——$0.005
POST/api/calc/rcvs2
Rocha 2019 RCVS2 score from five caller-assigned items: recurrent or single thunderclap headache (+5), intracranial ICA involvement (-2), vasoconstrictive trigger (+3), female sex (+1), subarachnoid hemorrhage (+1). Range -2 to 10. Score >=5 supports RCVS; <=2 against; 3-4 equivocal. magent does not read angiograms. Not a diagnosis and not PACNS treatment advice. Not a medical device.
——$0.005
POST/api/calc/rdos
Campbell 2010 RDOS for patients unable to self-report dyspnea. Eight caller-assigned 0-2 integers (heart_rate, respiratory_rate, restlessness, paradoxical_breathing, accessory_muscle_use, grunting, nasal_flaring, look_of_fear). magent sums only (max 16); does not convert raw heart or respiratory rate or observe the patient. Campbell 2010 published the 0-16 instrument; magent does not apply later cutoff papers. Not a medical device and not an opioid or oxygen order.
——$0.005
POST/api/calc/reach_b
Yang 2011 REACH-B 17-point HCC risk (non-cirrhotic REVEAL-HBV). Sex female 0, male 2; age 30-65 (30-34 0 through 60-65 6); ALT U/L <15 0, 15-44 1, >=45 2; HBeAg positive 2; HBV DNA copies/mL <10000 0, 10000-99999 3, 100000-999999 5, >=1000000 4. Returns score 0-17 and published 3/5/10-year percents. Not a diagnosis, not a biopsy, not for cirrhosis. magent does not assay ALT or HBV DNA.
——$0.005
POST/api/calc/readmits
Nguyen 2018 first-day AMI READMITS integer score for 30-day all-cause readmission: creatinine >2 mg/dL (6), elevated BNP >=50 or NT-proBNP >=125 pg/mL (8), 1 point per decade over 18, diabetes (4), female sex (2), no PCI within 24 hours (1), SBP <100 mm Hg (3). Table 4 quintiles with mean predicted risk. Not a medical device, not a PCI or discharge order, and not the full-stay model.
——$0.005
POST/api/calc/rebound_hyperbilirubinemia
Chang 2017 three-variable rebound hyperbilirubinemia score: +15 if GA <38 weeks, −7 × age at phototherapy start in days, −4 × (caller AAP phototherapy threshold − TSB at termination), +50. Scores <20 correspond to a <4% chance of TSB returning to threshold within 72 hours. magent does not assay bilirubin or compute the AAP nomogram. Not Chang 2019. Not a phototherapy order.
——$0.005
POST/api/calc/regiscar
Kardaun 2007 RegiSCAR DRESS scoring letter from ten caller-assigned items (sum -4 to 9). Bands: <2 none, 2-3 possible, 4-5 probable, >=6 definite. Not a DRESS diagnosis, not SCORTEN, not J-SCAR. magent does not count eosinophils or read a biopsy. Biopsy unknown is not offered. Not a medical device.
——$0.005
POST/api/calc/reid_rci
Reid 1985 four-sign colposcopic index: four caller-assigned 0-2 items (margin, color, vessels, iodine; max 8). band 0-2 low_grade (HPV or CIN I), 3-5 intermediate (CIN I or CIN II), or 6-8 high_grade (CIN II or CIN III). magent does not look through a colposcope and does not recompute iodine from the first three signs. Not a CIN diagnosis or biopsy order.
——$0.005
POST/api/calc/rema
Álvarez-Twose 2012 REMA: male +1, female −1; serum baseline tryptase <15 μg/L −1, 15–25 0, >25 +2; pruritus, hives or angioedema present −2, absent +1; syncope or presyncope +3. Range −4 to +7. Clonality likely iff score ≥2. Caller assigns sex, sBt, cutaneous signs, and syncope. Not a medical device, not a diagnosis of SM, not WHO SM criteria. magent does not assay tryptase.
——$0.005
POST/api/calc/rems
REMS from Olsson 2004 Table 1: MAP, heart rate, respiratory rate, SpO2, GCS (RAPS 0–4, not 15−GCS), and age summed to a 0–26 total for nonsurgical adult ED in-hospital mortality. Deterministic published arithmetic with citation; not MEWS, NEWS, or APACHE II; not an ICU-admission order.
——$0.005
POST/api/calc/renal_nephrometry
Kutikov 2009 R.E.N.A.L. nephrometry. Caller-assigned radius le_4 1 / gt_4_lt_7 2 / ge_7 3 (cm); exophytic ge_50 1 / lt_50 2 / entirely_endophytic 3; nearness ge_7 1 / gt_4_lt_7 2 / le_4 3 (mm); location entirely_polar 1 / crosses_polar 2 / gt_50_midline_or_between 3. Anterior a|p|x and hilar suffix h are descriptors, not points. Sum 4-12. No published complexity bands. Not PADUA. Not STONE nephrolithometry. magent does not read CT. Not a medical device. Not a nephrectomy order.
——$0.005
POST/api/calc/rescue_ihca
Tonna 2022 RESCUE-IHCA Table 2 integer score for in-hospital death after adult ECPR. Age 2 + 2 per 10 years after 20. Renal +8. Time: day 0, evening +4, night +13. Illness: medical noncardiac 0, medical cardiac -2, surgical noncardiac -6, surgical cardiac -11. Rhythm: asystole 0, PEA -1, pVT -5, VF -8, palpable pulse -5. Duration +2 per 10 min. Table 2 min -17. Integer score only. Not an ECPR order.
——$0.005
POST/api/calc/resect_90
Taylor 2021 RESECT-90 logistic 90-day mortality after lung resection from age, sex, ECOG, percent predicted DLCO, BMI, creatinine (umol/L), anaemia, arrhythmia, laterality, thoracotomy vs VATS, diagnosis, and resected segments. Returns logit and estimated_mortality_percent. Not a medical device, not an operative go/no-go, and not a published cutoff. magent does not assign ECOG or read spirometry.
——$0.005
POST/api/calc/resp
Schmidt 2014 RESP Table 3 (-22 to 15): age 18-49 0, 50-59 -2, >=60 -3; immunocompromised -2; MV lt_48h +3, h48_to_7d +1, gt_7d 0; one diagnosis (viral/bacterial pneumonia +3, asthma +11, trauma_burn +3, aspiration_pneumonitis +5, other acute +1, nonrespiratory 0); CNS -7; nonpulmonary infection -3; NMB +1; NO -1; bicarbonate -2; arrest -2; PaCO2 >=75 -1; PIP >=42 -1. Class I >=6 92%, II 3-5 76%, III -1 to 2 57%, IV -5 to -2 33%, V <=-6 18%. Not an ECMO order.
——$0.005
POST/api/calc/rest_lgs
Wolf 2024 REST-LGS: four major criteria (+3 each) and four minor (+1 each). Max 16. likely if score > 11, possible if 8-11, unlikely if < 8. Caller-assigned flags only; magent does not read EEG. Screening, not a diagnosis of Lennox-Gastaut syndrome. Not the 2019 CRF count threshold.
——$0.005
POST/api/calc/reticulocyte_index
Corrected reticulocyte count (retic% × Hct/45), Hillman 1969 maturation-shift reticulocyte index, and optional absolute reticulocyte count. Deterministic published arithmetic with citation; not a marrow diagnosis.
——$0.005
POST/api/calc/reveal_pah
Benza 2019 REVEAL 2.0: start at 6; add published points for etiology (CTD +1, PoPH +3, heritable +2), male >60, renal insufficiency, WHO FC, 6-month hospitalization, SBP <110, HR >96, 6MWD, BNP/NT-proBNP, pericardial effusion, DLCO <40%, mRAP >20, and PVR <5. Returns low (0-6), intermediate (7-8), or high (>=9) 12-month mortality. Caller-assigned; not a PAH diagnosis or dose. Not REVEAL 1.0 or Lite 2.
——$0.005
POST/api/calc/revised_geneva
Revised Geneva score (Le Gal 2006) for suspected PE in the emergency department: age >65 (1), previous DVT or PE (3), surgery or lower-limb fracture within 1 month (2), active malignancy (2), unilateral lower-limb pain (3), hemoptysis (2), heart rate 75-94 (3) or >=95 (5), pain on deep-vein palpation and unilateral edema (4). Max 22. Bands 0-3, 4-10, and 11-22. Not a diagnosis, not simplified Geneva, and not Wells.
——$0.005
POST/api/calc/reynolds
Ridker JAMA 2007 Reynolds Risk Score, women Model B only: 10-year CVD percent from age, SBP, hsCRP, total cholesterol, HDL-C, HbA1c if diabetic, current smoking, and parental MI before 60. Natural-log Box formula. Not men (Ridker 2008), not ATP-III, not 2013 PCE, not a diagnosis or statin order. magent does not assay lipids or hsCRP.
——$0.005
POST/api/calc/rfm
Relative fat mass (RFM) from height, waist, and sex (Woolcott 2018). Height and waist in meters in the paper; magent accepts height_cm or height_in and waist_cm. Deterministic published arithmetic with citation. Not a medical device, not a body-fat diagnosis, and not later obesity cutoffs. magent does not measure the patient.
——$0.005
POST/api/calc/rhig
ACOG Practice Bulletin 181 RhD immune globulin vial arithmetic. fmh_ml = fetal_cells_percent/100 * maternal_blood_volume_ml. One 300 microgram vial covers 30 mL Rh D-positive fetal whole blood. AABB Technical Manual rounding: if frac(fmh_ml/30) >= 0.5 round up then add one vial; if < 0.5 round down then add one. Minimum 1 vial. Caller assigns Kleihauer–Betke percent and maternal volume; magent does not read slides. Not a prescription or brand order.
——$0.005
POST/api/calc/rhmp_30
de Jong 2025 Rotterdam Hip Fracture Mortality Prediction-30 Days (RHMP-30) LASSO logit from age, sex (published female coefficient, not race), albumin g/L, dementia, Katz-ADL total 0-6, ASA 4, and nursing-home residence. Returns logit and estimated_mortality_percent from the unrounded logit. Not an operative vs nonoperative order. magent does not assign ASA or Katz.
——$0.005
POST/api/calc/ribs
Buchholz 2023 Revised Intensity Battle Score: 2.275 per fractured rib level, 4.08 chest tube, 1.525 pulmonary contusions, 2.83 COPD, 8.137 when GCS <15, rounded to an integer. Age is not a component. Published ICU triage cutoff 12. Not Chapman 2016 RibScore and not Battle 2014 STUMBL. magent does not count ribs or compute GCS. Deterministic published arithmetic with citation; not a diagnosis or surgical plan.
——$0.005
POST/api/calc/ribscore
Chapman 2016 RibScore from six caller-assigned radiographic flags (≥6 rib fractures, bilateral, flail chest, ≥3 severely bicortical displaced, first rib, and all three anatomic areas). 1 point each, total 0-6. Associated linearly with pneumonia, respiratory failure, and tracheostomy. magent does not read a CT. Deterministic published arithmetic with citation; not a named risk class.
——$0.005
POST/api/calc/riete
Ruiz-Giménez 2008 RIETE score for 3-month major bleeding after documented acute VTE. Six caller-assigned flags: recent major bleeding (2), creatinine >1.2 mg/dL (1.5), anemia (1.5), cancer (1), clinically overt PE (1), age >75 (1); max 8. Low 0 (0.3%), intermediate 1–4 (2.6%), high >4 (7.3%) in derivation; validation 0.1%/2.8%/6.2%. Not a VTE diagnosis or bleed-treatment protocol. magent does not assay hemoglobin or creatinine.
——$0.005
POST/api/calc/rifle
RIFLE 2004 (Bellomo Fig. 1) class from baseline and current creatinine in mg/dL and a caller-assigned urine-output category. Class is the worse of the two limbs; persistent ARF >4 weeks is Loss and >3 months is ESRD. magent does not assay creatinine, measure urine, or estimate baseline with MDRD. Not a medical device, not a diagnosis, not AKIN 2007, and not KDIGO 2012.
——$0.005
POST/api/calc/rip
Hevesi 2019 Recurrent Instability of the Patella (RIP) after first-time dislocation. Age <25 scores 2; skeletal immaturity / open physes 1; trochlear dysplasia Dejour A–D (caller-assigned present) 1; TT-TG/PL ratio ≥0.5 scores 1. Max 5. Bands 0–1 low, 2–3 intermediate, 4+ high (10-year recurrent instability 0.0%, 30.6%, 79.2%). Not a surgical order. Not Balcarek 2013 or later PIP models. magent does not read radiographs.
——$0.005
POST/api/calc/ripasa
Chong 2010 RIPASA score from 15 caller-assigned findings (half-points; max 16). Age <40 scores 1.0, ≥40 scores 0.5; male 1.0, female 0.5; symptoms <48h 1.0, otherwise 0.5. Guarding and Rovsing 2.0 each. Fever, raised WCC, and foreign NRIC are caller-assigned; magent does not apply a °C or WBC cutoff. Derivation ROC: <7.5 below_cutoff, ≥7.5 at_or_above_cutoff. Not a diagnosis or operating-room protocol. magent does not examine the abdomen.
——$0.005
POST/api/calc/riske
Olmos 2017 RISK-E (Risk-Endocarditis) for in-hospital mortality after cardiac surgery in active left-sided IE. Age <=51: 0; 52-63: 9; 64-72: 13; >=73: 14. Flags: prosthetic_infection +6, periannular_complications +5, staphylococcus_aureus_or_fungi +9, acute_renal_failure +5, septic_shock +7, cardiogenic_shock +15, thrombocytopenia +7. Returns score and max_score 68 only. Not a diagnosis or surgery decision. magent does not examine the valve or read echo.
——$0.005
POST/api/calc/rmi
Jacobs 1990 risk of malignancy index: RMI = U × M × CA125 (U/ml). Caller assigns ultrasound_score 0, 1, or 3 (never 2) and postmenopausal (M=3 if true, else 1). Returns rmi to 1 decimal and exceeds_200 (true if RMI > 200). Not an ovarian-cancer diagnosis and not later RMI-2 or RMI-3.
——$0.005
POST/api/calc/rochester
Dagan 1985 Rochester criteria. Low-risk only if the infant is younger than 3 months (age_days 0-89) and every caller-assigned finding holds: previously healthy term infant, well appearing, no ear/soft-tissue/skeletal infection, WBC 5000-15000/mm3 inclusive, absolute band count <1500/mm3, UA <=10 WBC/hpf, and stool <=5 WBC/hpf if diarrhea. Returns low_risk. magent does not examine the infant. Not Boston, Philadelphia, or PECARN febrile infant 2021. Not a medical device and not a discharge order.
——$0.005
POST/api/calc/rockall
Rockall 1996 complete (post-endoscopy) score after acute upper GI haemorrhage: age <60 0, 60-79 1, >=80 2; shock SBP<100 2 (hypotension; tachycardia not added), else HR>=100 1, else 0; comorbidity none 0, cardiac 2, renal/liver/metastatic 3; diagnosis none or mallory_weiss 0, other 1, malignancy 2; stigmata none_or_spot 0, blood_clot_vessel 2. Max 11. Not pre-endoscopy-only Rockall, AIMS65, or GBS. Caller assigns comorbidity, diagnosis, and stigmata.
——$0.005
POST/api/calc/rockall_pre
Rockall 1996 pre-endoscopy (admission) score after acute upper GI haemorrhage: age <60 0, 60-79 1, >=80 2; shock SBP<100 2 (hypotension; tachycardia not added), else HR>=100 1, else 0; comorbidity none 0, cardiac (failure, IHD, or any major) 2, renal/liver/metastatic 3. Max 7. Not complete Rockall, AIMS65, or GBS. Caller assigns comorbidity.
——$0.005
POST/api/calc/rome_ii_ibs
Thompson 1999 Rome II IBS. rome_ii_ibs is true iff at least 12 weeks (need not be consecutive) in the preceding 12 months of abdominal discomfort or pain and at least two of: relieved with defecation, onset associated with a change in stool frequency, and onset associated with a change in stool form. supporting_features_met is 0-3. Caller assigns four flags. magent does not examine the patient. Not a diagnosis, not Rome III, not Rome IV, not Manning, not IBS subtype.
——$0.005
POST/api/calc/rome_iii_ibs
Longstreth 2006 Rome III IBS. rome_iii_ibs is true iff pain or discomfort at least 3 days per month in the last 3 months, onset at least 6 months prior, and at least two of: improvement with defecation, change in stool frequency, and change in stool form. supporting_features_met is 0-3. Caller assigns five flags. magent does not examine the patient. Not a diagnosis, not Rome IV, not IBS subtype.
——$0.005
POST/api/calc/rome_iv_belching
Stanghellini 2016 Rome IV belching disorders (B2). rome_iv_belching is true iff bothersome (severe enough to impact usual activities) belching from the esophagus or stomach more than 3 days a week, last-3-months criteria, 6-month onset, and belching_origin supragastric (B2a) or gastric (B2b). magent does not measure impedance or take a history. Not a diagnosis, not adult aerophagia, not child H1d aerophagia, not bloating, not FD.
——$0.005
POST/api/calc/rome_iv_biliary_pain
Cotton 2016 Rome IV E1 biliary pain. rome_iv_biliary_pain is true iff epigastric or RUQ pain builds to a 30-min steady level, occurs at different intervals (not daily), interrupts activities or leads to an ED visit, and is not significantly related to bowel movements or relieved by posture or acid suppression. Supportive flags reported, not required. magent does not examine the patient or read ultrasound, HIDA, or ERCP. Not a diagnosis, not functional gallbladder, not biliary or pancreatic SOD.
——$0.005
POST/api/calc/rome_iv_biliary_sod
Cotton 2016 Rome IV E1b functional biliary SOD (former SOD type II). rome_iv_biliary_sod iff six E1 biliary-pain flags, enzymes XOR dilated bile duct, and no stones or other structural abnormalities. Type I (both findings) is organic stenosis, not this box. Type III (neither) is not this box. Supportive amylase/lipase, manometry, and scintigraphy are reported, not required. magent does not read labs, imaging, manometry, or ERCP. Not a diagnosis, not pancreatic SOD, not functional gallbladder.
——$0.005
POST/api/calc/rome_iv_bloating
Mearin 2016 Rome IV C4 bloating/distension. rome_iv_bloating is true iff last-3-months criteria with 6-month onset, recurrent bloating or distension ≥1 day/week that predominates, and insufficient criteria for IBS, functional constipation, functional diarrhea, or PDS. Caller assigns three flags. magent does not examine the patient. Not a diagnosis. Adult C4 only. Not child, not IBS, not functional constipation, not functional diarrhea, not PDS or functional dyspepsia.
——$0.005
POST/api/calc/rome_iv_caps
Keefer 2016 Rome IV CAPS (formerly FAPS). rome_iv_caps is true iff continuous or nearly continuous abdominal pain, no or only occasional relationship with eating, defecation, or menses, pain limits daily functioning, pain is not feigned, not explained by another GI or medical condition, last-3-months criteria, and 6-month onset. Psychosocial comorbidity is copy-only. magent does not examine or judge feigning beyond the caller flag. Not a diagnosis, not IBS, not narcotic bowel syndrome.
——$0.005
POST/api/calc/rome_iv_chest_pain
Aziz 2016 Rome IV functional chest pain. rome_iv_chest_pain is true iff retrosternal chest pain or discomfort, no associated heartburn or dysphagia, not explained by GERD or eosinophilic esophagitis, no major esophageal motor disorder, last-3-months criteria, and 6-month onset. Caller assigns six flags, including cardiac rule-out. magent does not examine the patient, rule out ACS, or read manometry. Not a diagnosis, not functional heartburn, not reflux hypersensitivity, not globus.
——$0.005
POST/api/calc/rome_iv_child_abdominal_migraine
Hyams 2016 Rome IV H2c. rome_iv_child_abdominal_migraine is true iff paroxysmal intense periumbilical, midline, or diffuse pain lasting 1 hour or more, episodes weeks to months apart, incapacitating stereotypical pain, associated_features_met at least 2 (anorexia, nausea, vomiting, headache, photophobia, pallor), not explained by another condition, and 6-month fulfillment. Count 0-6. magent does not examine the child. Not a diagnosis. Not child CVS. Not adult migraine scores.
——$0.005
POST/api/calc/rome_iv_child_aerophagia
Hyams 2016 Rome IV H1d child aerophagia. True iff air swallowing, distention from intraluminal air that increases during the day, repetitive belching and/or increased flatus, not another condition, and 2-month duration. All three symptom criteria required. Not adult belching disorders or infant regurgitation. Caller assigns five flags. magent does not examine the patient. Not a diagnosis.
——$0.005
POST/api/calc/rome_iv_child_constipation
Hyams 2016 Rome IV H3a. rome_iv_child_constipation is true iff developmental_age_at_least_4_years, duration_at_least_1_month, features_met >= 2, insufficient_criteria_for_ibs, and not_explained_by_another_condition. features_met always counts all six H3a flags (no G7 toilet-trained extras). Weekly frequency is folded into those flags. Caller assigns flags including large_fecal_mass_in_rectum. magent does not examine the child. Not a diagnosis, not infant G7, not adult Rome IV FC.
——$0.005
POST/api/calc/rome_iv_child_cvs
Hyams 2016 Rome IV H1a child/adolescent cyclic vomiting. rome_iv_child_cvs is true iff two_or_more_periods_intense_nausea_paroxysmal_vomiting_hours_to_days_within_6_months, episodes_stereotypical, episodes_separated_weeks_to_months_with_return_to_baseline, and not_attributed_to_another_condition. Caller assigns four flags. magent does not examine the child. Not a diagnosis, not neonate/toddler G3, not adult Rome IV CVS, not cannabinoid hyperemesis.
——$0.005
POST/api/calc/rome_iv_child_dyspepsia
Hyams 2016 Rome IV H2a. True iff bothersome ≥4 days/month, symptoms_met ≥1 of 3 (postprandial fullness, early satiation, epigastric pain or burning not associated with defecation), exclusion, and 2-month duration. Item 4 is the exclusion, not a fourth symptom. PDS and EPS supportive features are copy-only. Caller assigns six flags. magent does not examine the child or parse EGD. Not a diagnosis. Not adult Rome IV FD.
——$0.005
POST/api/calc/rome_iv_child_fap_nos
Hyams 2016 Rome IV H2d child FAP-NOS. rome_iv_child_fap_nos is true iff episodic_or_continuous_abdominal_pain_not_solely_during_physiologic_events, pain_at_least_4_times_per_month, insufficient_criteria_for_ibs_fd_or_abdominal_migraine, not_explained_by_another_condition, and fulfilled_at_least_2_months. Caller assigns five flags including the IBS/FD/abdominal-migraine residual. magent does not re-run those tools. Not a diagnosis, not adult CAPS, not FAPS (dropped in Rome IV).
——$0.005
POST/api/calc/rome_iv_child_fecal_incontinence
Hyams 2016 Rome IV H3b. rome_iv_child_fecal_incontinence is true iff developmental_age_older_than_4_years, duration_at_least_1_month, defecation_into_places_inappropriate_to_sociocultural_context, no_evidence_of_fecal_retention, and not_explained_by_another_condition. Item 2 is exclusion of fecal retention, not a symptom count. Duration is 1 month. Caller assigns five flags. magent does not examine the child. Not a diagnosis, not H3a functional constipation, not adult Rao 2016 F1.
——$0.005
POST/api/calc/rome_iv_child_ibs
Hyams 2016 Rome IV H2b. rome_iv_child_ibs is true iff pain at least 4 days per month, stool_features_met >= 1, pain_does_not_resolve_with_constipation_treatment, not another condition, and 2-month duration. stool_features_met (0-3) counts related_to_defecation, change_in_stool_frequency, and change_in_stool_form. Caller assigns seven flags. magent does not examine the patient. Not a diagnosis. Not adult Rome IV IBS, not child functional constipation, not IBS-C/D/M/U subtype.
——$0.005
POST/api/calc/rome_iv_child_nausea_vomiting
Hyams 2016 Rome IV H1b. Functional nausea iff 2-month duration plus bothersome_nausea_twice_weekly_not_meal_related, nausea_not_consistently_associated_with_vomiting, and nausea_not_explained_by_another_condition. Functional vomiting iff 2-month duration plus vomiting_at_least_weekly, no_self_induced_eating_disorder_or_rumination, and vomiting_not_explained_by_another_condition. Both may be true. magent does not examine the child. Not a diagnosis, not H1a, CNVS, H1c, or neonate/toddler.
——$0.005
POST/api/calc/rome_iv_child_rumination
Hyams 2016 Rome IV H1c child rumination. rome_iv_child_rumination is true iff repeated_regurgitation_rechewing_or_expulsion_soon_after_meals, does_not_occur_during_sleep, not_preceded_by_retching, not_explained_by_another_condition_or_eating_disorder, and fulfilled_at_least_2_months. GERD-treatment failure and weekly frequency are not required. Manometry is not parsed. Caller assigns five flags. magent does not observe regurgitation. Not a diagnosis, not adult Rome IV rumination, not neonate G2.
——$0.005
POST/api/calc/rome_iv_chs
Stanghellini 2016 Rome IV CHS. rome_iv_chs is true iff stereotypical episodic vomiting resembling CVS, presentation after prolonged excessive cannabis use, relief with sustained cannabis cessation, criteria fulfilled for the last 3 months, and onset at least 6 months prior. pathologic_bathing is supportive and not required. Caller assigns six flags. magent does not take a cannabis history. Not a diagnosis, not cyclic vomiting syndrome.
——$0.005
POST/api/calc/rome_iv_cnvs
Stanghellini 2016 Rome IV chronic nausea vomiting syndrome (CNVS, B3a). rome_iv_cnvs is true iff bothersome nausea at least 1 day per week and/or one or more vomiting episodes per week as one flag, self-induced vomiting eating disorders regurgitation and rumination excluded, no organic systemic or metabolic explanation including at upper endoscopy, last-3-months criteria, and 6-month onset. magent does not take a history or read endoscopy. Not a diagnosis, not CVS, not CHS, not rumination.
——$0.005
POST/api/calc/rome_iv_cvs
Stanghellini 2016 Rome IV adult CVS B3b. rome_iv_cvs is true iff stereotypical acute vomiting episodes lasting <1 week, ≥3 discrete episodes in the prior year and 2 in 6 months at least 1 week apart, absence of vomiting between episodes, last-3-months criteria, and 6-month onset. migraine_history is supportive and not required. Caller assigns eight flags. magent does not examine the patient. Not a diagnosis, not CHS, not pediatric CVS, not Rome IV IBS.
——$0.005
POST/api/calc/rome_iv_diarrhea
Mearin 2016 Rome IV C3 functional diarrhea. rome_iv_diarrhea is true iff last-3-months criteria with 6-month onset, loose or watery stools without predominant abdominal pain or bothersome bloating in >25% of stools, and insufficient criteria for diarrhea-predominant IBS. Caller assigns three flags. magent does not examine the patient. Not a diagnosis. Adult C3 only. Not child G5, not IBS-D, not Rome IV IBS, not Manning, not functional constipation.
——$0.005
POST/api/calc/rome_iv_fc
Mearin 2016 Rome IV C2 FC. rome_iv_fc is true iff last-3-months criteria with 6-month onset, at least 2 of 6 symptoms (straining, lumpy/hard stools, incomplete evacuation, anorectal obstruction, manual maneuvers, fewer than 3 SBM/week), loose stools rare without laxatives, and insufficient IBS criteria. symptom_count is 0-6. Caller assigns nine flags. magent does not examine the patient. Not a diagnosis, not Rome IV IBS, not Manning, not opioid-induced or child constipation.
——$0.005
POST/api/calc/rome_iv_fd
Stanghellini 2016 Rome IV B1 FD. rome_iv_fd is true iff last-3-months criteria with 6-month onset, no structural disease likely to explain symptoms, and PDS (B1a) and/or EPS (B1b). pds iff fullness and/or early satiation >=3 days/week. eps iff epigastric pain and/or burning >=1 day/week. Overlap allowed. Caller assigns six flags. magent does not examine the patient. Not a diagnosis, not Rome III dyspepsia, not Rome IV IBS.
——$0.005
POST/api/calc/rome_iv_fecal_incontinence
Rao 2016 Rome IV fecal incontinence. rome_iv_fecal_incontinence is true iff recurrent uncontrolled passage of fecal material, developmental age at least 4 years, last-3-months criteria, and 6-month onset. The research 2–4 episodes in 4 weeks frequency remark is copy-only and not parsed. magent does not examine the patient or read manometry. Not a diagnosis, not pediatric nonretentive fecal incontinence (H3b), not Wexner constipation score.
——$0.005
POST/api/calc/rome_iv_functional_defecation
Rao 2016 Rome IV F3. rome_iv_functional_defecation is true iff FC and/or IBS-C, at least two of three evacuation tests (balloon expulsion, manometry or anal surface EMG, imaging), last-3-months criteria, and 6-month onset. evacuation_tests_met is 0-3. magent does not perform those tests. Not a diagnosis. Not F3a or F3b as separate diagnoses.
——$0.005
POST/api/calc/rome_iv_functional_dysphagia
Aziz 2016 Rome IV functional dysphagia. rome_iv_functional_dysphagia is true iff sense of food sticking or passing abnormally, no mucosal or structural abnormality, not explained by GERD or eosinophilic esophagitis, no major esophageal motor disorder, last-3-months criteria, and 6-month onset. Caller assigns six flags. magent does not read barium, endoscopy, or manometry. Not a diagnosis, not globus, not oropharyngeal dysphagia. Minor or borderline motor disorders remain compatible.
——$0.005
POST/api/calc/rome_iv_functional_gallbladder
Cotton 2016 Rome IV E1a functional gallbladder disorder. rome_iv_functional_gallbladder is true iff nested E1 biliary pain and absence of gallstones or other structural pathology. low_ef_on_gallbladder_scintigraphy and normal_liver_enzymes_conjugated_bilirubin_amylase_lipase are supportive and not required. Caller assigns nine flags. magent does not read ultrasound, EUS, or HIDA or decide cholecystectomy. Not a diagnosis, not biliary SOD, not pancreatic SOD.
——$0.005
POST/api/calc/rome_iv_globus
Aziz 2016 Rome IV esophageal globus. rome_iv_globus is true iff nonpainful lump or foreign-body sensation, occurrence between meals, no dysphagia or odynophagia, no gastric inlet patch, not explained by GERD or EoE, no major esophageal motor disorder, last-3-months criteria, and 6-month onset. Caller assigns eight flags. magent does not examine the patient or read endoscopy. Not a diagnosis, not functional heartburn, not Rome IV IBS, not CHS.
——$0.005
POST/api/calc/rome_iv_heartburn
Aziz 2016 Rome IV functional heartburn. rome_iv_heartburn is true iff burning retrosternal discomfort, no relief despite optimal antisecretory therapy, not explained by GERD or eosinophilic esophagitis, no major esophageal motor disorder, last-3-months criteria, and 6-month onset. Caller assigns six flags. magent does not prescribe PPI or read pH-impedance. Not a diagnosis, not globus, not reflux hypersensitivity, not Rome IV IBS.
——$0.005
POST/api/calc/rome_iv_ibs
Mearin 2016 Rome IV IBS. rome_iv_ibs is true iff recurrent abdominal pain at least 1 day per week in the last 3 months, onset at least 6 months prior, and at least two of: related to defecation, change in stool frequency, and change in stool form. supporting_features_met is 0-3. Caller assigns five flags. magent does not examine the patient. Not a diagnosis, not Rome III, not IBS subtype.
——$0.005
POST/api/calc/rome_iv_infant_colic
Benninga 2016 Rome IV G4 infant colic (clinical). rome_iv_infant_colic is true iff the infant is less than 5 months of age when symptoms start and stop, recurrent prolonged crying, fussing, or irritability without obvious cause that caregivers cannot prevent or resolve, and no evidence of failure to thrive, fever, or illness. Research 3-hour/diary criteria are not parsed. Caller assigns three flags. magent does not examine the infant. Not a diagnosis.
——$0.005
POST/api/calc/rome_iv_infant_constipation
Benninga 2016 Rome IV G7. rome_iv_infant_constipation is true iff duration_at_least_1_month and features_met >= 2. features_met always counts five core flags; if toilet_trained also counts incontinence after toileting and stools that may obstruct the toilet. Caller assigns flags including large_fecal_mass_in_rectum. magent does not examine the infant. Not a diagnosis, not adult Rome IV FC, not child H3a.
——$0.005
POST/api/calc/rome_iv_infant_diarrhea
Benninga 2016 Rome IV G5 Functional Diarrhea. rome_iv_infant_diarrhea is true iff daily_painless_recurrent_4_or_more_large_unformed_stools, symptoms_last_more_than_4_weeks, onset_between_6_and_60_months, and no_failure_to_thrive_if_caloric_intake_adequate. Rome IV is 4 or more stools (not Rome III's 3). Sleep-stool criterion was dropped and is not a flag. Caller assigns four flags. magent does not examine the child. Not a diagnosis, not adult Rome IV diarrhea, not a malabsorption workup.
——$0.005
POST/api/calc/rome_iv_infant_dyschezia
Benninga 2016 Rome IV G6 infant dyschezia. rome_iv_infant_dyschezia is true iff infant_less_than_9_months, straining_and_crying_at_least_10_minutes_before_soft_stools, and no_other_health_problems. Caller assigns three flags. magent does not examine the infant. Not a diagnosis, not infant functional constipation, not adult Rome IV FC.
——$0.005
POST/api/calc/rome_iv_infant_regurgitation
Benninga 2016 Rome IV G1 infant regurgitation. rome_iv_infant_regurgitation is true iff otherwise_healthy_infant_3_weeks_to_12_months, regurgitation_at_least_twice_daily_for_3_or_more_weeks, and no_retching_hematemesis_aspiration_apnea_ftt_feeding_swallowing_or_abnormal_posturing. magent does not examine the infant. Not a diagnosis, not GERD, not rumination, not child or adolescent Rome IV.
——$0.005
POST/api/calc/rome_iv_levator_ani
Rao 2016 Rome IV levator ani syndrome. rome_iv_levator_ani is true iff chronic or recurrent rectal pain or aching, episodes lasting 30 minutes or longer, tenderness during puborectalis traction (caller assigns; magent does not perform traction), other causes of rectal pain excluded, last-3-months criteria, and 6-month onset. Not a diagnosis, not proctalgia fugax, not unspecified functional anorectal pain (F2b).
——$0.005
POST/api/calc/rome_iv_nbs
Keefer 2016 Rome IV NBS (D2). rome_iv_nbs is true iff chronic or frequently recurring abdominal pain on narcotics, pain not explained by a GI diagnosis, at least two of three NBS features, last-3-months criteria, and 6-month onset. nbs_features_met is 0-3. Caller assigns seven flags. ~75 mg oral morphine equivalent is copy-only. magent does not examine the patient or judge opioid dose. Not a diagnosis, not CAPS, not opioid-induced constipation.
——$0.005
POST/api/calc/rome_iv_oic
Mearin 2016 Rome IV C6 OIC. rome_iv_oic is true iff new or worsening constipation when initiating, changing, or increasing opioid therapy, at least 2 of 6 symptoms (straining, lumpy/hard stools, incomplete evacuation, anorectal obstruction, manual maneuvers, fewer than 3 SBM/week), and loose stools rare without laxatives. symptom_count is 0-6. Caller assigns eight flags. magent does not examine the patient or prescribe opioids. Not a diagnosis, not functional constipation C2, not IBS, not child.
——$0.005
POST/api/calc/rome_iv_pancreatic_sod
Cotton 2016 Rome IV E2 pancreatic sphincter of Oddi disorder. rome_iv_pancreatic_sod is true iff documented recurrent episodes of pancreatitis, other etiologies of pancreatitis excluded, negative endoscopic ultrasound, and abnormal sphincter manometry. Caller assigns four flags. magent does not read EUS, manometry, labs, or imaging. Not a diagnosis, not biliary SOD, not functional gallbladder, not a sphincterotomy recommendation.
——$0.005
POST/api/calc/rome_iv_proctalgia_fugax
Rao 2016 Rome IV proctalgia fugax (F2c). rome_iv_proctalgia_fugax is true iff recurrent rectal pain unrelated to defecation, episodes seconds to minutes (max 30 min), no anorectal pain between episodes, other causes excluded, last-3-months criteria, and 6-month onset. magent does not examine the rectum. Not a diagnosis, not levator ani, not unspecified functional anorectal pain.
——$0.005
POST/api/calc/rome_iv_reflux_hypersensitivity
Aziz 2016 Rome IV reflux hypersensitivity. rome_iv_reflux_hypersensitivity is true iff retrosternal heartburn or chest pain, normal endoscopy without EoE, no motor disorder, reflux-triggered despite normal acid, 3- and 6-month timing. Caller assigns six flags. magent does not read pH-impedance or endoscopy. Antisecretory response does not exclude the diagnosis and is not a required flag. Not a diagnosis, not functional heartburn, not GERD/NERD as the primary tool, not globus.
——$0.005
POST/api/calc/rome_iv_rumination
Stanghellini 2016 Rome IV rumination syndrome. rome_iv_rumination is true iff persistent or recurrent regurgitation of recently ingested food with subsequent spitting or remastication and swallowing, regurgitation not preceded by retching, last-3-months criteria, and 6-month onset. Supportive remarks (effortless, not preceded by nausea, recognizable food, ceases when acidic) are copy-only and not parsed. magent does not observe regurgitation. Not a diagnosis, not CHS, not CVS, not GERD.
——$0.005
POST/api/calc/rome_iv_unspecified_bowel
Mearin 2016 Rome IV C5 unspecified functional bowel. rome_iv_unspecified_bowel is true iff bowel symptoms not attributable to an organic etiology, does not meet criteria for IBS, functional constipation, functional diarrhea, or functional bloating/distension, last-3-months criteria, and 6-month onset. Caller assigns seven flags; magent does not re-score IBS/FC/diarrhea/bloating. Residual C5 only. Not a diagnosis. magent does not examine the patient.
——$0.005
POST/api/calc/rope
ROPE (Risk of Paradoxical Embolism; Kent 2013 Neurology Table 4) from age decades (18-29 5, 30-39 4, 40-49 3, 50-59 2, 60-69 1, >=70 0) plus five caller-assigned 1-point factors (no hypertension, no diabetes, no prior stroke/TIA, nonsmoker, cortical infarct). Score 0-10 with abstract groupings 0-3, 4-8 residual, and 9-10. Not a PFO diagnosis, not a closure indication, not PASCAL. magent does not read imaging or a smoking history.
——$0.005
POST/api/calc/rose
Reed 2010 ROSE (BRACES) for ED syncope: BNP ≥300 pg/mL, heart rate ≤50, fecal occult blood, hemoglobin ≤90 g/L, chest pain associated with syncope, Q wave not in lead III, and room-air SpO2 ≤94%. Each present criterion is 1 point (score 0-7). High-risk if any item is present. Caller assigns labs, vitals, FOB, chest pain, and the Q-wave flag. Not a medical device or disposition protocol; magent does not measure BNP, hemoglobin, or SpO2, and does not read an ECG.
——$0.005
POST/api/calc/rosier
Nor 2005 ROSIER: seven caller-assigned flags. Loss of consciousness or syncope −1, seizure −1; new acute-onset (or on awakening) asymmetric face, arm, or leg weakness, speech disturbance, and visual field defect +1 each. Range −2 to +5. stroke_more_likely if score > 0. Score ≤ 0 does not exclude stroke. Not a diagnosis, not NIHSS, and not a medical device. magent does not examine the patient or collect a time of onset.
——$0.005
POST/api/calc/roth
Chorin 2016 Roth score: caller max_count (integer 1-30, highest number reached counting 1 to 30 in one breath) and counting_time_seconds (greater than 0, at most 60). Echoes both; time to 1 decimal. Flags quote Table 2/discussion: max_count <10, counting_time <7 s, max_count <7, counting_time <5 s. Not a hypoxia class or 2021 general-practice cutoff. Not a medical device. magent does not time the patient.
——$0.005
POST/api/calc/rox
ROX index as (SpO2 percent / FiO2) / respiratory rate in breaths/min (Roca 2016). Returns the index rounded to two decimals. Not a ventilation order. This is not the PaO2/FiO2 (P/F) ratio and not RSBI (respiratory rate / tidal volume).
——$0.005
POST/api/calc/rsbi
Rapid shallow breathing index (RSBI) as respiratory rate in breaths/min divided by tidal volume in liters (Yang and Tobin 1991). Provide tidal_volume_ml (50–2000) or tidal_volume_l (0.05–2.0), not both. Returns f/VT rounded to one decimal and whether that ratio is greater than 105 breaths/min/L. Not a wean order; magent does not perform a spontaneous breathing trial (SBT).
——$0.005
POST/api/calc/rse
Bateman 2015 Risk Score for Exacerbations (RSE): Table II normalized points from BMI >=30 (14), ACQ-5 (<1.5=0; 1.5 to <2.5=7; >=2.5=13), FEV1 % predicted (>=90=0; 80 to <90=13; <80=20), daily rescue occasions (<2=0; 2 to <4=11; >=4=26), and GINA step (3=0; 4=27). Total 0-100. Caller-assigned; magent does not administer ACQ-5 or spirometry. Not a diagnosis, GINA step change, or inhaler order.
——$0.005
POST/api/calc/rts
Revised Trauma Score (Champion 1989): coded GCS, SBP, and respiratory rate (0-4 each), T-RTS as their sum (0-12), and weighted RTS = 0.9368·GCS + 0.7326·SBP + 0.2908·RR. Deterministic published arithmetic with citation. Not a triage order; not ISS; not the 1981 Trauma Score.
——$0.005
POST/api/calc/ruis
Sansoni 2008 RUIS: five caller-assigned integers for urgency leakage, activity leakage, and drops leakage (each 0-3), leakage frequency (0-4), and leakage amount (0-3). Sum 0-16. magent does not interview the patient. Sansoni 2008 published no mild/moderate/severe RUIS total-score bands; ISI frequency×amount cuts are not applied. Not a diagnosis, not a continence-procedure order, and not a medical device.
——$0.005
POST/api/calc/rule_7s
Cohn 2012 Rule of 7s. Low-risk for Lyme meningitis iff all three hold: headache duration <7 days, CSF mononuclear cells <70%, and no seventh or other cranial-nerve palsy. Seven days and 70% are not low-risk. The caller assigns duration, CSF differential, and palsy. magent does not examine nerves or count CSF cells. Not a Lyme diagnosis, not a medical device, and not a treatment or discharge order. Does not compute Avery 2006 logistic probabilities.
——$0.005
POST/api/calc/rule_of_nines
Adult Wallace 1951 rule of nines: percent TBSA from eight region fractions (0 none, 0.5 half, 1 full) using head 9, each arm 9, anterior trunk 18, posterior trunk 18, each leg 18, perineum 1. magent does not examine the burn. Not Lund-Browder and not a Parkland fluid order (Parkland takes tbsa_percent separately).
——$0.005
POST/api/calc/saag
Runyon 1992 SAAG as serum albumin minus ascites albumin in g/dL, rounded to one decimal. portal_hypertension_physiology is true when SAAG >= 1.1 g/dL. Gradient only; not Light-style exudate/transudate criteria for ascites. Not a diagnosis. magent does not diagnose portal hypertension or peritonitis. Serum and ascites albumin as g/dL or g/L.
——$0.005
POST/api/calc/safe
Sripongpun 2023 steatosis-associated fibrosis estimator (SAFE) from age, BMI (capped at 40 in the equation), diabetes, AST, ALT, globulin in g/dL, and platelets. Deterministic published equation with citation. Rule-out below 0; rule-in above 100. Not a biopsy, fibrosis stage, FIB-4, NAFLD fibrosis score, or BARD. magent does not compute BMI from height and weight.
——$0.005
POST/api/calc/sampson
Sampson 2020 estimated LDL-C from total cholesterol, HDL, and triglycerides (valid through 800 mg/dL). One unit system (mg/dL or mmol/L). Deterministic published equation with citation; not Friedewald, not a diagnosis or statin order.
——$0.005
POST/api/calc/saps_3
Moreno 2005 SAPS 3 admission score from caller-assigned ICU-hour boxes (age, comorbidities, stay, location, vasoactive drugs, admission circumstances, and ten physiology items) plus the published 16-point offset. Converts the integer to hospital-mortality percent with the Part 2 global logit. Not SAPS II. Not APACHE. magent does not measure vitals.
——$0.005
POST/api/calc/saps_ii
Le Gall 1993 Simplified Acute Physiology Score II from 12 physiology variables (worst values in the first 24 hours as assigned by the caller), age, type of admission, and one chronic disease (AIDS, metastatic cancer, or hematologic malignancy). Max 163. Converts the integer to hospital-mortality probability with the paper's logit. PaO2/FiO2 is scored only if ventilated or CPAP. Not SAPS 3. Not APACHE. magent does not measure vitals.
——$0.005
POST/api/calc/save
Schmidt 2015 SAVE-score from Table 4 integer cells plus constant −6. Age, weight, additive diagnoses, chronic renal failure, acute liver/CNS/renal failure, intubation hours, PIP ≤20, cardiac arrest, diastolic BP ≥40, pulse pressure ≤20, bicarbonate ≤15. Class I–V hospital survival 75/58/42/30/18%. Range −35 to 17. Not a VA-ECMO assignment. Not modified SAVE.
——$0.005
POST/api/calc/scap
España 2006 SCAP. Eight caller-assigned flags: two major (arterial pH <7.30, SBP <90 mm Hg) and six minor (RR >30, altered mental status, BUN >30 mg/dL, hypoxemia as PaO2 <54 mm Hg or PaO2/FiO2 <250, age ≥80, multilobar or bilateral). Severe if 1 major or ≥2 minor. One point per true predictor (max 8). Not a diagnosis, not an ICU-admission order, not CURB-65, not PSI/PORT, not SMART-COP.
——$0.005
POST/api/calc/scarf
Hardin 2019 SCARF from four caller-assigned flags (incentive spirometry <50% predicted, respiratory rate >20, numeric pain score ≥5, inadequate cough). 1 point each, total 0-4. Proposed threshold is score greater than 2. magent does not measure spirometry or examine the chest. Not a named risk class, analgesia order, or SSRF order.
——$0.005
POST/api/calc/schwab_england
Schwab and England ADL (1969): caller-assigned integer 0, 10, 20, 30, 40, 50, 60, 70, 80, 90, or 100 (completely independent; independent with some slowness; independent in most chores; not completely independent; some dependency; more dependent; very dependent; few chores with effort; nothing alone; totally dependent; vegetative). Returns score, max 100, and a stable label. 0% vegetative is scored. Not Hoehn and Yahr and not Karnofsky. magent does not observe the patient. Not a medical device.
——$0.005
POST/api/calc/schwartz_gfr
Schwartz 2009 bedside eGFR for children with CKD (CKiD): 0.413 × height in cm divided by serum creatinine in mg/dL, rounded to one decimal as mL/min/1.73m2. Height may be centimeters or inches; creatinine may be mg/dL or µmol/L. Not a dosing recommendation, not CKD-EPI, not Cockcroft–Gault, and not the 1976 Schwartz k=0.55 formula. Does not assign CKD stages.
——$0.005
POST/api/calc/scoff
Morgan 1999 SCOFF questionnaire: five caller-assigned yes/no flags (make yourself sick, lost control over eating, lost more than one stone / 14 lb in 3 months, believe fat when others say thin, food dominates life), 1 point each, max 5. Screen-positive when two or more answers are affirmative (score ≥2). Deterministic published score with citation; not a diagnosis of an eating disorder and not a medical device. magent does not interview the patient or interpret individual items.
——$0.005
POST/api/calc/score2
ESC 2021 SCORE2 10-year fatal plus non-fatal CVD percent for age 40-69 from sex, current smoking, systolic BP, non-HDL cholesterol, and European geographic risk region (low, moderate, high, very_high). Published sex-specific coefficients and region scale1/scale2. Not SCORE2-OP, not SCORE2-Diabetes, not 2013 PCE, not Reynolds, not a diagnosis or statin order. magent does not assay lipids.
——$0.005
POST/api/calc/score2_diabetes
ESC 2023 SCORE2-Diabetes 10-year fatal plus non-fatal CVD percent for type 2 diabetes, age 40-79, from sex, smoking, systolic BP, total and HDL cholesterol, age at diagnosis, IFCC HbA1c, eGFR, and European geographic risk region. Not SCORE2, not SCORE2-OP, not a diagnosis or statin order. magent does not assay lipids, HbA1c, or eGFR.
——$0.005
POST/api/calc/score2_op
ESC 2021 SCORE2-OP 10-year fatal plus non-fatal CVD percent for age 70-89 from sex, current smoking, diabetes, systolic BP, non-HDL cholesterol, and European geographic risk region (low, moderate, high, very_high). Published sex-specific Table 2 coefficients and region scale1/scale2. Not SCORE2, not SCORE2-Diabetes, not 2013 PCE, not PREVENT, not a diagnosis or statin order. magent does not assay lipids.
——$0.005
POST/api/calc/scorma
Heide 2001 SCORMA: extent_percent/5 + 5*intensity_sum + 2*symptom_sum/5. Extent 0-100 (diffuse cutaneous mastocytosis is 100). Four intensity signs 0-3 (pigmentation, vesiculation, elevation/induration, Darier's sign). Five symptoms 0-10 (flushing, provocation factors, diarrhoea, bone pain, pruritus). Max 100. magent does not examine the skin. Not a diagnosis, WHO/ICC criteria, REMA, or tryptase.
——$0.005
POST/api/calc/scorten
Bastuji-Garin 2000 SCORTEN from seven caller-assigned flags (age >40, malignancy, HR >120, detachment >10% BSA, urea >10 mmol/L, glucose >14 mmol/L, bicarbonate <20 mmol/L); 1 each, max 7. Predicted in-hospital mortality 0–1 3.2%, 2 12.1%, 3 35.3%, 4 58.3%, ≥5 90%. Not a TEN/SJS diagnosis and not an ICU or IVIG order. magent does not measure labs or BSA.
——$0.005
POST/api/calc/sdai
Aletaha 2005 Simplified Disease Activity Index (SDAI): sjc28 + tjc28 + patient global (0–10 cm) + evaluator global (0–10 cm) + CRP mg/dL. Newly proposed states: ≤3.3 remission, ≤11 low, ≤26 moderate, >26 high (not original 5/20/40). magent does not count joints or assay CRP. Not CDAI. Not a rheumatoid arthritis diagnosis.
——$0.005
POST/api/calc/sedan
SEDAN (Strbian 2012 Ann Neurol) for sICH after stroke thrombolysis. Glucose 8.1-12.0 mmol/L (1) or >12.0 (2); early infarct signs (1); hyperdense cerebral artery (1); age >75 (1); admission NIHSS ≥10 (1); max 6. Derivation absolute sICH 1.4%, 2.9%, 8.5%, 12.2%, 21.7%, 33.3% for scores 0-5; no published percent for 6. Not a tPA withhold decision. magent does not assign NIHSS or read CT.
——$0.005
POST/api/calc/serum_osmolality
Worthley 1987 calculated serum osmolality: 2×Na + glucose/18 + BUN/2.8. Optional osmolar gap when a measured osm is supplied. Deterministic published arithmetic with citation; not a measured freezing-point osmometer or a diagnosis.
——$0.005
POST/api/calc/ses_cd
Daperno 2004 simplified endoscopic activity score for Crohn's disease (SES-CD): caller-assigned integers 0-3 for ulcers, ulcerated_surface, affected_surface, and narrowings in ileum, right_colon, transverse_colon, left_colon, and rectum (20 params). magent sums only (max 60). Unexamined segments are 0 as assigned by the caller. Daperno 2004 did not publish remission or response bands; magent returns score and max_score only. magent does not perform endoscopy. Not CDEIS and not Best 1976 CDAI.
——$0.005
POST/api/calc/setscore
Schönenberger 2016 SETscore: 15 caller-assigned flags (neurological function, lesion, organ function/procedure). Weights 2–4; max 48. Elevated / setscore_ge_8 iff score ≥ 8 (2016 ROC cut-off). Not a tracheostomy order, not NIHSS, and not SETPOINT2 enrollment >10. magent does not examine the patient, read imaging, or compute APACHE II, LIS, or PaO2/FiO2.
——$0.005
POST/api/calc/sex_shock
Wang 2024 SEX-SHOCK Supplementary Table S13 sex-specific integer nomogram for in-hospital cardiogenic shock after ACS PCI. ORBI-like clinical flags plus ST-segment elevation, LVEF bands, and log-transformed creatinine and CRP levels as printed. Sum points; S13 Pr(CS) conversion. Not a medical device, not a cath-lab or shock-treatment order, and not ORBI.
——$0.005
POST/api/calc/sf_ratio
SpO2/FiO2 (S/F) ratio as pulse-oximetry SpO2 percent divided by inspired oxygen as a fraction (0.21–1.0) (Rice 2007). Returns the ratio rounded to one decimal. Magent does not apply ARDS or Berlin bands. This is not the PaO2/FiO2 (P/F) ratio and not the ROX index.
——$0.005
POST/api/calc/sf_syncope
San Francisco Syncope Rule (CHESS) from history of CHF, hematocrit, abnormal ECG, shortness of breath, and systolic BP. Returns a 0-5 criterion count and rule-positive if any CHESS item is present. Deterministic published score with citation; not a disposition protocol.
——$0.005
POST/api/calc/sg_port
Jacobs 2022 Table 3 Cox linear predictor for overall survival after resected major salivary gland cancer with versus without postoperative radiotherapy. Age per 10 years by PORT, male, Charlson-Deyo per point, gland, PORT by T stage, nodal-positivity ratio band, grade step, and positive margin as ln(HR). Not a 2-/5-/10-year OS percent (no printed S0). Not a radiation order. magent does not compute Charlson-Deyo or count nodes.
——$0.005
POST/api/calc/sgarbossa
Sgarbossa 1996 GUSTO-1 criteria for evolving AMI in left bundle-branch block: caller-assigned concordant ST elevation ≥1 mm (5), concordant ST depression ≥1 mm in V1–V3 (3), and discordant ST elevation ≥5 mm (2). Max 10. Score ≥3 had ~90% specificity in the derivation. Deterministic published score with citation; not a diagnosis, not the Smith modification, and magent does not read the tracing.
——$0.005
POST/api/calc/shanghai
Antzelevitch 2016 Shanghai Score System (Table 2) for Brugada syndrome. Caller assigns ECG (spontaneous type 1 3.5, fever type 1 3, drug-converted type 2/3 2; required; highest only), clinical history (0–3), family history (0–2), and pathogenic BrS-gene mutation (0.5). Bands: probable_definite ≥3.5, possible 2–3. magent does not read tracings. Not a diagnosis or ICD indication. Not the ERS Table 5 score.
——$0.005
POST/api/calc/shapiro
Shapiro 2008 blood-culture rule. Indicated if ≥1 major (temperature >39.5 °C, indwelling vascular catheter, suspected endocarditis) or ≥2 minor (temperature 38.3–39.4 °C, age >65, chills, vomiting, hypotension SBP <90, neutrophils >80%, WBC >18 k, bands >5%, platelets <150 k, creatinine >2.0 mg/dL). Not a culture order or sepsis diagnosis. magent does not examine the patient.
——$0.005
POST/api/calc/shfm
Levy 2006 Seattle Heart Failure Model 1-, 2-, and 3-year survival from Table 2 multivariate HRs. Score = sum of ln(HR)*x; S(t)=exp(-0.0405*t)**exp(score). Age, sex, NYHA, EF, ischemic etiology, SBP, furosemide-eq diuretic, labs, and already-on ACEI, beta-blocker, ARB, K-sparing diuretic, statin, BiV, ICD, or BiV-ICD. Caller assigns class, etiology, and therapy. magent does not measure labs or blood pressure. Not a diagnosis, prescription, or device order.
——$0.005
POST/api/calc/shock_index
Shock index as heart rate in bpm divided by cuff systolic pressure in mm Hg (Allgöwer and Burri 1967). Returns the original ratio rounded to two decimals. Not a shock diagnosis, treatment target, or cutoff, and does not use MAP or diastolic pressure.
——$0.005
POST/api/calc/shorr
Shorr 2013 MRSA pneumonia risk score (Table 2 only, not HCAP, not DRIP): recent hospitalization ≥2 days in 90 days 2; ICU admission 2; age <30 or >79 1; prior IV antibiotics 1; dementia 1; cerebrovascular disease 1; female with diabetes 1 (male with diabetes 0); nursing home/LTAC/SNF 1; max 10. Bands: 0-1 low, 2-5 medium, ≥6 high. Returns score, max_score, and risk_band. Not a medical device and not an antibiotic order.
——$0.005
POST/api/calc/sic
Iba 2017 SIC (Table 3; max 6). platelets_10e9_l >=150=0, <150 and >=100=1, <100=2. inr <=1.2=0, >1.2 and <=1.4=1, >1.4=2. sofa_four_items is the caller-assigned respiratory+cardiovascular+hepatic+renal SOFA sum (0-16; not coagulation, not CNS): 0=0, 1=1, >=2=2 (cap 2). sic true iff score >=4 and platelet_pts+inr_pts >=3. Not a sepsis or DIC diagnosis. Not ISTH overt DIC. Not JAAM-DIC. magent does not start anticoagulants.
——$0.005
POST/api/calc/sich
Cucchiara 2008 sICH after rtPA for ischemic stroke. Four caller-assigned 1-point flags: age >60, baseline NIHSS >10, baseline glucose >150 mg/dL (8.325 mmol/L), platelets <150,000/mm3. Total 0-4. Any ICH 2.6/9.7/15.1/37.9% for scores 0/1/2/>=3 (scores 3 and 4 share 37.9). magent does not assay glucose or platelets or compute NIHSS. Not a tPA order and not a hemorrhage diagnosis.
——$0.005
POST/api/calc/sickle_rbc_exchange
Nadler 1962 adult blood volume plus exponential remaining-fraction washout (Y/Y0 = e^(−X)) for sickle RBC exchange replacement pRBC volume. FCR = target_hbs / initial_hbs; X = −ln(FCR). Caller supplies hematocrits and HbS percents. Optional approx units if unit_volume_ml is sent. Deterministic published arithmetic. Not an apheresis order or medical device.
——$0.005
POST/api/calc/simon_broome
Simon Broome Register 1991 adult definite familial hypercholesterolaemia: total cholesterol >7.5 mmol/L or LDL cholesterol >4.9 mmol/L plus tendon xanthomas in the patient or a relative (parent, child, grandparent, sibling, uncle, or aunt). One lipid (mmol/L or mg/dL). magent does not assay lipids or examine tendons. Not a diagnosis, not possible FH, and not a DNA or child-cutoff classifier.
——$0.005
POST/api/calc/simplified_aih
Hennes 2008 simplified AIH (Table 2): caller-assigned autoantibody points 0-2 (max 2 across ANA/SMA/LKM/SLA), IgG points 0-2 (≤ULN / >ULN / >1.10×ULN), histology none 0 / compatible 1 / typical 2, viral hepatitis absent true 2. Max 8. Score <6 not_aih, 6 probable, ≥7 definite. Not a diagnosis and not the original 1999 IAHG score. magent does not titer autoantibodies, assay IgG vs ULN, or read liver histology.
——$0.005
POST/api/calc/simplified_bishop
Laughon 2011 simplified Bishop score from three caller-assigned Bishop 1964 integers: dilation, station, and effacement (each 0-3; max 9). Paper bins: dilation 0 / 1-2 / 3-4 / 5-6 cm; station -3 / -2 / -1 or 0 / +1 or +2; effacement 0-30 / 40-50 / 60-70 / 80%. favorable iff score >5 (Laughon compared with original Bishop >8; PPV 87.7% in that paper). magent does not examine the cervix or add consistency or position. Not a cervical exam or induction order.
——$0.005
POST/api/calc/sins
Fisher 2010 SINS. Location junctional 3 / mobile 2 / semirigid 1 / rigid 0. Pain mechanical 3 / occasional_not_mechanical 1 / pain_free 0. Bone lytic 2 / mixed 1 / blastic 0. Alignment subluxation_translation 4 / de_novo_deformity 2 / normal 0. Collapse gt_50 3 / le_50 2 / no_collapse_gt_50pct_body 1 / none 0. Posterolateral bilateral 3 / unilateral 1 / none 0. Max 18. Integer sum only; not later SOSG strata, not TLICS, not an operative order. magent does not read imaging. Not a medical device.
——$0.005
POST/api/calc/sipa
magent
——$0.005
GET/api/calc/sipa
Acker 2015 SIPA: heart rate in bpm divided by cuff systolic pressure in mm Hg, rounded to two decimals. Elevated if the ratio exceeds the age-band cutoff: 1.22 (ages 4-6), 1.0 (7-12), or 0.9 (13-16). Ages 4-16 only; not for infants or adults 17 and older. Not a diagnosis of shock and not the adult shock-index greater-than-0.9 rule. magent does not measure vitals.
——$0.005
POST/api/calc/sirs
SIRS from Bone 1992 ACCP/SCCM: four binary criteria (temperature >38 or <36 °C, heart rate >90, respiratory rate >20 or PaCO2 <32 mm Hg, WBC >12000 or <4000 per µL or bands >10%); present when ≥2 of 4. Deterministic published criteria with citation; not a diagnosis, not Sepsis-3, not qSOFA or SOFA.
——$0.005
POST/api/calc/sledai_2k
Gladman 2002 SLEDAI-2K: weighted sum of 24 caller-assigned descriptors present in the last 10 days (max 105). magent does not examine the patient. Proteinuria scores if >0.5 g/24 h (not original SLEDAI >3.5 g/24 h only). Rash, alopecia, and mucosal ulcers score if new or persistent (not new only). Not a diagnosis, not SLICC damage, not SELENA-SLEDAI flare rules, and not a medical device.
——$0.005
POST/api/calc/slicc_sle
SLICC 2012 SLE classification (Petri Table 3). classified iff biopsy-proven lupus nephritis plus ANA or anti-dsDNA, or at least four criteria including at least one clinical and one immunologic. 11 clinical and 6 immunologic caller flags. Direct Coombs counts only in the absence of hemolytic anemia. Criteria need not be concurrent. Not a diagnosis. Not 1997 ACR. Not 2019 EULAR/ACR. magent does not examine skin, assay serologies, or read a biopsy.
——$0.005
POST/api/calc/slics
Vaccaro 2007 SLICS: morphology none 0 / compression 1 / burst 2 / distraction 3 / rotation_translation 4 (single most severe) + dlc intact 0 / indeterminate 1 / disrupted 2 + neuro intact 0 / root 1 / complete 2 / incomplete 3 + continuous_cord_compression +1 only with a deficit. Max 10. Bands 0-3 / 4 / >=5 treatment guidance. Not a surgical order. Not TLICS (thoracolumbar). Not AO spine. Not SINS. magent does not read imaging. Not a medical device.
——$0.005
POST/api/calc/smart_cop
Charles 2008 SMART-COP for intensive respiratory or vasopressor support in community-acquired pneumonia: SBP <90 (2), multilobar CXR (1), albumin <3.5 g/dL (1), age-adjusted RR (1), HR >=125 (1), new confusion (1), age-adjusted low oxygen (2), arterial pH <7.35 (2; omitted pH scores 0). Max 11. IRVS 0-2 low, 3-4 moderate, 5-6 high, >=7 very high. Not a site-of-care protocol. Albumin g/dL or g/L. Exactly one of PaO2, SpO2, or P/F.
——$0.005
POST/api/calc/smast
Selzer 1975 13-item Short Michigan Alcoholism Screening Test (SMAST). Caller-assigned yes/no items; score is the count of answers in the alcoholic direction using that paper's key (feel_normal_drinker, friends_think_normal_drinker, and able_to_stop score 1 if false; the other ten score 1 if true), max 13. Bands 0-1 nonalcoholic, 2 possible, ≥3 alcoholic. Not a diagnosis, not the 25-item MAST, not Pokorny 1972 Brief MAST, and not SMAST-G. magent does not interview the patient.
——$0.005
POST/api/calc/smm_22020
Lakshman 2018 2/20/20 smoldering myeloma risk: one point each for BMPC >20%, serum M-protein >2 g/dL, and involved/uninvolved FLC ratio >20 (strict greater-than). 0 factors low (median TTP 110 months), 1 intermediate (68), 2 or 3 high (29). Not Mayo 70/20, not PETHEMA, not myeloma ISS, not a treatment order. BMPC 10-59 and FLC 0.01-99.9 (IMWG 2014 SLiM myeloma is rejected). magent does not assay marrow, M-protein, or free light chains.
——$0.005
POST/api/calc/sms
Gill 2005 Simplified Motor Score (SMS) from one caller-assigned motor category: obeys (2, obeys commands), localizes (1, localizes pain), or withdrawal_or_less (0, withdrawal to pain or less). Companion to GCS, not a replacement protocol and not a triage or intubation order. magent does not examine the patient. Deterministic published score with citation.
——$0.005
POST/api/calc/sodium_deficit
Sodium deficit from weight, sex, and measured Na using Adrogué–Madias TBW (0.6 male / 0.5 female). Deterministic published arithmetic with citation; not a sodium infusion protocol.
——$0.005
POST/api/calc/sofa
SOFA (Sepsis-related Organ Failure Assessment) from Vincent 1996 Table 3: six organs 0-4, max 24, from PaO2/FiO2 with a ventilation gate, platelets, bilirubin, MAP and adrenergic agents, caller-assigned GCS, and creatinine or urine output. Deterministic published score with citation; not a Sepsis-3 diagnosis.
——$0.005
POST/api/calc/sofa_2
Ranzani 2025 SOFA-2 from six organs 0-4 (brain, respiratory, cardiovascular, liver, kidney, hemostasis), max 24. Maps PaO2/FiO2 or SpO2/FiO2 with NIV/ECMO, MAP and vasopressor dose bands, caller-assigned GCS and delirium-drug flag, bilirubin, platelets, creatinine or urine rate, and RRT. Not Vincent 1996 SOFA and not a diagnosis.
——$0.005
POST/api/calc/sokal
Sokal 1984 relative-risk index for newly diagnosed untreated chronic granulocytic leukemia (CML). sokal_index = exp(0.0116*(age-43.4)+0.0345*(spleen_cm-7.51)+0.188*((platelets_10e9_l/700)^2-0.563)+0.0887*(blasts_percent-2.10)). Low <0.8, intermediate 0.8–1.2, high >1.2. Coefficient 0.188. Does not diagnose CML or choose TKI therapy.
——$0.005
POST/api/calc/spesi
sPESI (simplified Pulmonary Embolism Severity Index) from Jiménez 2010: 1 point each for age >80, cancer, chronic cardiopulmonary disease (one combined item), heart rate ≥110, systolic BP <100 mm Hg, and SpO2 <90%; max 6. Score 0 is low risk; ≥1 is high risk. Only for already diagnosed acute PE as in the paper. Not a diagnosis, not an outpatient-treatment protocol, and not original PESI classes.
——$0.005
POST/api/calc/ssign
Frank 2002 SSIGN (stage, size, grade, necrosis) for clear cell RCC after radical nephrectomy. 1997 TNM: pT1 0, pT2 1, pT3 2, pT4 0; N0/Nx 0, N1/N2 2; M0 0, M1 4; size ≥5 cm 2; nuclear grade 1–2 0, 3 1, 4 3; coagulative necrosis 2; max 15. Returns the published CSS row. Not 2002/2010 TNM. magent does not stage or read pathology. Not a diagnosis. Not a medical device.
——$0.005
POST/api/calc/stanford_sleepiness
Hoddes 1973 Stanford Sleepiness Scale degree 1-7 as assigned by the caller. Returns the degree, score (same as the degree), max 7, and published wording (feeling active and vital; alert; wide awake through almost in reverie; sleep onset soon). Not the Epworth Sleepiness Scale. Not a sleep-disorder diagnosis; magent does not observe the patient.
——$0.005
POST/api/calc/steinhart
Steinhart 2009 Equation 1 probability of acute heart failure from caller-assigned age, clinician pretest probability (fraction 0-1 or 0-100 percent), and NT-proBNP in pg/mL. Returns estimated_probability_percent from the unrounded probability plus published ≤0.20 rule-out and ≥0.80 rule-in flags. Not a diagnosis, diuretic, or admission order. magent does not assay NT-proBNP.
——$0.005
POST/api/calc/step_by_step
Gomez 2016 Step-by-Step for febrile infants 90 days and younger (derivation Mintegi 2014). High if ill-appearing, age 21 days or younger, leukocyturia, or PCT >=0.5 ng/mL; else intermediate if CRP >20 mg/L or ANC >10000/uL; else low. Returns risk, low_risk, high_risk, and intermediate_risk. magent does not examine the infant or assay UA, PCT, CRP, or ANC. Not Rochester, Boston, Philadelphia, or PECARN febrile. Not a medical device and not a discharge, admission, LP, or antibiotic order.
——$0.005
POST/api/calc/steroid_conversion
Convert a glucocorticoid milligram dose among hydrocortisone, prednisone, and dexamethasone using Meikle 1977 equivalent doses (20 : 5 : 0.75). Not a taper, stress-dose protocol, or regimen recommendation; mineralocorticoid activity is not converted. Deterministic published table with citation.
——$0.005
POST/api/calc/stone_nephrolithometry
Okhunov 2013 STONE nephrolithometry for kidney calculi (PCNL). Caller-assigned published item points: size 0_399 1 / 400_799 2 / 800_1599 3 / ge_1600 4 (mm²); tract le_100 1 / gt_100 2 (skin-to-stone mm); obstruction none_or_mild 1 / moderate_or_severe 2 (hydronephrosis); calyces 1_or_2 1 / 3 2 / staghorn 3; essence le_950 1 / gt_950 2 (HU). Sum 5-13. No published SFR bands. Not the Moore 2014 ureteral STONE score. magent does not measure CT. Not a medical device. Not a PCNL order.
——$0.005
POST/api/calc/stone_score
Moore 2014 STONE score for ED prediction of uncomplicated ureteral stone. Table 3 integer points: sex female 0 male 2; timing gt_24h 0, 6_to_24h 1, lt_6h 3; origin black 0, nonblack 3 (caller-assigned as used in Moore 2014; magent does not assign race); nausea none 0, nausea_alone 1, vomiting 2; hematuria absent 0, present 3. Sum 0-13; 0-5 low, 6-9 moderate, 10-13 high. Not a CT order or stone diagnosis. Not S.T.O.N.E. nephrolithometry.
——$0.005
POST/api/calc/stool_osmotic_gap
Eherer–Fordtran 1992 fecal osmotic gap: stool osmolality minus 2×(stool Na + stool K). Assumed stool osm 290 mOsm/kg when measured osm is omitted. Deterministic published arithmetic with citation; not a diagnosis of osmotic versus secretory diarrhea.
——$0.005
POST/api/calc/stop_bang
Chung 2008 Appendix 2 STOP-Bang OSA screen. Four caller-assigned STOP flags (loud snoring heard through closed doors, daytime tiredness, observed stop-breathing, hypertension) plus computed BANG: BMI >35, age >50, neck >40 cm, male; each 1; max 8. BMI 35, age 50, and neck 40 cm do not score. Returns bands 0-2 and >=3. Not Chung 2012 three-tier, not a medical device, and not a sleep-study order.
——$0.005
POST/api/calc/stumbl
Battle 2014 STUMBL integer score after blunt chest wall trauma: 1 point per decade of age starting at 10, 3 per rib fracture, 5 for chronic lung disease, 4 for preinjury anticoagulants, and 2 per 5% SpO2 decrease starting at 94%. Table 5 complication probabilities 13/29/52/70/80/88%. magent does not examine the chest or count ribs. Not a medical device, not a disposition or ICU order.
——$0.005
POST/api/calc/subtle_stemi
Driver 2017 4-variable formula for normal-variant STE in V2-V4 (early repolarization) versus subtle LAD occlusion: formula_value = 0.052*QTc_ms - 0.151*QRS_V2_mm - 0.268*R_V4_mm + 1.062*STE60_V3_mm, 3 decimals. lad_occlusion_suggested is true iff the value is ≥18.2 (derivation highest-accuracy cutpoint). Intended only when ≥1 mm STE in V2-V4 without obvious occlusion features. magent does not read the ECG. Not a STEMI diagnosis, cath-lab order, or 3-variable formula. Not a medical device.
——$0.005
POST/api/calc/sudbury_vertigo
Ohle 2025 Sudbury vertigo ED score (Table 2): male 1, age>65 flag 1, diabetes 1, hypertension 3, motor or sensory deficit 5, cerebellar signs 6, BPPV -5. Returns score (female+BPPV -5, not clamped), max 17, Table 3 bands lt_5 / 5_to_8 / gt_8 (0.0 / 2.1 / 41.0%), and investigate_further if score >4. Not a medical device, stroke diagnosis, CT order, HINTS, or HINTS-plus. magent does not examine the patient. Age is the age>65 flag, not years.
——$0.005
POST/api/calc/sulf_fast
Waldron 2023 SULF-FAST for patients who already report a TMP-SMX (sulfa antibiotic) allergy. Adapted PEN-FAST flags, not PEN-FAST itself. Three caller-assigned flags: allergy event 5 or fewer years ago (2), anaphylaxis/angioedema or potential SCAR as one criterion (2), treatment required (1). Max 5. Risk: low if score < 3, elevated if ≥ 3. low_risk_for_testing iff score < 3. Not an allergy diagnosis or delabeling order. magent does not take an allergy history.
——$0.005
POST/api/calc/surgical_apgar
Intraoperative Surgical Apgar (Gawande 2007 Table 1) from estimated blood loss, lowest mean arterial pressure, and lowest heart rate, summed to a 0–10 total. Returns score_le_4 because scores ≤4 were associated with 58.6% 30-day death or major complication in the validation cohort (9–10 associated with 3.6%). Deterministic published arithmetic with citation; not Virginia Apgar; not operative clearance.
——$0.005
POST/api/calc/swede
Strander 2005 Swede score: five caller-assigned 0-2 items (acetowhiteness, margins_surface, vessels, lesion_size, iodine; Table I final rounded weights; max 10). swede_band <5, 5-7, or >=8 (≥5 identified all HGL in that derivation set; ≥8 had 90% specificity). magent does not read the colposcope. Not a CIN diagnosis, see-and-treat order, or Reid index.
——$0.005
POST/api/calc/t_macs
Body 2016 T-MACS logistic ACS probability from caller-assigned ECG ischaemia, worsening angina, right-arm radiation, vomiting, observed sweating, hypotension (SBP <100), and Roche Elecsys hs-cTnT ng/L. Uses that paper's rounded coefficients. Bands p<0.02 very_low, 0.02<=p<0.05 low, 0.05<=p<0.95 moderate, p>=0.95 high. magent does not interpret ECG or assay troponin. Not original MACS, HEART, EDACS, or Vancouver. Not a diagnosis or medical device.
——$0.005
POST/api/calc/tash
Yücel 2006 TASH (Trauma Associated Severe Hemorrhage): seven independent nested less-than point bands for arrival SBP, hemoglobin, intra-abdominal fluid, complex long-bone/pelvic fracture AIS, heart rate, base excess, and male sex; max 28. Highest matching band only (do not stack). Deterministic published arithmetic with citation; not a transfusion or MTP order; not ABC (assessment of blood consumption). Caller assigns FAST and AIS; magent does not read imaging.
——$0.005
POST/api/calc/tdn_grade
Terrapon 2021 Therapy-Disability-Neurology (TDN) grade. Caller assigns therapy t1-t5, modified Rankin 0-6 (6 is death), and new neurologic deficit. Overall grade is max(T, D, N); t5 or mRS 6 is always 5. D maps mRS 0-1→1, 2-3→2, 4→3, 5→4, 6→5; new deficit is N=2 else N=1. Not a diagnosis and not Clavien-Dindo alone. magent does not grade the event.
——$0.005
POST/api/calc/thakar
Thakar 2005 clinical score for acute renal failure requiring dialysis after open-heart surgery. Points from sex, CHF, LVEF <35%, preoperative IABP, COPD, insulin-requiring diabetes, previous cardiac surgery, emergency surgery, procedure type (CABG / valve / CABG+valve / other), and preoperative creatinine (<1.2 / 1.2 to <2.1 / >=2.1 mg/dL). Returns integer score (max 17) and category 0–2 / 3–5 / 6–8 / 9–13. Not a dialysis order; not AKIN or RIFLE staging.
——$0.005
POST/api/calc/thrive
THRIVE (Totaled Health Risks in Vascular Events; Flint 2010 AJNR) from trichotomized age (<=59 0, 60-79 1, >=80 2), trichotomized NIHSS (<=10 0, 11-20 2, >=21 4), and chronic disease scale (hypertension, diabetes, atrial fibrillation; 1 each). Score 0-9; bands low 0-2, moderate 3-5, high 6-9 with published 90-day mRS 0-2 and mortality percents. Not a treatment recommendation. magent does not examine the patient or assign NIHSS.
——$0.005
POST/api/calc/timi_risk_index
Morrow InTIME-II TIMI risk index: heart rate × (age/10)^2 / systolic BP, with the five published groups (≤12.5, >12.5–17.5, >17.5–22.5, >22.5–30, >30). Deterministic published arithmetic with citation; not a reperfusion decision.
——$0.005
POST/api/calc/timi_stemi
TIMI risk score for ST-elevation MI from age, diabetes/hypertension/angina, systolic BP, heart rate, Killip class, weight, anterior STE or LBBB, and time to treatment. Returns a 0-14 point total with components. Deterministic published score with citation; not a reperfusion or fibrinolytic protocol.
——$0.005
POST/api/calc/timi_ua_nstemi
TIMI risk score for unstable angina / NSTEMI from age and six caller-assigned flags. Returns the 0-7 point total and components. Deterministic published score with citation; not an invasive-strategy protocol.
——$0.005
POST/api/calc/tisdale
Tisdale 2013 QT prolongation risk score (Table 5): age ≥68 (1), female (1), loop diuretic (1), potassium ≤3.5 mmol/L (2), admission QTc ≥450 ms (2), acute MI (2), sepsis (3), heart failure (3), one QTc-prolonging drug (3) plus ≥2 drugs (3 stacked; max 21). Returns bands 0-6 / 7-10 / ≥11. Deterministic published arithmetic with citation; not a medical device, not a drug-stop protocol, and not a TdP diagnosis.
——$0.005
POST/api/calc/tlics
Vaccaro 2005 TLICS: morphology compression 1 / burst 2 / translational_rotational 3 / distraction 4 (single most severe) + plc intact 0 / suspected_indeterminate 2 / injured 3 + neuro intact 0 / nerve_root 2 / complete_cord_conus 2 / incomplete_cord_conus 3 / cauda_equina 3. Max 10. Bands 0-3 nonoperative, 4 equivocal, >=5 operative guidance. Not a surgical order. Not AO spine. Not SINS (neoplastic). magent does not read imaging. Not a medical device.
——$0.005
POST/api/calc/tokuhashi
Revised Tokuhashi 2005 (0-15). KPS poor/moderate/good 0/1/2. Extraspinal ge_3/one_or_two/none 0/1/2. Vertebral ge_3/two/one 0/1/2. Visceral unremovable/removable/none 0/1/2. Primary lung osteosarcoma stomach bladder esophagus pancreas 0; liver gallbladder unidentified 1; others 2; kidney uterus 3; rectum 4; thyroid prostate breast carcinoid 5. Palsy complete/incomplete/none 0/1/2. Bands 0-8/9-11/12-15. Not an operative order. Not 1990. Not SINS. Does not read imaging. Not a medical device.
——$0.005
POST/api/calc/tokyo_cholangitis
Kiriyama 2018 TG18 (=TG13) cholangitis. Definite if one A (fever/chills or elevated WBC/CRP), one B (jaundice or abnormal LFTs), and one C (dilatation or etiology); suspected if A plus B or C; else none. Grade III if any organ dysfunction, else Grade II if any two of WBC, fever >=39C, age >=75, bilirubin >=5, or hypoalbuminemia, else Grade I. Severity none if diagnosis none. Not cholecystitis or Alvarado/RIPASA. magent does not examine, assay, or read imaging. Not a medical device.
——$0.005
POST/api/calc/tokyo_cholecystitis
Yokoe 2018 TG18 (=TG13) acute cholecystitis. Definite if local signs (Murphy or RUQ mass/pain/tenderness), systemic signs (fever, elevated CRP or WBC), and imaging; suspected if local and systemic without imaging; else none. Suspected/definite: Grade III if any organ dysfunction, else Grade II if any Grade II flag, else Grade I. Severity none when diagnosis is none. Not cholangitis or Alvarado/RIPASA. magent does not examine, assay, or read imaging. Not a medical device.
——$0.005
POST/api/calc/tpe
Kaplan 1990 estimated plasma volume for therapeutic plasma exchange: epv_l = 0.065 * weight_kg * (1 - hematocrit_percent/100). Returns one plasma volume in liters and milliliters. Hematocrit is a percent (10-70), not a 0-1 fraction. Deterministic published arithmetic with citation. Not an apheresis order, Nadler blood volume, Ganzoni iron deficit, or a 1.5-PV / removal-percent table.
——$0.005
POST/api/calc/travis
Travis 1996 day-3 of intravenous steroids for severe ulcerative colitis. travis_high is true when stools_per_day > 8, or when stools_per_day is 3 to 8 inclusive and crp_mg_l > 45. Stools 8 with CRP 45 is not high. Stools 2 with high CRP is not high. Both parameters are required. Not a colectomy order, not the Ho score, and not Truelove and Witts. magent does not count stools or measure CRP.
——$0.005
POST/api/calc/trip_cast
Nemeth 2020 TRiP(cast) VTE risk after lower-limb trauma immobilization. Caller-assigned Table 1 trauma (high 3, intermediate 2, low 1) and immobilization (upper_leg 3, lower_leg 2, foot_cast 1, other_plantar 0) plus age, sex, BMI, and nine flags. Max 34. High-risk at score >=7. Not a diagnosis or thromboprophylaxis order. magent does not classify the radiograph.
——$0.005
POST/api/calc/triss
TRISS (Boyd 1987): probability of survival from a caller-assigned Champion weighted RTS (0.0-7.8408), ISS (1-75), age (AgeIndex 0 if age < 55 else 1), and blunt or penetrating mechanism using original MTOS coefficients. Deterministic published arithmetic with citation. Not a triage order; not NISS; not ASCOT; not Champion 1995 revised coefficients.
——$0.005
POST/api/calc/truelove_witts
Truelove and Witts 1955 ulcerative colitis severity. severe iff stools_per_day >= 6 with macroscopic blood and at least one of fever, tachycardia, anemia, and esr_raised; mild iff stools_per_day <= 4, macroscopic_blood false, and no systemic flags; otherwise moderately_severe. Caller assigns flags from the 1955 table (fever mean evening >37.5 C or 37.8 C on 2 of 4 days; pulse >90; Hb 75% or less; ESR >30). magent does not examine the patient. Not a diagnosis, not Mayo UC, not PUCAI.
——$0.005
POST/api/calc/trunk_impairment
Verheyden 2004 original Trunk Impairment Scale from caller-assigned static sitting balance 0-7, dynamic sitting balance 0-10, and coordination 0-6 (max 23). If static sitting balance is 0, the total is 0. magent does not examine sitting balance or copy the item list. Not TIS 2.0, not Fujiwara 2004, and not a severity band.
——$0.005
POST/api/calc/ttkg
Transtubular potassium gradient (TTKG) from plasma potassium, urine potassium, plasma osmolality, and urine osmolality (Ethier JH et al., Am J Kidney Dis 1990). TTKG = (urine_k / potassium) / (urine_osm / plasma_osm), 1 decimal. Not valid when urine osmolality is not greater than plasma osmolality (water diuresis). Numeric TTKG only; not a potassium-disorder diagnosis or medical device.
——$0.005
POST/api/calc/twist
Barbosa 2013 TWIST (Testicular Workup for Ischemia and Suspected Torsion). Five caller-assigned flags: testicular swelling (2), hard testicle (2), absent cremasteric reflex (1), nausea or vomiting (1), high-riding testis (1). Max 7. Risk: 0–2 low, 3–4 intermediate, 5–7 high (cutoffs 2 and 5). Not a torsion diagnosis or an ultrasound or operative order. magent does not examine the patient.
——$0.005
POST/api/calc/uas
Młynek 2008 EAACI/GA2LEN/EDF UAS: seven days of wheals and pruritus integers 0-3. Daily UAS is wheals plus pruritus (0-6). UAS7 is the seven-day sum (0-42). Returns mean_daily_uas. Wheals 0 none, 1 mild (<20/24h), 2 moderate (20-50/24h), 3 intense (>50/24h or confluent). Pruritus 0 none, 1 mild, 2 moderate, 3 intense (interferes with activity or sleep). Seven complete days; no missing-day imputation. Not a diagnosis, not AAS. magent does not count wheals. Not a medical device.
——$0.005
POST/api/calc/uceis
Travis 2013 UCEIS: caller-assigned vascular_pattern (normal 0, patchy 1, obliterated 2), bleeding (none 0, mucosal 1, luminal_mild 2, luminal_moderate_or_severe 3), erosions_ulcers (none 0, erosions 1, superficial_ulcer 2, deep_ulcer 3) at the worst-affected sigmoidoscopy segment. magent sums only (max 8; 2013 0-8 recode, not 2012 3-11) with no activity bands. magent does not perform endoscopy. Not Mayo DAI, MES, or Travis 1996 day-3. Not a diagnosis.
——$0.005
POST/api/calc/uiss
Zisman 2002 localized N0M0 UISS for surgically resected unilateral RCC. Caller-assigned 1997 pathological T (t1-t4), Fuhrman 1-4, ECOG 0-4, and n0_m0 true. Returns low_risk (T1, Fuhrman 1-2, ECOG 0), high_risk (T3 with Fuhrman 2-4 and ECOG ≥1, or any T4), or intermediate_risk (every other N0M0 combination). Not 2001 I-V. Not metastatic UISS. Not SSIGN. magent does not assign TNM or read slides. Not a diagnosis. Not a medical device.
——$0.005
POST/api/calc/ukeld
Barber 2011 United Kingdom end-stage liver disease (UKELD) from INR, creatinine, bilirubin, and sodium in native SI units. UKELD = 5.395*ln(INR) + 1.485*ln(creatinine_umol_l) + 3.13*ln(bilirubin_umol_l) - 81.565*ln(sodium_mmol_l) + 435, nearest integer. below_listing if <49; listing_threshold if ≥49 (UK elective-list 9% 1-year mortality cut). Not a transplant listing or allocation order. Not MELD or MELD-Na.
——$0.005
POST/api/calc/up_to_7
Mazzaferro 2009 Up-to-seven: meets_up_to_seven is true iff tumor_count plus largest_cm is 7 or less and microvascular_invasion is false. Returns the boolean and size_number_sum, not a 5-year survival percentage. Pathology/explant-style inputs as assigned by the caller; magent does not interpret imaging or histology. Not Milan, not Metroticket 2.0 AFP criteria, not a contour calculator, not a medical device, and not a transplant listing.
——$0.005
POST/api/calc/urine_anion_gap
Urine anion gap from urine sodium, potassium, and chloride (Na + K − Cl). Batlle 1988 interpretive band: negative suggests increased NH4+ (GI bicarbonate loss); positive suggests impaired NH4+ (RTA). Deterministic published arithmetic with citation; not a diagnosis.
——$0.005
POST/api/calc/urine_pcr
Urine protein/creatinine ratio (mg/mg) from spot urine protein and creatinine (Ginsberg 1983). Also returns estimated_g_day equal to the rounded ratio as a numeric estimate of 24-h protein. Bands: <0.2 within normal limits, >3.5 nephrotic-range. Not ACR. Not a 24-h collection. Deterministic published formula with citation; not a diagnosis.
——$0.005
POST/api/calc/utrs
Webb 2022 Table 6 simplified score for 14-day hospitalization and 28-day mortality. Age decade lookup 0-10=0.5 through >100=5.5. Two points: diabetes, severe immunocompromise, obesity (BMI ≥30), caller-assigned community of color. One point: male sex, dyspnea, hypertension, CAD, arrhythmia, CHF, CKD, chronic pulmonary, liver, cerebrovascular, neurologic disease. score_ge_6 at Table 7 Youden ≥6. Not a diagnosis or allocation order.
——$0.005
POST/api/calc/vaco
King 2020 VACO Index logistic 30-day all-cause mortality from age, sex, caller-assigned unadjusted Charlson comorbidity index, and history of myocardial infarction or peripheral vascular disease. Supplement S3 coefficients. Age 85 or older uses the published combined CCI term. Not VACS Index 1.0 or 2.0, not a diagnosis, and not a treatment order.
——$0.005
POST/api/calc/vacs_1
Tate 2013 VACS Index 1.0 (not VACS 2.0): age, CD4, HIV-1 RNA, hemoglobin g/dL, caller-assigned FIB-4 and eGFR, and hepatitis C. Points 0-164. No published named mortality bands. magent does not compute FIB-4 or MDRD/CKD-EPI and does not order ART.
——$0.005
POST/api/calc/vacs_2
Tate 2019 VACS Index 2.0 (not 1.0): age, CD4, HIV-1 RNA, hemoglobin, caller-assigned FIB-4 and eGFR, hepatitis C, albumin, WBC, and BMI. Appendix Table 1 polynomials. Score scaled so the median profile is 44. Not a 5-year percent (no published S0). magent does not compute FIB-4 or eGFR and does not assign HIV status.
——$0.005
POST/api/calc/vacs_cci
McGinnis 2024 VACS-CCI Table 2 Model 7 linear predictor from sex, age, hemoglobin, FIB-4, eGFR, albumin, WBC, BMI, hepatitis C, and caller-assigned Charlson groupings. CCI group is those weights (0/1/2/3+) times age band. The 0-100 score needs unpublished development min/max Xbeta; magent does not invent it. Paper prints score 30 to 1/3/8/18% and 45 to 6/14/35/61% at 1/2/5/10 years. Not a diagnosis or individual prognosis. magent does not code the chart.
——$0.005
POST/api/calc/vancouver_chest_pain
Christenson 2006 Vancouver Chest Pain Rule. early_discharge_eligible is true when the initial ECG is not abnormal, 2-hour troponin is not elevated, there is no prior ACS or nitrate use, and either palpation reproduces pain or age is under 40 without radiation to neck, arm, or jaw. Age 40 is not the age-history path. magent does not interpret ECGs or assay troponin. Not the 2014 age-50 variant. Not a medical device and not a discharge order.
——$0.005
POST/api/calc/vexus
Beaubien-Souligny 2020 VExUS C only (not A, B, D, or E). Caller-assigned ivc_dilated (IVC ≥2 cm) plus hepatic, portal, and intra-renal Doppler each normal, mild, or severe. Grade 0 if the IVC is not dilated; 1 if dilated with zero severe patterns; 2 if exactly one severe; 3 if two or more are severe. magent does not perform ultrasound. Not an AKI diagnosis or a fluid-order. Not a medical device.
——$0.005
POST/api/calc/villalta
Kahn 2009 Villalta scale (ISTH SSC): five caller-assigned symptoms and six signs, each 0-3 (none/mild/moderate/severe), summed 0-33. Venous ulcer is a separate boolean and is not added as 15 points. PTS if score ≥5 or ulcer; bands none 0-4 (no ulcer), mild 5-9, moderate 10-14, severe if ≥15 or ulcer. magent does not examine the limb. Not CEAP, not VCSS, not Ginsberg PTS.
——$0.005
POST/api/calc/virsta
Tubiana 2016 VIRSTA from nine caller-assigned SAB flags plus CRP mg/L. Points: emboli 5, meningitis 5, device or previous IE 4 (one item), IVDU 4, native valve 3, persistent bacteremia 3, vertebral osteomyelitis 2, community/non-nosocomial 2, severe sepsis/shock 1, CRP >190 mg/L 1. Max 30. high_risk iff score ≥ 3. Not an endocarditis diagnosis.
——$0.005
POST/api/calc/vocal_penn
Mahmud 2021 VOCAL-Penn 30-day postoperative mortality logistic for cirrhosis. log_odds = -5.472096 + 1.061725*ASA + 0.927904*emergency + surgery dummies (laparoscopic abdominal reference) + Stata 3-knot RCS albumin (2.7, 3.7, 4.4) and platelets (75, 152, 271) + 0.1448936*bilirubin - 0.7541669*obesity + 0.8268748*NAFLD. Percent to 1 decimal. Not a surgical order. magent does not assign ASA or read labs.
——$0.005
POST/api/calc/vte_bleed
Klok 2016 VTE-BLEED for major bleeding on stable anticoagulation after VTE. Six items: active cancer 2; male with uncontrolled hypertension (SBP ≥140) 1; anemia 1.5; history of bleeding 1.5; age ≥60 1.5; renal dysfunction (eGFR/CrCl <60) 1.5; max 9. Low <2, high ≥2. Caller-assigned flags; magent does not assay hemoglobin or eGFR. Not a medical device, not HAS-BLED, and not a treatment-duration order.
——$0.005
POST/api/calc/vurx
Kirsch 2014 VURx for children <2 years with primary vesicoureteral reflux. Caller-assigned vur_timing (voiding 1, late filling 2, early- or mid-filling 3), female (1), high_grade grade IV-V (1), and ureteral_anomaly (complete duplication or periureteral diverticulum, 1). Score 1-6. Improvement or resolution: 1 → 89%, 2 → 69%, 3 → 53%, 4 → 16%, 5-6 → 11%. magent does not read a VCUG. Not a medical device. Not a surgery order.
——$0.005
POST/api/calc/wat_1
Franck 2008 WAT-1 (Withdrawal Assessment Tool-1). Eleven caller-assigned integers: ten 0/1 signs plus time_to_calm 0-2. Sum 0-12. Cutoff WAT-1 ≥3 vs NRS ≥4. magent does not observe the child. Pediatric iatrogenic opioid/benzodiazepine withdrawal monitoring only. Not a diagnosis, not NAS, not COWS, not CIWA-Ar, and not a medical device.
——$0.005
POST/api/calc/webster
Webster 1968 rating scale: ten caller-assigned integers 0-3 (bradykinesia, rigidity, posture, upper_extremity_swing, gait, tremor, facies, seborrhea, speech, self_care). magent sums only (max 30) and does not examine the patient. Score only; magent does not invent mild/moderate/severe total-score bands. Historical 10-item 0-30 sum. Not MDS-UPDRS and not a Parkinson diagnosis. Not a medical device.
——$0.005
POST/api/calc/wells_dvt
Wells deep-vein thrombosis probability from discrete clinical flags. Returns three-tier and two-tier bands. Deterministic published score with citation; not a diagnosis.
——$0.005
POST/api/calc/wells_pe
Wells pulmonary-embolism probability from discrete clinical flags. Returns three-tier and two-tier bands. Deterministic published score with citation; not a diagnosis.
——$0.005
POST/api/calc/west_haven
West Haven / Conn hepatic encephalopathy grade 0-4 (Conn 1977). Deterministic published grade with citation. Not a diagnosis; magent does not examine the patient or apply ISHEN covert/overt or psychometric minimal-HE tests.
——$0.005
POST/api/calc/westley_croup
Westley 1978 croup score from five caller-assigned signs (consciousness 0/5, cyanosis 0/4/5, stridor 0-2, air entry 0-2, retractions 0-3; max 17). Deterministic published score with citation. Not a diagnosis; magent does not invent total-score severity bands.
——$0.005
POST/api/calc/wexner_constipation
Agachan 1996 constipation scoring system from eight caller-assigned table bands (frequency, painful evacuation, incomplete evacuation, abdominal pain, time per attempt, assistance 0-2, unsuccessful attempts per 24 hours, duration). Total 0-30. constipation true iff score > 15. magent does not take a bowel history. Not a medical device, not a laxative order, not Jorge 1993 fecal incontinence scoring.
——$0.005
POST/api/calc/who_pv
WHO 2016 polycythemia vera criteria (Arber 2016). Met when all three majors hold, or when major 1 and major 2 hold with subnormal EPO. Major 1 is male Hb >16.5 g/dL or Hct >49%, female Hb >16.0 or Hct >48%, or increased red-cell mass. Major 2 is caller-assigned marrow panmyelosis. Major 3 is JAK2 V617F or exon 12. Not a medical device, not a WHO diagnosis, and not WHO 2022. magent does not assay EPO or sequence JAK2.
——$0.005
GET/api/calc/who_sm
magent
——$0.005
POST/api/calc/who_sm
WHO 2016 systemic mastocytosis (Valent 2016 Table 1). Met when major infiltrates (≥15 mast cells in aggregates in BM or extracutaneous organ) plus ≥1 minor, or ≥3 minors. Minors: >25% atypical/spindle mast cells, KIT codon 816, CD2 and/or CD25, tryptase >20 ng/mL (not valid with an unrelated myeloid neoplasm). Not a diagnosis. Not cutaneous mastocytosis only. Not ICC 2022. magent does not read a biopsy or assay tryptase.
——$0.005
POST/api/calc/whr
Waist–hip ratio from waist and hip circumference (WHO 2011 expert consultation). WHR = waist_cm / hip_cm after the same unit normalize; optional inches convert as cm = in * 2.54. Deterministic published arithmetic with citation. Not a medical device, body-fat diagnosis, or cardiovascular diagnosis; magent does not apply obesity or sex-specific cutoffs and does not measure the patient.
——$0.005
POST/api/calc/wifi
Mills 2014 SVS WIfI: three independent caller-assigned grades, not a summed total. Wound 0-3 (no ulcer; small shallow distal ulcer; deeper ulcer or digital gangrene; extensive ulcer or gangrene). Ischemia 0-3 (none; mild; moderate; severe). Foot infection 0-3 (none; skin/subcutaneous; deeper without SIRS; with SIRS). Label like W0-I0-fI0. Caller assigns grades. Not a medical device, not PEDIS, and not an amputation or revascularization order; magent does not inspect wounds or measure ABI.
——$0.005
POST/api/calc/winters
Winters' formula for expected PCO2 in metabolic acidosis: 1.5 × bicarbonate + 8 mm Hg, with a published ±2 mm Hg range. Optional comparison of measured PaCO2 to that band. Deterministic Albert–Winters 1967 arithmetic with citation; not a treatment target or a metabolic alkalosis formula.
——$0.005
POST/api/calc/wisconsin_criteria
Sitzman 2011 Wisconsin Criteria. Meets criteria if any one of five caller-assigned findings is true: bony step-off or instability, periorbital swelling or contusion, GCS < 14, malocclusion, or tooth absence. All five false does not meet. Returns meets_criteria and criteria_present (0–5). Not a diagnosis, not an imaging order, and not NEXUS, PECARN head, or Canadian CT Head. magent does not examine the face or assign GCS.
——$0.005
POST/api/calc/wound_class
CDC/HICPAC surgical wound classification Class I-IV as assigned by the caller (Mangram 1999 Table 7). Returns wound_class, class_label (e.g. I/Clean), and the published Table 7 description. magent does not inspect the wound. Not SSI percentage rates (not in Table 7). Not a diagnosis of infection. Not antimicrobial prophylaxis selection. Not a medical device.
——$0.005
POST/api/calc/wpss
Malcovati 2007 WPSS for MDS: WHO category (RA/RARS/5q- 0, RCMD/RCMD-RS 1, RAEB-1 2, RAEB-2 3), IPSS karyotype (good 0, intermediate 1, poor 2; caller assigns the three-group class), regular RBC transfusion 1 (at least one every 8 weeks over 4 months); max 6. very_low 0 through very_high 5–6. Not IPSS-R, not IPSS 1997, not DIPSS. magent does not karyotype or assign WHO category.
——$0.005
POST/api/calc/years
YEARS algorithm (van der Hulle 2017 Lancet). Count three caller-assigned items (clinical signs of DVT, hemoptysis, PE most likely) and exclude PE only when D-dimer (ng/mL FEU) is strictly below 1000 with 0 items or 500 with 1-3 items. Equality is not excluded. Not a diagnosis, not Wells, not PERC. magent does not decide PE most likely. The 2017 cohort excluded pregnancy.
——$0.005
POST/api/codes/lookup
Look up a current RxNorm, ICD-10-CM, or LOINC display from an exact code. Use when an agent already has a code and must not invent the preferred term.
——$0.005
GET/api/codes/search
Map a natural-language drug, diagnosis, or lab phrase to a current RxNorm, ICD-10-CM, or LOINC code. Use when an agent must not hallucinate or invent a billing/pharmacy code.
——$0.005
GET/api/calc/killip
magent
——$0.005
GET/api/calc/pf_ratio
magent
——$0.005
GET/api/codes/lookup
magent
——$0.005

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