x402watch

52,436 paid endpoints are listed. 29,069 answered a real 402 at the last check.

Every x402 endpoint on the Coinbase Bazaar and x402scan, probed unpaid every six hours. A listing tells you the price a seller wrote down. This tells you whether the endpoint is reachable, whether it charges what it declared, and how fast it answers. Ranked by an assay score out of 100.

Last check 2026-10-08 13:55 UTC · 52,436 probed

29,069 answering 40216,131 down6,280 rejecting956 no paywall1,876 price drift
  1. 75api.magentlab.com/api/calc/oesilColivicchi 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 $0.007 Base1200 ms2 payers100% up
  2. 75api.magentlab.com/api/calc/nyhaNYHA 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 $0.007 Base1361 ms2 payers100% up
  3. 75api.magentlab.com/api/calc/nrs_2002Kondrup 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 $0.007 Base1551 ms2 payers100% up
  4. 75api.magentlab.com/api/calc/nrpeRao 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 $0.007 Base1626 ms2 payers100% up
  5. 75api.magentlab.com/api/calc/nivoHartley 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 $0.007 Base1525 ms2 payers100% up
  6. 75api.magentlab.com/api/calc/nirudakBarry 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 $0.007 Base1464 ms2 payers100% up
  7. 75api.magentlab.com/api/calc/nincds_adrdaMcKhann 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 $0.007 Base1002 ms2 payers100% up
  8. 75api.magentlab.com/api/calc/nice_iv_maintenanceNICE 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 $0.007 Base1181 ms2 payers100% up
  9. 75api.magentlab.com/api/calc/nexus_head_ctNEXUS 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 $0.007 Base1442 ms2 payers100% up
  10. 75api.magentlab.com/api/calc/nexus_chest_ctNEXUS 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 $0.007 Base1609 ms2 payers100% up
  11. 75api.magentlab.com/api/calc/nexus_chestNEXUS 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 $0.007 Base1344 ms2 payers100% up
  12. 75api.magentlab.com/api/calc/nexusNEXUS 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 $0.007 Base1358 ms2 payers100% up
  13. 75api.magentlab.com/api/calc/new_orleans_headNew 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 $0.007 Base1169 ms2 payers100% up
  14. 75api.magentlab.com/api/calc/nedocsWeiss 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 $0.007 Base1625 ms2 payers100% up
  15. 75api.magentlab.com/api/calc/myxedema_comaPopoveniuc 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 $0.007 Base1596 ms2 payers100% up
  16. 75api.magentlab.com/api/calc/mumtazMumtaz 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 $0.007 Base2005 ms2 payers100% up
  17. 75api.magentlab.com/api/calc/mulbstaGuo 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 $0.007 Base1496 ms2 payers100% up
  18. 75api.magentlab.com/api/calc/msofaModified 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 $0.007 Base1089 ms2 payers100% up
  19. 75api.magentlab.com/api/calc/mrecistLencioni 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 $0.007 Base1873 ms2 payers100% up
  20. 75api.magentlab.com/api/calc/modified_sgarbossaSmith 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 $0.007 Base1358 ms2 payers100% up
  21. 75api.magentlab.com/api/calc/modified_rankinModified 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 $0.007 Base1033 ms2 payers100% up
  22. 75api.magentlab.com/api/calc/mnihssMeyer/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 $0.007 Base1360 ms2 payers100% up
  23. 75api.magentlab.com/api/calc/mmrcMahler 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 $0.007 Base1086 ms2 payers100% up
  24. 75api.magentlab.com/api/calc/mmeCDC 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 $0.007 Base1053 ms2 payers100% up
  25. 75api.magentlab.com/api/calc/mirelsMirels 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 $0.007 Base1293 ms2 payers100% up
  26. 75api.magentlab.com/api/calc/miller_esrAdult 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 $0.007 Base1581 ms2 payers100% up
  27. 75api.magentlab.com/api/calc/milanMazzaferro 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 $0.007 Base2003 ms2 payers100% up
  28. 75api.magentlab.com/api/calc/michigan_piccChopra 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 $0.007 Base1305 ms2 payers100% up
  29. 75api.magentlab.com/api/calc/mhsMarburg 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 $0.007 Base1761 ms2 payers100% up
  30. 75api.magentlab.com/api/calc/mg_adlWolfe 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 $0.007 Base1127 ms2 payers100% up
  31. 75api.magentlab.com/api/calc/metroticket_2Mazzaferro 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 $0.007 Base2398 ms2 payers100% up
  32. 75api.magentlab.com/api/calc/meld_naCited OPTN/UNOS 2016 MELD-Na score. Agents must not invent MELD-Na from model memory; pay per request with x402 USDC on Base. Deterministic published score with citation. Not a treatment recommendation.$0.005 $0.007 Base1997 ms2 payers100% up
  33. 75api.magentlab.com/api/calc/meld_3Kim 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 $0.007 Base2076 ms2 payers100% up
  34. 75api.magentlab.com/api/calc/meldKamath 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 $0.007 Base2548 ms2 payers100% up
  35. 75api.magentlab.com/api/calc/mehranMehran 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 $0.007 Base1373 ms2 payers100% up
  36. 75api.magentlab.com/api/calc/mdrdIDMS 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 $0.007 Base1784 ms2 payers100% up
  37. 75api.magentlab.com/api/calc/mdqHirschfeld 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 $0.007 Base1286 ms2 payers100% up
  38. 75api.magentlab.com/api/calc/mdiBech 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 $0.007 Base1466 ms2 payers100% up
  39. 75api.magentlab.com/api/calc/mcmahonMcMahon 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 $0.007 Base1604 ms2 payers100% up
  40. 75api.magentlab.com/api/calc/mcdonald_20172017 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 $0.007 Base1216 ms2 payers100% up
  41. 75api.magentlab.com/api/calc/mbigKhan 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 $0.007 Base1867 ms2 payers100% up
  42. 75api.magentlab.com/api/calc/mayo_ucSchroeder 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 $0.007 Base1367 ms2 payers100% up
  43. 75api.magentlab.com/api/calc/mayo_spnSwensen 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 $0.007 Base1186 ms2 payers100% up
  44. 75api.magentlab.com/api/calc/masccMASCC 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 $0.007 Base1302 ms2 payers100% up
  45. 75api.magentlab.com/api/calc/martin_ldlMartin 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 $0.007 Base1371 ms2 payers100% up
  46. 75api.magentlab.com/api/calc/mapiGuilbert 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 $0.007 Base1297 ms2 payers100% up
  47. 75api.magentlab.com/api/calc/mapMean 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 $0.007 Base1404 ms2 payers100% up
  48. 75api.magentlab.com/api/calc/manningManning 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 $0.007 Base1519 ms2 payers100% up
  49. 75api.magentlab.com/api/calc/mallampatiSamsoon 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 $0.007 Base1260 ms2 payers100% up
  50. 75api.magentlab.com/api/calc/maintenance_fluidsHolliday–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 $0.007 Base1411 ms2 payers100% up
  51. 75api.magentlab.com/api/calc/madrsMontgomery 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 $0.007 Base1324 ms2 payers100% up
  52. 75api.magentlab.com/api/calc/maddreyMaddrey 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 $0.007 Base2076 ms2 payers100% up
  53. 75api.magentlab.com/api/calc/macochaDe 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 $0.007 Base1161 ms2 payers100% up
  54. 75api.magentlab.com/api/calc/kings_collegeKing'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 $0.007 Base2723 ms2 payers100% up
  55. 75api.magentlab.com/api/calc/kim_meldnaKim 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 $0.007 Base2397 ms2 payers100% up
  56. 75api.magentlab.com/api/calc/kegfrChen 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 $0.007 Base1454 ms2 payers100% up
  57. 75api.magentlab.com/api/calc/kawasakiAHA 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 $0.007 Base1692 ms2 payers100% up
  58. 75api.magentlab.com/api/calc/katzKatz 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 $0.007 Base1131 ms2 payers100% up
  59. 75api.magentlab.com/api/calc/jonesGewitz 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 $0.007 Base1873 ms2 payers100% up
  60. 75api.magentlab.com/api/calc/issInjury 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 $0.007 Base1327 ms2 payers100% up
  61. 75api.magentlab.com/api/calc/irae_pneumonitisBrahmer 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 $0.007 Base1676 ms2 payers100% up
  62. 75api.magentlab.com/api/calc/irae_nephritisASCO 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 $0.007 Base1836 ms2 payers100% up
  63. 75api.magentlab.com/api/calc/irae_hypothyroidismBrahmer 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 $0.007 Base1311 ms2 payers100% up
  64. 75api.magentlab.com/api/calc/irae_hepatitisASCO 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 $0.007 Base2564 ms2 payers100% up
  65. 75api.magentlab.com/api/calc/irae_diabetesBrahmer 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 $0.007 Base1997 ms2 payers100% up
  66. 75api.magentlab.com/api/calc/irae_colitisBrahmer 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 $0.007 Base1049 ms2 payers100% up
  67. 75api.magentlab.com/api/calc/ipss_rGreenberg 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 $0.007 Base1338 ms2 payers100% up
  68. 75api.magentlab.com/api/calc/interchestAerts 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 $0.007 Base2563 ms2 payers100% up
  69. 75api.magentlab.com/api/calc/infant_scalpGreenes 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 $0.007 Base1682 ms2 payers100% up
  70. 75api.magentlab.com/api/calc/imwg_responseKumar 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 $0.007 Base1051 ms2 payers100% up
  71. 75api.magentlab.com/api/calc/improveddGibson 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 $0.007 Base1757 ms2 payers100% up
  72. 75api.magentlab.com/api/calc/improve_vteSpyropoulos 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 $0.007 Base1510 ms2 payers100% up
  73. 75api.magentlab.com/api/calc/improve_bleedDecousus 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 $0.007 Base1763 ms2 payers100% up
  74. 75api.magentlab.com/api/calc/ie_mortalityPark 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 $0.007 Base1484 ms2 payers100% up
  75. 75api.magentlab.com/api/calc/idf_darHassanein 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 $0.007 Base1485 ms2 payers100% up
  76. 75api.magentlab.com/api/calc/ich_scoreHemphill 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 $0.007 Base1069 ms2 payers100% up
  77. 75api.magentlab.com/api/calc/iceLee 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 $0.007 Base1199 ms2 payers100% up
  78. 75api.magentlab.com/api/calc/ibw_devineDevine 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 $0.007 Base1201 ms2 payers100% up
  79. 75api.magentlab.com/api/calc/i_seeDellon 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 $0.007 Base1242 ms2 payers100% up
  80. 75api.magentlab.com/api/calc/hypoglycemia_risk_scoreKarter 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 $0.007 Base2000 ms2 payers100% up
  81. 75api.magentlab.com/api/calc/hunt_hessHunt 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 $0.007 Base1282 ms2 payers100% up
  82. 75api.magentlab.com/api/calc/hscoreFardet 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 $0.007 Base1304 ms2 payers100% up
  83. 75api.magentlab.com/api/calc/hospitalHOSPITAL (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 $0.007 Base1429 ms2 payers100% up
  84. 75api.magentlab.com/api/calc/hiri_msmSmith 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 $0.007 Base1690 ms2 payers100% up
  85. 75api.magentlab.com/api/calc/hintsKattah 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 $0.007 Base1416 ms2 payers100% up
  86. 75api.magentlab.com/api/calc/hestiaHestia 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 $0.007 Base1328 ms2 payers100% up
  87. 75api.magentlab.com/api/calc/herdoo2Rodger 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 $0.007 Base1596 ms2 payers100% up
  88. 75api.magentlab.com/api/calc/hemorr2hagesGage 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 $0.007 Base1646 ms2 payers100% up
  89. 75api.magentlab.com/api/calc/heart_pathwayMahler 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 $0.007 Base1521 ms2 payers100% up
  90. 75api.magentlab.com/api/calc/heartHEART 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 $0.007 Base1653 ms2 payers100% up
  91. 75api.magentlab.com/api/calc/hearHEAR 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 $0.007 Base1672 ms2 payers100% up
  92. 75api.magentlab.com/api/calc/hcm_risk_scdO'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 $0.007 Base1277 ms2 payers100% up
  93. 75api.magentlab.com/api/calc/has_bledHAS-BLED score from discrete clinical flags. Use for bleeding-risk arithmetic in atrial fibrillation. Deterministic published score with citation.$0.005 $0.007 Base1275 ms2 payers100% up
  94. 75api.magentlab.com/api/calc/harvey_bradshawHarvey 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 $0.007 Base1605 ms2 payers100% up
  95. 75api.magentlab.com/api/calc/harkSohal 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 $0.007 Base1747 ms2 payers100% up
  96. 75api.magentlab.com/api/calc/hapsHAPS (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 $0.007 Base1352 ms2 payers100% up
  97. 75api.magentlab.com/api/calc/fistula_riskCallery 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 $0.007 Base1253 ms2 payers100% up
  98. 75api.magentlab.com/api/calc/findriscLindström 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 $0.007 Base1268 ms2 payers100% up
  99. 75api.magentlab.com/api/calc/fib4Cited Sterling 2006 FIB-4 fibrosis index. Agents must not invent FIB-4 from model memory; pay per request with x402 USDC on Base. Deterministic published index with citation. Not a treatment recommendation.$0.005 $0.007 Base1228 ms2 payers100% up
  100. 75api.magentlab.com/api/calc/evendoDong 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 $0.007 Base1684 ms2 payers100% up