magent

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Base URLhttps://api.magentlab.com/api/calc

• POST/rest_lgs$0.005Wolf 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.
• POST/scorma$0.005Heide 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.
• POST/rapid$0.005Rahman 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.
• POST/evendo$0.005Dong 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.
• POST/face_drops$0.005McEntire 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.
• POST/psadt$0.005Pound 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.
• POST/ho_index$0.005Ho 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.
• POST/pregnancy_due_dates$0.005Pregnancy 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.
• POST/child_pugh$0.005Child–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.
• POST/sic$0.005Iba 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.
• POST/rome_iv_biliary_pain$0.005Cotton 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.
• POST/race$0.005Pérez 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.
• POST/truelove_witts$0.005Truelove 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.
• POST/rome_iv_caps$0.005Keefer 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.
• POST/rhmp_30$0.005de 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.
• POST/bars$0.005Swift 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.
• POST/kt_v$0.005Daugirdas 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.
• POST/estimated_ethanol$0.005Fasting 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.
• POST/fast$0.005Scalea 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.
• POST/mme$0.005CDC 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.
• POST/astct_icans$0.005Adult 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.
• POST/four_ts$0.0054Ts 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.
• POST/hep$0.005Cuker 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.
• POST/cdai_ra$0.005Aletaha 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.
• POST/ukeld$0.005Barber 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.

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