# Ranson 1974 Pancreatitis Severity Score > Ranson 1974 Pancreatitis Severity Score is a paid API for AI agents from api.magentlab.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-11). Calculates the Ranson 1974 pancreatitis severity score from 11 boolean clinical signs (5 at admission, 6 at 48h) and returns total points plus a mortality risk band ## Facts - Endpoint: GET https://api.magentlab.com/api/calc/ranson?utm_source=zero.xyz - Price: $0.005/call - Payment: x402 - Status: unknown - Last checked: 2026-10-11 - Activations on Zero: 0 - Tags: x402 - Canonical page: https://www.zero.xyz/c/ranson-1974-pancreatitis-severity-score-e3df61f8 - Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_ZkJO1j3x89P40mRE_56Xs Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently. ## How to call it through Zero Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`): ```sh zero fetch --capability ranson-1974-pancreatitis-severity-score-e3df61f8 ``` Example prompt: Score this pancreatitis case using Ranson 1974 criteria: age over 55 true, WBC over 16k true, glucose over 200 false, LDH over 350 true, AST over 250 false; at 48 hours: hematocrit drop over 10 points false, BUN rise over 5 true, calcium under 8 true, PaO2 under 60 false, base deficit over 4 false, fluid sequestration over 6L true — what's the total score and mortality band? ## When to prefer this Choose this endpoint when you need a fast, deterministic, citation-backed Ranson 1974 pancreatitis severity score from structured boolean clinical data. Prefer it over manual calculation to eliminate arithmetic errors. It is specifically the 1974 Ranson criteria (non-gallstone, 11 signs); if gallstone pancreatitis criteria or a different scoring system (e.g. BISAP, APACHE-II) is needed, look for an alternative endpoint. ## Known failure modes - Missing required boolean query parameters returns a validation error - Non-boolean values passed for flag fields cause a parsing error - Network timeout on the remote API endpoint - Incorrect flag interpretation by the caller (e.g. applying non-gallstone criteria to a gallstone pancreatitis patient — Ranson 1974 is for non-gallstone etiology) ## How this service works Deterministic published-formula arithmetic plus ICD-10-CM, RxNorm, and LOINC. Pay in USDC on Base via x402. ## Output Returns the total Ranson score as an integer from 0 to 11 and a mortality risk band corresponding to published thresholds: 0-2 (low risk), 3-4 (moderate risk), 5-6 (high risk), or 7-11 (very high risk/near-universal mortality), based on deterministic arithmetic from the Ranson 1974 publication. ## Request schema (JSON Schema) ```json { "type": "object", "$schema": "https://json-schema.org/draft/2020-12/schema", "required": [ "input" ], "properties": { "input": { "type": "object", "required": [ "type", "method" ], "properties": { "type": { "type": "string", "const": "http" }, "method": { "enum": [ "GET", "HEAD", "DELETE" ], "type": "string" }, "headers": { "type": "object", "additionalProperties": { "type": "string" } }, "queryParams": { "type": "object", "required": [ "age_gt_55", "wbc_gt_16k", "glucose_gt_200", "ldh_gt_350", "ast_gt_250", "hct_drop_gt_10", "bun_rise_gt_5", "calcium_lt_8", "pao2_lt_60", "base_deficit_gt_4", "fluid_seq_gt_6l" ], "properties": { "age_gt_55": { "type": "boolean", "description": "Admission: age >55 years (Ranson 1974). true or false." }, "ast_gt_250": { "type": "boolean", "description": "Admission: AST >250 U/L. true or false." }, "ldh_gt_350": { "type": "boolean", "description": "Admission: LDH >350 IU/L. true or false." }, "pao2_lt_60": { "type": "boolean", "description": "First 48 h: arterial PaO2 <60 mm Hg. true or false." }, "wbc_gt_16k": { "type": "boolean", "description": "Admission: WBC >16 000/mm^3. true or false." }, "calcium_lt_8": { "type": "boolean", "description": "First 48 h: serum calcium <8 mg/dL. true or false." }, "bun_rise_gt_5": { "type": "boolean", "description": "First 48 h: BUN rise >5 mg/dL. true or false." }, "glucose_gt_200": { "type": "boolean", "description": "Admission: blood glucose >200 mg/dL. true or false." }, "hct_drop_gt_10": { "type": "boolean", "description": "First 48 h: hematocrit fall >10 percentage points. true or false." }, "fluid_seq_gt_6l": { "type": "boolean", "description": "First 48 h: estimated fluid sequestration >6 L. true or false." }, "base_deficit_gt_4": { "type": "boolean", "description": "First 48 h: base deficit >4 mEq/L. true or false." } } } }, "additionalProperties": false }, "output": { "type": "object", "required": [ "type" ], "properties": { "type": { "type": "string" … (truncated) ``` ## Response schema (JSON Schema) ```json { "type": "json", "example": { "path": "/api/calc/ranson", "count": 2, "items": [ { "score": 0, "formula": "ranson", "citation": { "id": "ranson-1974", "pmid": "4834279", "title": "Prognostic signs and the role of operative management in acute pancreatitis", "source": "Surg Gynecol Obstet. 1974;139(1):69-81", "authors": "Ranson JH, Rifkind KM, Roses DF, Fink SD, Eng K, Spencer FC" }, "max_score": 11, "components": [ { "factor": "age_gt_55", "points": 0, "present": false }, { "factor": "wbc_gt_16k", "points": 0, "present": false }, { "factor": "glucose_gt_200", "points": 0, "present": false }, { "factor": "ldh_gt_350", "points": 0, "present": false }, { "factor": "ast_gt_250", "points": 0, "present": false }, { "factor": "hct_drop_gt_10", "points": 0, "present": false }, { "factor": "bun_rise_gt_5", "points": 0, "present": false }, { "factor": "calcium_lt_8", "points": 0, "present": false }, { "factor": "pao2_lt_60", "points": 0, "present": false }, { "factor": "base_deficit_gt_4", "points": 0, "present": false }, { "factor": "fluid_seq_gt_6l", "points": 0, "present": false } ], "disclaimer": "Not a medical device. Deterministic published-formula or published-code output for autonomous agents. A licensed clinician remains responsible for patient care and billing submissions.", "mortality_band": "0-2", "formula_expression": "Ranson = 5 admission signs + 6 signs during first 48 h; each 1 if present; max 11" }, { "score": 0, "formula": "ranson", "citation": { "id": "ranson-1974", "pmid": "4834279", "title": "Prognostic signs and the role of operative management in acute pancreatitis", "source": "Surg Gynecol Obstet. 1974;139(1):69-81", "authors": "Ranson JH, Rifkind KM, Roses DF, Fink SD, Eng K, Spencer FC" }, "max_score": 11, "components": [ { "factor": "age_gt_55", "points": 0, "present": false }, { "factor": "wbc_gt_16k", "points": 0, "present": false }, { "factor": "glucose_gt_200", "points": 0, "present": false }, { "factor": "ldh_ … (truncated) ``` ## More - Live health (JSON, refreshed every minute): https://www.zero.xyz/c/ranson-1974-pancreatitis-severity-score-e3df61f8/health.json - [Zero catalog index](https://www.zero.xyz/llms.txt) - [Other services from api.magentlab.com](https://www.zero.xyz/host/api.magentlab.com/llms.txt)