{"uid":"cap_MubqB2ZefoMXYQ1rEB2_9","slug":"bisap-score-calculator-wu-2008-98d9fc2d","name":"BISAP Score Calculator (Wu 2008)","description":"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.","url":"https://api.magentlab.com/api/calc/bisap","method":"GET","headers":{},"bodySchema":{"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","bun_mg_dl","impaired_mental_status","sirs","pleural_effusion"],"properties":{"age":{"type":"integer","description":"Age in years (18-120). Scores 1 when age >60; 60 does not score."},"sirs":{"type":"boolean","description":"SIRS present as assigned by the caller. true or false. magent does not recompute Bone SIRS from vitals. 1 point if true."},"bun_mg_dl":{"type":"number","description":"Blood urea nitrogen in mg/dL (1-200). Scores 1 when >25; 25.0 does not score."},"pleural_effusion":{"type":"boolean","description":"Pleural effusion as assigned by the caller from imaging. true or false. magent does not read imaging. 1 point if true."},"impaired_mental_status":{"type":"boolean","description":"Impaired mental status as assigned by the caller (paper: GCS <15). true or false. magent does not take GCS or assign mental status. 1 point if true."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"path":"/api/calc/bisap","count":2,"items":[{"score":0,"formula":"bisap","citation":{"id":"wu-2008","doi":"10.1136/gut.2008.150862","title":"The early prediction of mortality in acute pancreatitis: a large population-based study","source":"Gut. 2008;57(12):1698-1703","authors":"Wu BU, Johannes RS, Sun X, Tabak Y, Conwell DL, Banks PA"},"age_years":50,"bun_mg_dl":20,"max_score":5,"components":[{"value":20,"factor":"bun_gt_25","points":0,"present":false},{"factor":"impaired_mental_status","points":0,"present":false},{"factor":"sirs","points":0,"present":false},{"value":50,"factor":"age_gt_60","points":0,"present":false},{"factor":"pleural_effusion","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.","formula_expression":"BISAP = (bun_mg_dl>25) + impaired_mental_status + sirs + (age>60) + pleural_effusion; each 1 if present; max 5"},{"score":0,"formula":"bisap","citation":{"id":"wu-2008","doi":"10.1136/gut.2008.150862","title":"The early prediction of mortality in acute pancreatitis: a large population-based study","source":"Gut. 2008;57(12):1698-1703","authors":"Wu BU, Johannes RS, Sun X, Tabak Y, Conwell DL, Banks PA"},"age_years":50,"bun_mg_dl":20,"max_score":5,"components":[{"value":20,"factor":"bun_gt_25","points":0,"present":false},{"factor":"impaired_mental_status","points":0,"present":false},{"factor":"sirs","points":0,"present":false},{"value":50,"factor":"age_gt_60","points":0,"present":false},{"factor":"pleural_effusion","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.","formula_expression":"BISAP = (bun_mg_dl>25) + impaired_mental_status + sirs + (age>60) + pleural_effusion; each 1 if present; max 5"}]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_HKKIWu_sDprFl44EbLQFZ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes the Bedside Index for Severity in Acute Pancreatitis (BISAP) score from five caller-supplied clinical criteria to predict early mortality risk.","exampleAgentPrompt":"Calculate the BISAP score for a 68-year-old patient with a BUN of 32 mg/dL, SIRS present, impaired mental status, and a pleural effusion on imaging.","exampleUseCases":[{"title":"ED triage of acute pancreatitis","prompt":"My patient in the ED is 72 years old, BUN is 38 mg/dL, they have SIRS, no impaired mental status, and imaging shows a pleural effusion — what's their BISAP score?"},{"title":"ICU admission severity documentation","prompt":"I need to document a BISAP score for a 55-year-old pancreatitis admission: BUN is 20 mg/dL, no SIRS, no mental status changes, and no pleural effusion."},{"title":"Comparing severity across pancreatitis patients","prompt":"Score BISAP for two pancreatitis patients — patient A is 61 years old, BUN 26, SIRS positive, mentally intact, no pleural effusion; patient B is 58, BUN 22, no SIRS, altered mental status, pleural effusion present."}],"resultDescription":"An integer BISAP score from 0 to 5 reflecting the number of positive criteria (BUN >25 mg/dL, impaired mental status, SIRS, age >60, pleural effusion). No mortality percentages are included. The score does not constitute a diagnosis.","failureModes":["Missing required parameters (age, bun_mg_dl, impaired_mental_status, sirs, pleural_effusion) returns an error","BUN value outside valid range 1–200 mg/dL may be rejected","Age outside valid range 18–120 may be rejected","Non-boolean values for sirs, impaired_mental_status, or pleural_effusion cause schema validation failure","Boundary values (BUN exactly 25.0, age exactly 60) correctly score 0 — callers may be surprised these do not score"],"whenToPreferThis":"Use this endpoint when you need a deterministic, published BISAP score per Wu 2008 and have already assessed SIRS, mental status, and imaging yourself — this endpoint does not recompute SIRS from vitals, assign mental status, or interpret imaging. Prefer this over Ranson, APACHE II, or CTSI when you want a simple bedside 5-point score validated for early mortality prediction in acute pancreatitis. Not appropriate if you need mortality percentage estimates or a diagnostic conclusion.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T01:14:00.010Z","isFirstParty":false}