{"uid":"cap_aK9hnyGySCvAcpzZoK0SJ","slug":"improve-bleeding-risk-score-decousus-2011-ab0a3116","name":"IMPROVE Bleeding Risk Score (Decousus 2011)","description":"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.","url":"https://api.magentlab.com/api/calc/improve_bleed","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","sex","renal_failure","active_gastroduodenal_ulcer","prior_bleeding","platelet_count_lt_50","hepatic_failure","icu_ccu","central_venous_catheter","rheumatic_disease","current_cancer"],"properties":{"age":{"type":"integer","description":"Age in years (18-120). Decousus 2011 bands: <40 scores 0, 40-84 scores 1.5, >=85 scores 3.5. Age 39 scores 0; age 40 scores 1.5; age 84 scores 1.5; age 85 scores 3.5. Bands are mutually exclusive."},"sex":{"type":"string","description":"male or female (Decousus 2011). Male scores 1; female scores 0. magent does not examine the patient."},"icu_ccu":{"type":"boolean","description":"ICU or CCU stay as assigned by the caller (Decousus 2011). true or false. 2.5 points if true. magent does not assign level of care."},"renal_failure":{"type":"string","description":"none, moderate, or severe as assigned by the caller (Decousus 2011). none is GFR >=60 mL/min/m2 (0 points); moderate is GFR 30-59 (1 point); severe is GFR <30 (2.5 points). Bands are mutually exclusive. magent does not compute GFR."},"current_cancer":{"type":"boolean","description":"Current cancer as assigned by the caller (Decousus 2011). true or false. 2 points if true. magent does not diagnose cancer."},"prior_bleeding":{"type":"boolean","description":"Bleeding during the 3 months before admission as assigned by the caller (Decousus 2011). true or false. 4 points if true. magent does not take a bleeding history."},"hepatic_failure":{"type":"boolean","description":"Hepatic failure (INR >1.5) as assigned by the caller (Decousus 2011). true or false. 2.5 points if true. magent does not assay INR."},"rheumatic_disease":{"type":"boolean","description":"Rheumatic disease as assigned by the caller (Decousus 2011). true or false. 2 points if true. magent does not diagnose rheumatic disease."},"platelet_count_lt_50":{"type":"boolean","description":"Platelet count <50 x 10^9/L at admission as assigned by the caller (Decousus 2011). true or false. 4 points if true. magent does not assay platelets."},"central_venous_catheter":{"type":"boolean","description":"Central venous catheter as assigned by the caller (Decousus 2011). true or false. 2 points if true. magent does not examine the patient."},"active_gastroduodenal_ulcer":{"type":"boolean","description":"Active gastroduodenal ulcer as assigned by the caller (Decousus 2011). true or false. 4.5 points if true. magent does not examine the patient."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"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_WYR3L95tnaTm-GFqNJsrC","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":"Calculates the IMPROVE bleeding-risk score for hospitalized medical patients based on 13 clinical risk factors to identify those at elevated bleeding risk during VTE prophylaxis decisions.","exampleAgentPrompt":"Calculate the IMPROVE bleeding risk score for a 78-year-old male with moderate renal failure (GFR 30-59), no hepatic failure, no active ulcer, no prior bleeding, platelets above 50, not in the ICU, no central venous catheter, no rheumatic disease, and no current cancer.","exampleUseCases":[{"title":"Pre-prophylaxis bleeding risk check","prompt":"Before we start VTE prophylaxis, can you calculate the IMPROVE bleeding score for my 86-year-old female patient who has severe renal failure, an active gastroduodenal ulcer, is currently in the ICU, has a central venous catheter, and has active cancer — no prior bleeding, platelets are fine, no hepatic failure, and no rheumatic disease?"},{"title":"ICU patient stratification","prompt":"I have a 65-year-old male in the CCU with moderate renal failure, hepatic failure (INR > 1.5), a CVC in place, and a history of bleeding 2 months ago. No cancer, no ulcer, platelets are normal, no rheumatic disease. What's his IMPROVE bleed score and does he cross the high-risk threshold of 7?"},{"title":"Low-risk patient clearance","prompt":"Can you run the IMPROVE bleeding risk calculator for a 55-year-old female admitted to the general ward — she has no renal failure, no liver problems, no ulcer, no prior bleeding, normal platelets, no cancer, no rheumatic disease, and no central line?"}],"resultDescription":"Returns a numeric IMPROVE bleeding risk score (maximum 30.5) computed from the 13 Decousus 2011 risk factors. Scores at or above 7 indicate increased bleeding risk. The response reflects only the caller-supplied values; the API does not examine the patient, compute GFR, or make prophylaxis recommendations.","failureModes":["Missing required query parameters (age, sex, renal_failure, etc.) returns a validation error","Invalid enum values for sex or renal_failure return a schema error","Age outside the integer range (18-120) may produce unexpected scoring","Caller-assigned clinical variables (e.g. ICU status, cancer) may not reflect true clinical state if provided incorrectly, leading to an inaccurate score","Payment failure (402) if USDC funds are insufficient"],"whenToPreferThis":"Use this endpoint when you need a fast, standardized computation of the Decousus 2011 IMPROVE bleeding risk score for hospitalized medical patients — particularly to support VTE prophylaxis decision-making. Prefer it over manual scoring when integrating clinical calculators into an AI agent workflow. It is not a substitute for physician judgment and does not replace clinical examination or lab computation.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T07:05:52.011Z","isFirstParty":false}