Digestive System calculators
9 calculators Child-Pugh Calculator Score cirrhosis severity from bilirubin, albumin, INR (or PT seconds), ascites and encephalopathy. Get Class A, B or C with 1 and 2 year survival and surgical risk.
Open FIB-4 Calculator Calculate your FIB-4 liver fibrosis index from age, AST, ALT and platelets, with age-adjusted cutoffs, the APRI score, AST/ALT ratio and clear interpretation bands.
Open APRI Calculator Calculate your APRI score (AST to Platelet Ratio Index) to screen for liver fibrosis and cirrhosis. Includes fibrosis cutoffs and sensitivity data.
Open AST/ALT Ratio Calculator Calculate your AST/ALT (De Ritis) ratio instantly from lab values. See what your score means for alcoholic vs viral liver disease, NAFLD, and cirrhosis.
Open CDAI Calculator (Crohn's Disease Activity Index) Calculate the Crohn's Disease Activity Index (CDAI) score from 8 clinical inputs. Instant scoring with severity interpretation and step-by-step formula breakdown.
Open Lille Score Calculator for Alcoholic Hepatitis Calculate the Lille score for alcoholic hepatitis. Predict 6-month survival after 7 days of steroid therapy. Supports mg/dL and umol/L with full interpretation.
Open Maddrey's Discriminant Function Calculator Calculate Maddrey's Discriminant Function for alcoholic hepatitis. Enter PT and bilirubin to get the mDF score, 30-day mortality risk, and steroid therapy guidance.
Open MELD Calculator: MELD, MELD-Na and MELD 3.0 Calculate MELD, MELD-Na, or MELD 3.0 for end-stage liver disease. Get 90-day mortality risk, transplant priority, and a step-by-step formula breakdown.
Open NAFLD Fibrosis Score Calculator Calculate your NAFLD Fibrosis Score (NFS) from age, BMI, diabetes status, AST/ALT ratio, platelet count, and albumin, with F0-F4 staging and interpretation.
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