Gastroenterology Calculators
18 Gastroenterology calculators with educational summaries for clinical reference.
What this collection covers
Gastroenterology tools cover liver disease severity, fibrosis assessment, upper gastrointestinal bleeding, pancreatitis, inflammatory bowel disease activity, and related clinical decision support. The pages distinguish prognostic estimates from triage tools and disease-activity measures.
How to choose a tool
Match the calculator to the presentation and endpoint: early bleeding triage, chronic liver severity, fibrosis risk, pancreatitis severity, or longitudinal disease activity. Confirm that the required laboratory values were collected at the time point used by the original study.
Safe interpretation
Scores can miss rapidly deteriorating patients and may be poorly calibrated outside their validation setting. A result should be reconciled with hemodynamics, examination, imaging, trends, and specialist or institutional pathways.
Essential calculators
- MELD Score
- MELD-Na Score
- Child-Pugh Score
- Glasgow-Blatchford Score
- Rockall Score
- FIB-4 Score
- NAFLD Fibrosis Score
- Ranson Criteria
- Maddrey Discriminant Function
- Lille Model
- Mayo Score for UC
- Crohn's Disease Activity Index
- Alvarado Score
- BISAP Score
- APRI Score
- Balthazar Score (CTSI)
- Glasgow-Imrie Score
- Fatty Liver Index (FLI)