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HSI Calculator – Hepatic Steatosis Index
Screen for non-alcoholic fatty liver disease (NAFLD) using routine clinical parameters
Hepatology Guidelines: The Hepatic Steatosis Index (HSI) screens for fatty liver disease using the ALT/AST ratio, BMI, sex, and diabetes status. Formula: $\text{HSI} = 8 \times (\text{ALT}/\text{AST}) + \text{BMI} + (+2 \text{ if female}) + (+2 \text{ if diabetes})$. Enter patient parameters below.
Clinical & Lab Parameters Input
Calculation Results
⚠️ Not medical advice. For hepatology, gastroenterology, and clinical reference only. Diagnosis of non-alcoholic fatty liver disease (NAFLD) and management of liver enzyme elevations must be supervised strictly by a qualified physician or gastroenterologist.