FIB-4 Index Calculator

FIB-4 Index Calculator

Age (years):
AST (U/L):
ALT (U/L):
Platelet Count (10⁹/L):

Note:

The FIB-4 index is a non-invasive scoring system used to estimate liver fibrosis in patients with liver disease.

Reference Ranges:
- <1.45: Low risk of fibrosis
- 1.45 - 3.25: Indeterminate
- >3.25: High risk of fibrosis