Fibrosis-3 Index (FIB-3)

The Fibrosis-3 Index is an improved version of the FIB-4, that does not include age. It outperforms both FIB-4 and APRI.
Enter values
 
Value
Unit
AST
ALT
PLT

FIB-3 ranges

According to Kariyama et al. (2022), FIB-3 should be below 1.57:
1.57
1.89
Risk Scale
Optimal range for FIB-3 appears to be below 1.6:
-2
1.6
1.9
8
  • green - Fibrosis unlikely
  • yellow - F2 fibrosis likely
  • red - F3 or higher fibrosis likely
This isn't medical advice. Consult your healthcare provider.

The Fibrosis-3 Index is an improved version of the FIB-4, that does not include age. It outperforms both FIB-4 and APRI.

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About the site author

My personal mission is to extend human lifespan by collectively adding 1 million years to people's lives.

Zsolt Szabo
Zsolt Szabo
Software Engineer, Biohacker, and Consultant for Longevity Clinics.

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