Healthy - Normal values
AST (IU/L): 25; Platelet Count (10^9/L): 275; AST Upper Limit of Normal (IU/L): 40
APRI Score: 22.72727273; Fibrosis Assessment: High probability of significant fibrosis
APRI Calculator
Health0.0(0)
Estimates the degree of liver fibrosis based on AST and platelet count.
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How To Use
How to use this calculator
Start with your values, or try a preset.
Step 1
Enter AST (IU/L), Platelet Count (10^9/L), and AST Upper Limit of Normal (IU/L) in the units shown.
Step 2
Read APRI Score and Fibrosis Assessment in the results panel. Results update as you change the inputs.
Step 3
Choose a preset to load an example, then adjust the values for your situation.
Worked Examples
Example calculations
See the inputs and their calculated results.
Mild Liver Damage
AST (IU/L): 60; Platelet Count (10^9/L): 250; AST Upper Limit of Normal (IU/L): 40
APRI Score: 60; Fibrosis Assessment: High probability of significant fibrosis
Moderate Liver Damage
AST (IU/L): 80; Platelet Count (10^9/L): 200; AST Upper Limit of Normal (IU/L): 40
APRI Score: 100; Fibrosis Assessment: High probability of significant fibrosis
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Important
Use the result as an estimate and confirm any medical decisions with a qualified professional.