Home/Health & Fitness Calculators/Fibrosis 4 Score Calculator Health & Fitness Calculators Fibrosis 4 Score Calculator EditorLast Updated: April 6, 2024 Patient age AST (IU/L) ALT (IU/L) Platelet Count (109/L) Calculate Reset For Non-Alcoholic Steatohepatitis (NASH) a FIB-4 score < 1.30 = F0 - F1, while a FIB-4 score > 2.67 = F3 - F4 For Hepatitis C Virus (HCV) a FIB-4 score < 1.45 = F0 - F1, while a FIB-4 score > 3.25 = F3 - F4 EditorLast Updated: April 6, 2024 Facebook X LinkedIn Tumblr Pinterest Reddit VKontakte Share via Email Print