F2 and Hyperbilirubinemia: Accepted criteria for IFALD include a persistent elevation of transaminases and γ-glutamyl transferase ≥1.5 above the upper limit of normal and hyperbilirubinemia below 3 mg/dl for early IFALD, and persistent hyperbilirubinemia >6 mg/dl and the prolongation of prothrombin time for severe IFALD (39).