Normal total bilirubin: 0.2–1.2 mg/dL; >2.0 = jaundice; >20 = severe hepatic dysfunction

Normal INR: 0.8–1.2; liver disease severity: INR 1.5–2.0 (mild), >3.0 (severe coagulopathy)

Normal creatinine: 0.7–1.3 mg/dL; MELD creatinine capped at 4.0 mg/dL per UNOS rules