GPT and Jaundice: The female patient, a 60-year-old female, was similarly admitted to the hospital for jaundice, and her laboratory findings also came back abnormal (total/direct bilirubin: 9.8/6.4 mg/dL; AST/ALT 172/497 IU/L; ALP 411 IU/L; GGT 1,304 IU/L; CA19–9 of 613 U/mL) (63).