GPT and Hyperbilirubinemia: Laboratory investigations showed neutrophilic leukocytosis (white cell count 16.4 × 109 L; neutrophil 92%), direct hyperbilirubinemia (total serum bilirubin 142 μmol/L; direct bilirubin 111 μmol/L), and elevated alanine aminotransferase (ALT: 75 U/L).