The clinical manifestations observed in the present patient, including markedly elevated alanine aminotransferase (ALT) and aspartate aminotransferase (AST), severe coagulopathy, hyperbilirubinemia, hypoglycemia, hyperammonemia, and episodes of hepatic encephalopathy, are consistent with the spectrum reported by Cousin et al. (1). The gene discussed is GPT; the disease is Hyperbilirubinemia.