GPT and Hyperbilirubinemia: The most prevalent serum biochemistry abnormalities included elevated aspartate aminotransferase (AST) in 10 cats (50%), hyperbilirubinemia in 7 cats (35%), hypokalemia in 7 cats (35%), elevated alanine aminotransferase (ALT) in 6 cats (30%) and hypoalbuminemia in 5 cats (25%).