- Aspartate Aminotransferase (AST) serum glutamic oxaloacetic transaminase(SGOT) / alanine aminotransferase (ALT) serum glutamic pyruvic transaminase(SGPT) AST and ALT may be up to 2.5 times ULN if alkaline phosphatase < ULN; or alkaline phosphatase may be up to 4 times ULN if AST and ALT are < ULN.