 [ Symptoms ] what are liver enzymes [ Disease ] four separate liver enzymes are included on most routine laboratory tests they are    aspartate aminotransferase ast or sgot and alanine aminotransferase alt or sgpt which are known together as transaminases and alkaline phosphatase ap and gamma glutamyl transferase ggt which are known together as cholestatic liver enzymes elevations of these enzymes can indicate the presence of liver disease