 - Aspartate aminotransferase AST Serum glutamic-oxaloacetic transaminase SGOT, and alanine aminotransferase ALT, serum glutamic :pyruvic transaminase SGPT ALT SGPT - 2 X upper limit of normal ULN. If initial test shows ALT or AST 2 times the ULN, one repeat test is allowed during the screening period. 