ALT used to be called serum glutamic-pyruvic transaminase ... an aspartate aminotransferase (AST) test. AST is another liver enzyme. As with ALT, the levels of AST in your blood rise if your ...

Liver diseases are commonly diagnosed using serum enzyme assays ... to the liver, while AST is present in both cytoplasm and mitochondria. Subnormal aminotransferase levels can result from ...