High AST and ALT levels are a general sign of a liver ... It causes long-term liver damage that triggers symptoms involving: Kidneys Brain Eyes Skin Joints These are referred to as extra-hepatic ...

You might have an ALT blood test because you have symptoms of a liver problem ... When should I worry about ALT and AST? If levels of both enzymes are high, your doctor might say you have elevated ...

Liver diseases are commonly diagnosed using serum enzyme assays, particularly for aspartate aminotransferase (AST), alanine aminotransferase (ALT), alkaline phosphatase (ALP), gamma-glutamyl ...