AST (aspartate aminotransferase) is an enzyme that is found mostly in the liver, but also in muscles. When your liver is damaged, it releases AST into your bloodstream. An AST blood test measures the amount of AST in your blood. The test can help your health care provider diagnose liver damage or disease.
Other names: SGOT test, serum glutamic oxaloacetic transaminase test; aspartate transaminase test
You may get an AST blood test as part of your routine checkup or if you have symptoms of liver damage. These may include:
Even if you don't have symptoms, your health care provider may order an AST blood test if you are at a higher risk of liver disease. Risk factors for liver disease include: