A comprehensive guide to testing, medical imaging and other health and illness prevention-related services. Click on the screening category to learn more about these services, individual tests & screening items
Blood tests for liver function are used in monitoring the general state of health of the liver. Tests on liver function evaluate the levels of certain enzymes and proteins in your blood. Levels outside of healthy parameters can indicate liver problems. Patients with liver issues may have few, if any, physical symptoms.
Aspartate transaminase (AST). AST is an enzyme that helps metabolize alanine, an amino acid. Like ALT, AST is normally present in your blood at low levels. Signs of increased AST levels in the bloodstream may indicate liver issues or muscle damage.