alanine aminopeptidase (A-luh-neen uh-MEE-noh-PEP-tih-days)
An enzyme that is normally found in healthy kidneys. It may be found at high levels in the urine when there are kidney problems. It is used as a biomarker to detect damage to the kidneys caused by drugs and other agents. It may also be used to diagnose certain kidney and liver disorders. Also called AAP.