MedlinePlus Medical Encyclopedia: Leucine aminopeptidase urine test

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Leucine aminopeptidase urine test

Leucine aminopeptidase (LAP) is a proteolytic enzyme that breaks chemical bonds in proteins at specific sites next to leucine amino acids. Serum (blood) LAP is measured to diagnose liver (hepatic) dysfunction.

Update Date: 3/2/2006

Updated by: Daniel R. Alexander, M.D., Department of Internal Medicine, St. Mary's Hospital, Leonardtown, MD. Review provided by VeriMed Healthcare Network.

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