AllRefer Health - Leucine Aminopeptidase - Urine (LAP - Urine, Urine LAP)

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You are here : AllRefer.com > Health > Tests & Exams > Leucine Aminopeptidase - Urine

Leucine Aminopeptidase - Urine


•	Definition
•	Why is the Test Performed?
•	How is the Test Performed?
•	How to Prepare for the Test?
•	How will the Test Feel?
•	Normal Values
•	What do Abnormal Results Mean?
•	Special Considerations
•	Risks
•	Pictures & Images
•	Go To Main Page

Alternate Names : LAP - Urine, Urine LAP

Definition

A test that measures the amount of leucine aminopeptidase (LAP) in urine.

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Cirrhosis of the Liver

Leucine Aminopeptidase Urine Test

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Why is the Test Performed?

Unlike other liver enzymes, LAP can be measured in the urine. This test may be appropriate in some cases as a screening test or to avoid the risks of venipuncture. This test is performed much less commonly than leucine aminopeptidase - serum.

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. However, LAP is made by virtually all tissues. Elevations are also seen in several cancers and systemic lupus erythematosus (SLE).

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• Definition
• Why is the Test Performed?
• How is the Test Performed?
• How to Prepare for the Test?
• How will the Test Feel?
• Normal Values
• What do Abnormal Results Mean?
• Special Considerations
• Risks
• Pictures & Images

Review Date : 3/14/2002
Reviewed By : Michael C. Milone, M.D., Ph.D., Department of Pathology and Laboratory Medicine, University of Pennsylvania Medical Center, Philadelphia, PA. Review provided by VeriMed Healthcare Network.

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