Leucine aminopeptidase - urine

What is Leucine Aminopeptidase Test?

Leucine aminopeptidase (LAP) is an enzyme found in the kidneys, liver, small intestine, and blood. A LAP test measures the level of the enzyme in the urine. The test may be ordered to help diagnose certain types of kidney and liver disease.

Preparation for Leucine Aminopeptidase Test

No special preparation is needed before having a LAP test. If you are a woman, your healthcare provider may ask you to stop taking any medications that can interfere with the test results.

Procedure for the Leucine Aminopeptidase Test

A sample of urine is collected in a sterile container. The sample is then sent to a laboratory for analysis. The laboratory will measure the amount of LAP present in the sample. The results are usually available within one or two days.

Types of Leucine Aminopeptidase Test

There are two types of LAP tests available: one for adults and one for children. The adult test measures the levels of LAP in the urine. The pediatric test measures the level of LAP in the blood.

Risks of Leucine Aminopeptidase Test

There are no known risks associated with having a LAP test. The test may cause brief physical discomfort during the draw and collection of the sample.

Why Leucine Aminopeptidase Test is Performed?

A LAP test may be ordered if your healthcare provider suspects you may have certain types of kidney or liver disease. It may also be ordered if you have a family history of such conditions. The test may also be used to monitor your response to certain treatments.

When is Leucine Aminopeptidase Test Performed?

A LAP test may be ordered at any time if your healthcare provider suspects that you may have a kidney or liver problem. It may also be ordered if you have a family history of the condition, or if you are already receiving treatment for a condition that may be affected by the enzyme.