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DefinitionThis is a blood test that measures the amount of uric acid.
How the test is performedBlood is drawn from a vein or a capillary. The laboratory centrifuges the blood to separate the serum from the cells and the uric acid test is done on the serum.
How to prepare for the test
Fast for 4 hours before the test. Your medical provider may also advise you to discontinue drugs that may affect the test.
Why the test is performed
This test is performed to detect elevated uric acid levels. Increased levels of uric acid can cause gout .
Uric acid is the end product of purine metabolism (purines are building blocks of RNA and DNA). Most uric acid produced in the body is excreted by the kidneys. An overproduction of uric acid occurs when there is excessive breakdown of cells, which contain purines, or an inability of the kidneys to excrete uric acid.
Normal values fall between 3.0 and 7.0 mg/dL.
Note: Normal values may vary slightly from laboratory to laboratory.
What abnormal results meanGreater-than-normal levels of uric acid (hyperuricemia) may indicate:
Update Date: 8/18/2003David Webner, M.D., Sports Medicine Fellow, Crozer-Keystone Family Practice Program, Springfield, PA. Review provided by VeriMed Healthcare Network.
Last updated: Tue, 06 Jan 2009 00:20:03 GMT