Uric acid - urine

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Nitrogen test

Uric acid crystals

Uric acid test

Uricosuria

Normal values range from 250 to 750 mg/24 hours. Normal value ranges may vary slightly among different laboratories.

Note: mg/24 hr = milligrams per 24 hours

Abnormal results are indicated as follows:

Higher-than-normal urinary uric acid levels may indicate:

• Cancers that have spread (metastasized)
• Myelogenous and lymphoproliferative disorders
• High-purine diet
• Gout
• Rhabdomyolysis
• Lesch-Nyhan syndrome
• Fanconi syndrome

Lower-than-normal urinary uric acid levels may indicate:

• Chronic alcohol ingestion
• Chronic glomerulonephritis
• Lead poisoning

Review Date: 02/03/2006
Reviewed By: Charles Silberberg, DO, Private Practice specializing in Nephrology, Affiliated with New York Medical College, Division of Nephrology, Valhalla, NY. Review provided by VeriMed Healthcare Network.