Uric acid

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Blood test

Uric acid crystals

Normal values fall between 3.0 and 7.0 mg/dL.

Note: Normal values may vary slightly from laboratory to laboratory.

Greater-than-normal levels of uric acid (hyperuricemia) may indicate:

• Acidosis
• Alcoholism
• Diabetes
• Gout
• Hypoparathyroidism
• Lead poisoning
• Leukemia
• Nephrolithiasis
• Polycythemia vera
• Renal failure
• Toxemia of pregnancy
• Purine-rich diet
• Severe exercise

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

• Fanconi's syndrome
• Wilson's disease
• SIADH
• Low purine diet

Additional conditions under which the test may be performed:

• Chronic gouty arthritis
• Injury of the kidney and ureter

Review Date: 06/01/2005
Reviewed By: Aniket R. Sidhaye, M.D., Division of Endocrinology and Metabolism, Johns Hopkins University School of Medicine, Baltimore, MD. Review provided by VeriMed Healthcare Network.