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24-hour urine copper test - Results

Alternative Names

Quantitative urinary copper

Normal Values:

The normal range is 10 to 30 micrograms per 24 hours.

Note: Normal value ranges may vary slightly among different laboratories. Talk to your doctor about the meaning of your specific test results.

The examples above show the common measurements for results for these tests. Some laboratories use different measurements or may test different specimens.

What abnormal results mean:

An abnormal result means you have a higher than normal level of copper. This may be due to:

  • Biliary cirrhosis
  • Chronic active hepatitis
  • Wilson's disease
  • Reviewed last on: 12/15/2010
  • Frank A. Greco, M.D., Ph.D., Director, Biophysical Laboratory, The Lahey Clinic, Burlington, MA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
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