Medical Health Encyclopedia

Urine melanin


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Urine sample
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Alternative Names

Thormahlen's test; Melanin - urine


Normal Values

Normally, melanin is not present in urine.


What abnormal results mean

If melanin is present in the urine, malignant melanoma is suspected.



Review Date: 08/24/2009
Reviewed By: 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.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org).




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