Urine melanin


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Urine sample
Urine sample
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: 04/29/2005
Reviewed By: Frank A. Greco, M.D., Ph.D., Director, Biophysical Laborartory, The Lahey Clinic, Burlington, MA. Review provided by VeriMed Healthcare Network.


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