Feedback
Melanin, Urine
0020226
Ordering Recommendation
Mnemonic
UMEL
Methodology
Qualitative Colorimetry
Performed
Sun-Sat
Reported
Within 24 hours
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
 
Collect
Random urine. 
Specimen Preparation
Protect from light during collection, storage, and shipment.. Transfer a 4 mL aliquot (Min: 2.5 mL) from a well-mixed urine collection to an ARUP Amber Transport Tube
(ARUP Supply #13654). Available online through eSupply using ARUP Connect™or contact ARUP Client Services at (800) 522-2787. 
Storage/Transport Temperature
CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered. 
Unacceptable Conditions
Specimens exposed to light. 
Remarks
 
Stability
Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 1 week 
Reference Interval
Negative
Interpretive Data


Components
Component Test Code*Component Chart NameLOINC
0020226Urine Melanin2606-2
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Thormahlen's test
  • urinary melanin concentration
  • urinary melanin level