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Test Code UMELQ Melanin, Urine

Collection Container

Urine

Specimen Required

24 Hour urine

Specimen Volume

4 mL

Minimum Specimen Volume

2.5 ml

Special Handling Instructions

Protect specimen from light and freeze.

Transport Temperature

Freeze

Specimen Stability

Room temperature: unstable, Refrigerated: unstable

Reasons for Rejection

Refrigerated, room temperature samples or samples exposed to
light

Methodology

Colorimetry

CPT Code

81005

LOINC Code

2607-0