5-HIAA Random Urine

Test ID: ZG863

CPT code: 82570, 83497
Specimen Type: Plastic random urine container, no preservative
Frequency: 4 – 8 days working next day.
Instructions: 1 mL Urine from Plastic urine container, no preservative, Ambient. Min 0.3 mL aliquot.
Text: 5-HIAA is the major urinary metabolite of serotonin. Serotonin, and consequently 5-HIAA, are produced in excess by most carcinoid tumors, especially those producing the carcinoid syndrome of flushing, hepatomegaly, diarrhea, bronchospasm and heart disease. Scrupulous care must be taken that specimen collection and patient preparation have been correct.
Methodology: Liquid chromatography/tandem mass spectrometry (LC/MS-MS)

Test Name

AMS Laboratory

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