Serotonin, Urine

CERNER / EPIC MNEMONIC: U/5-HIAA
POE DESCRIPTION: URT HYDROXYINDOLEACETIC ACID; URT 5HIAA
CPT CODE:

83497-90

TURNAROUND TIME:

5-7 working days

SPECIAL INSTRUCTIONS:

Patient should abstain, if possible, from medications, over-the-counter drugs and herbal remedies for at least 72 hours prior to collection.  Patients should not eat avocados, bananas, eggplant, pineapple, plums, tomatoes or walnuts for a 48-hour period prior to start of urine collection.

CONTAINER TYPE:

24-hour urine bottle, Chemistry bottle #4 (containing 10 mL 6N HCl).  Caution: 6N HC1 is caustic.

or 24-hour urine bottle #1, if kept refrigerated.

SPECIMEN REQUIREMENTS: 24-hour urine
MINIMUM VOLUME: Submit entire urine collection to the laboratory.
HANDLING INSTRUCTIONS: Refrigerate during collection
REFERENCE RANGE: See Specialty Labs - Search Test Code 3310U
TEST SYNONYM(S):5-Hydroxyindoleacetic Acid, Quantitative, Urine; 5-HIAA, Quantitative, Urine; Serotonin Metabolite; Urine 5-HIAA