5-HIAA (5-HYDROXY INDOLE ACETIC ACID), 24 HOUR URINE (U034)
About This Test
Test Parameters (1)
- 5-HIAA (5-HYDROXY INDOLE ACETIC ACID), 24 HOUR URINE
Preparation / Prerequisite
50 mL (10 mL min.) aliquot of 24-hour Urine in a sterile container. Collect urine with appropriate volume of 50% HCl to maintain pH between 1–2. Do not use concentrated HCl. Record 24 hour volume on test request form and urine container. Ship refrigerated or frozen. Patient should strictly avoid banana, kiwi, walnut, avocado, brinjal, pineapple, plum, tomato & drugs like Fluorouracil, Melphalan, Paracetamol & Acetaminophen, Heparin, L-dopa, Reserpine, Salicylates, Chlorpromazine, Imipramine, Isoniazid, MAO inhibitors, Phenothiazines, Promethazine, alcoholic beverages, caffeine, tea/coffee, tobacco and strenuous exercise at least 72 hrs before and during specimen collection.
Frequently Asked Questions
TAT Policy
The Turnaround Time (TAT) depends on the following factors:
- Registration date and time
- Type of scan or test
- Scan time or sample collection time
In uncommon circumstances, TAT may be delayed due to test complexity or reasons beyond our control. You will be informed of the estimated TAT at the time of registration.
