24 %

5-HIAA (5-HYDROXY INDOLE ACETIC ACID), 24 HOUR URINE

67 Ratings

Rs 3,500 Rs 4,620

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5-HIAA is a major metabolite of Serotonin excreted in urine. Normally 1-3% of dietary Tryptophan is metabolized to serotonin but in patients with Intestinal Carcinoid syndrome, as much as 60% Tryptophan is converted to Serotonin.

50 mL (10 mL min.) aliquot of 24-hour Urine. 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.

HPLC

Sample Wed Sat by 9 am; Report Fri Tue

5-HIAA is a major metabolite of Serotonin excreted in urine. Normally 1-3% of dietary Tryptophan is metabolized to serotonin but in patients with Intestinal Carcinoid syndrome, as much as 60% Tryptophan is converted to Serotonin.

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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 hours before and during specimen collection.

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