5-HIAA (5-Hydroxy Indole Acetic Acid) 24 Hour Urine Test
5-HIAA (5-Hydroxy Indole Acetic Acid) 24 Hour Urine Test test available at DNA Labs India for ₹5,000. Uses High Performance Liquid Chromatography on 24-hour urine samples. Results in Reports available within 1 week.. Free home collection in 300+ cities across India.
🩺 Medically Reviewed By
Dr Pasupathy Arumugam
Consultant Pathologist · Reg: 21521
Last reviewed: September 7, 2026
Overview
To measure 5-HIAA levels in urine to aid in the diagnosis of carcinoid tumors and monitor their treatment.
- Test Code
- 46
- Price
- ₹5,000
- Sample Type
- 24-hour urine
- Result Time
- Reports available within 1 week.
- Fasting Required
- No
- Method
- High Performance Liquid Chromatography
Sample Collection
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.
Method: 24-hour urine collection
Laboratory Analysis
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.
Report Delivery
Ship refrigerated or frozen. Sample stability: Room Temperature: 8 hrs, Refrigerator: 7 days, Frozen: 30 days.
Timeline: Reports available within 1 week.
Patient Instructions
About This Test
Who Should Get This Test
To measure 5-HIAA levels in urine to aid in the diagnosis of carcinoid tumors and monitor their treatment.
How to Prepare
- Collect urine over a 24-hour period.
- Add 50% HCl as preservative to maintain pH between 1-2.
- Record total urine volume.
- Avoid specified foods, drugs, and substances for 72 hours before and during collection.
- Refrigerate or freeze sample after collection.
- Ship sample to laboratory promptly.
Doctor's Notes
Reviewed by Dr Pasupathy Arumugam — MBBS, MD (Pathology) · Reg. No. 21521
Last medically reviewed: September 7, 2026
Test Parameters & Specifications
Sample Stability
- Sample not collected with preservative.
- Incorrect pH due to improper HCl addition.
- Sample contaminated with food or drug residues from non-compliance.
Understanding Your Results
If you experience symptoms such as flushing, diarrhea, abdominal pain, or other signs of carcinoid tumors, consult your doctor for evaluation. If test results are abnormal, seek immediate medical advice for further diagnosis and treatment.
Limitations
- ⚠Not all carcinoid tumors may show elevated 5-HIAA levels.
- ⚠A combination of tests may be needed for accurate diagnosis.
- ⚠Results can be affected by dietary and medication factors if precautions are not followed.
Risks & Considerations
- ●Non-invasive test with minimal risks.
- ●Potential for inaccurate results if collection instructions are not followed.
Interfering Factors
- ●Banana
- ●Kiwi
- ●Walnut
- ●Avocado
- ●Brinjal (eggplant)
- ●Pineapple
- ●Plum
- ●Tomato
- ●Fluorouracil
- ●Melphalan
- ●Paracetamol
- ●Acetaminophen
- ●Heparin
- ●L-dopa
- ●Reserpine
- ●Salicylates
- ●Chlorpromazine
- ●Imipramine
- ●Isoniazid
- ●MAO inhibitors
- ●Phenothiazines
- ●Promethazine
- ●Alcoholic beverages
- ●Caffeine
- ●Tea/coffee
- ●Tobacco
- ●Strenuous exercise
Frequently Asked Questions
What is the 5-HIAA 24-hour urine test?
Why is this test done?
What is the cost of the test in India?
What are the symptoms of carcinoid tumors?
How do I prepare for the test?
What is the sample collection process?
Are there any dietary restrictions?
Which medications should be avoided?
How long does it take to get results?
Is home collection available?
What if my test results are abnormal?
Can this test diagnose all carcinoid tumors?
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