5-HIAA (Hydroxyindoleacetic Acid) – Spot Urine Test ₹3500

Measures the level of 5-HIAA, a breakdown product of serotonin, in a spot urine sample. Helpful in evaluating carcinoid tumors and disorders affecting serotonin metabolism.

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Quick Details

Test Price ₹3500

Fasting Required No (Diet restrictions may apply)

Sample Type Urine (Spot Sample)

Report Time 3–5 Working Days*

What is the 5-HIAA Spot Urine Test?

The 5-HIAA (5-Hydroxyindoleacetic Acid) test measures the amount of 5-HIAA in urine. 5-HIAA is the primary breakdown product of serotonin, a chemical involved in mood, digestion, and other body functions. Elevated levels may indicate carcinoid tumors, which can produce excess serotonin. A spot urine test provides a convenient method for evaluating serotonin metabolism.

Who should take this test?

Patients with symptoms suggestive of carcinoid tumors.
Individuals experiencing flushing, diarrhea, or wheezing without a clear cause.
Monitoring patients diagnosed with neuroendocrine tumors.
Doctor-advised evaluation of serotonin metabolism disorders.
Follow-up testing after abnormal serotonin-related lab results.

Preparation & Test Process

Fasting

Fasting is not required for this test.

Sample Type

Single urine (spot) sample collected in a sterile container.

Dietary Restrictions

Avoid certain foods such as bananas, pineapple, walnuts, tomatoes, and avocados for 24 hours before testing if advised by your doctor.

Medication Note

Inform your doctor about medications that may affect serotonin levels.

How to interpret results

Results are reported as 5-HIAA concentration in urine.

High levels may suggest the presence of carcinoid tumors or serotonin-producing neuroendocrine tumors.
Normal levels generally indicate normal serotonin metabolism.

Interpretation should always be done by your doctor along with clinical findings and other diagnostic tests.

FAQs – 5-HIAA Spot Urine Test

It measures the breakdown product of serotonin in urine.

Certain foods can temporarily increase serotonin levels and affect test accuracy.

Yes. A spot sample is often used for screening, though a 24-hour urine test may be advised in some cases.

No. It only requires providing a urine sample.

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Disclaimer: This page is for informational purposes only. Consult your doctor for medical advice. All tests processed with NABL-aligned quality standards.