Measures vanillylmandelic acid (VMA) in urine collected over 24 hours. VMA is a breakdown product of adrenaline and noradrenaline.
Helps screen for adrenaline-producing tumours such as pheochromocytoma and neuroblastoma (in children). A 24-hour collection gives a more accurate picture of the total amount passed in a day than a single sample.
Symptoms suggesting hormonal imbalance — weight change, fatigue, BP changes, growth problems — usually as advised by a doctor.
No fasting needed. Collect all urine for 24 hours in the container provided (discard the first morning urine on day 1, include it on day 2).
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No fasting is needed. You can eat and drink normally unless your doctor has advised otherwise.
24-hour urine collection in a container provided by the lab (some tests need a preservative).
Usually within 4–5 days after the sample reaches the lab. You will receive the report online.
