Measures homovanillic acid (HVA) in a urine sample. HVA is a breakdown product of dopamine.
Used mainly to diagnose and monitor neuroblastoma in children. A urine test shows how much is being passed by the kidneys.
Newborns and children, as advised by the paediatrician.
No fasting needed. Give a first-morning, mid-stream urine sample in a sterile container.
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No fasting is needed. You can eat and drink normally unless your doctor has advised otherwise.
Urine sample — preferably first-morning, mid-stream, in a sterile container.
Usually within 9–10 days after the sample reaches the lab. You will receive the report online.
