VMA
Also known as: VMAU
Formal name: Vanillylmandelic acid, urine
Related tests: Catecholamines, Plasma Free Metanephrines, Urine Metanephrines, Homovanillic Acid (HVA), Creatinine, urine
At a Glance
Why Get Tested?
To help diagnose or rule out a neuroblastoma, pheochromocytoma, or other neuroendocrine tumor; to monitor the effectiveness of treatment
When to Get Tested?
If you are a child with an abdominal mass, bruising around the eyes, trouble walking, or bone pain; if you are someone with symptoms of increased catecholamine release, such as persistent or episodic high blood pressure, severe headaches, rapid heart rate, and sweating; when you have been treated for a neuroendocrine tumor, such as neuroblastoma or pheochromocytoma
Sample Required?
A 24-hour urine sample is preferred; sometimes a random urine sample is acceptable.
Test Preparation Needed?
This test is affected by caffeine, certain drugs, and stresses. Inform your doctor of any medications you are taking and follow any instructions you are given for things to avoid before sample collection.
