Test ID: VMA
Vanillylmandelic Acid (VMA), 24 Hour, Urine
Secondary ID 
A test code used for billing and in test definitions created prior to November 2011
9454
Useful For Suggests clinical disorders or settings where the test may be helpful
This test (vanillylmandelic acid [VMA]), along with homovanillic acid, is useful for screening children for catecholamine-secreting tumors.*
*A positive test could be due to a genetic or non-genetic condition. Additional confirmatory testing is required.
Supporting a diagnosis of neuroblastoma
Monitoring neuroblastoma treatment
In the past, this test has been used to screen for pheochromocytoma. However, VMA is not the analyte of choice to rule out a diagnosis of pheochromocytoma. Recommended tests for this purpose are:
-#81609 Metanephrines, Fractionated, Free, Plasma
-#83006 Metanephrines, Fractionated, 24 Hour, Urine
-#9276 Catecholamine Fractionation, Free, Urine
Special Instructions and Forms Describes specimen collection and preparation information, test algorithms, and other information pertinent to test. Also includes pertinent information and consent forms to be used when requesting a particular test
Method Name A short description of the method used to perform the test
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
Reporting Name A shorter/abbreviated version of the Published Name for a test; an abbreviated test name
Vanillylmandelic Acid, 24 Hr, U
Aliases Lists additional common names for a test, as an aid in searching
3-methoxy-4-hydroxymandelic acid
4-hydroxy-3-methoxymandelic acid
Neuroblastoma Profile (See Q & A Section of MayoAccess)
Vanilmandelic acid
VMA, Urine
4-hydroxy-3-methoxymandelic acid
Neuroblastoma Profile (See Q & A Section of MayoAccess)
Vanilmandelic acid
VMA, Urine
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