Unit Code 9254:
Vanillylmandelic Acid (VMA) and Homovanillic Acid (HVA), Pediatric, Urine
Useful For 
Suggests clinical disorders or settings where the test may be helpful
Children, when a 24-hour collection is problematic
Screening for catecholamine-secreting tumors in children
Supporting a diagnosis of neuroblastoma
Monitoring neuroblastoma treatment
Method Name A short description of the method used to perform the test
Liquid Chromatography-Tandem Mass Spectrometry
(LC-MS/MS) Stable Isotope Dilution Analysis
Reporting Name A shorter/abbreviated version of the Published Name for a test; an abbreviated test name
VMA and HVA, Pediatric, U
Ordering Mnemonic An alternate Mayo code (to the Unit Code) for a test
VH
Aliases Lists additional common names for a test, as an aid in searching
Soft-VH
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