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VMA (Vanillylmandelic Acid), 24-Hour Urine without Creatinine
- Ordering Info
High Performance Liquid Chromatography (HPLC) • Electrochemical Detection
|3-8 Years||≤2.3 mg/24 h|
|9-12 Years||≤3.4 mg/24 h|
|13-17 Years||≤3.9 mg/24 h|
|Adult||≤6.0 mg/24 h|
Vanillylmandelic Acid (VMA) is the major urinary project resulting from the metabolic degradation of catecholamine, norepinephrine and epinephrine. Elevated concentrations of VMA are commonly found in cases of catecholamine secreting tumors such as pheochromocytoma, neuroblastoma, and ganglioneuroma.
Drugs which can interfere with testing due to physiologic response: clonidine, L-dopa, methocarbamol, monoamine oxidase inhibitors, reserpine, salicylates.
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Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.
The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.
* The tests listed by specialist are a select group of tests offered. For a complete list of Quest Diagnostics tests, please refer to our Directory of Services.