Test Center

My Recent Searches

  • No Recent Search.

My Tests Viewed

  • No Test Viewed.
Test Name

VMA (Vanillylmandelic Acid), 24-Hour Urine without Creatinine

CPT Code(s)

84585

Methodology

High Performance Liquid Chromatography (HPLC)

Limitations

Requires accurate 24-hour urine collection.

Reference Range(s)

3-8 Years ≤2.3 mg/24 h
9-12 Years ≤3.4 mg/24 h
13-17 Years    ≤3.9 mg/24 h
>17 Years ≤6.0 mg/24 h

Clinical Significance

Vanillylmandelic acid (VMA) is the major urinary product 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.

To view specimen requirements and codes please Select a regional laboratory.

Not sure which laboratory serves your office? Call us 866-MYQUEST (866-697-8378)

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.

934X
934
934
934
934
934
934
934X
934
934X
934
934X
934
934X
S52103N
934
934X
934
934
11934
934
934
VMA (Vanillylmandelic Acid), 24-Hour Urine without Creatinine
934