Random Urine, Vanillylmandelic Acid (VMA) Build info

Synonyms

• VANILLYLMANDELIC ACID, RANDOM URINE
• LAB11675

Short Name

VANILLYLMANDELIC ACID, RANDOM URINE

Procedure Master Number

LAB11675

Procedure ID

NWH_158283800

Clinical Info

Pediatric testing for the evaluation of hypertension; diagnose and follow up neuroblastoma, ganglioneuroma, and ganglioneuroblastoma. Most neuroblastoma patients excrete excess HVA in 24-hour collections. If VMA and HVA are both used in work-up, up to 80% of all cases will be detected.

Specimen Type

Urine

Container

Urine Cntr

Collection Instructions

Container/Tube: Plastic Urine Tube or Cup no preservative
Specimen: 10 ml Aliqout Random Urine (2 mL min)
Transport Temperature: Refrigerated
Stability: 7 Days Room Temperature
               14 Days Refrigeratesd or Frozen
Patient Preparation:  Patient should avoid salicylates, caffeine, phenothiazine, and antihypertension agents. Also coffee, tea, chocolate, fruit (especially bananas and any vanilla-containing substances for 72 hours prior to collection).
 

Transport Instructions

Refrigerated

Specimen Stability

7 Days Room Temperature
               14 Days Refrigeratesd or Frozen
Patient Preparation:  Patient should avoid salicylates, caffeine, phenothiazine, and antihypertension agents. Also coffee, tea, chocolate, fruit (especially bananas and any va

Methodology

Liquid chromatography/tandem mass spectrometry (LC/MS-MS)
 
This test was developed and its performance characteristics determined by LabCorp. It has not been cleared or approved by the Food and Drug Administration.

Days Performed

Performing Laboratory

LabCorp

CPT

82570
84585
 
LOINC Code: 3124-5

PDM

5901370

Results