Vanillylmandelic Acid, Random Urine VMARU

Synonyms
Allscripts (AEHR) Order Name	VMA Random Urine
Sunrise Clinical Manager (SCM) Order Name	Vanillylmandelic Acid, Random Urine
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
Result Interpretation Pediatric patients and adults: VMA:creatinine ratio • Up to 2 years: 0.0−18.8 mg/g creatinine • 2 to 4 years: 0.0−11.0 mg/g creatinine • 5 to 9 years: 0.0−8.3 mg/g creatinine • 10 to 19 years: 0.0−8.2 mg/g creatinine • Older than 19 years: 0.0−6.0 mg/g creatinine TAT: 5-8 Days
Forms