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Test Code
HVARA
Test Name
Homovanillic Acid (HVA), Random Urine
CPT Codes
82570, 83150
Included Tests
  • HVA, Random U
  • Creatinine, Random U
  • HVA/Crt, Random U
Expected Turnaround Time
4 - 7 days
Clinical Utility

Diagnose neuroblastoma, ganglioneuroblastoma, and pheochromocytoma; follow course of tumor treatment.
Specimen and Container Info

Specimen Type: Random Urine

 

Collection Container: Plastic Urine Container (Preservative Free)   

 

Desired Specimen Volume: 10 mL
Collection Instructions
  1. Collect random urine in a plastic urine container (preservative free).
Processing and Submission Instructions
  1. Transfer 10 mL of urine in the original collection container.
Patient Preparation

Patient should avoid aspirin, disulfiram, reserpine, and pyridoxine, if possible at least 48 hours prior to collection of the specimen. Levodopa should be avoided for two weeks before collection.
Transport Instructions

Transport to the laboratory refrigerated. 
Stability Requirements

Room Temperature

14 days

Refrigerated

14 days

Frozen

14 days

Freeze/Thaw Cycles

Stable x3
Methodology
Liquid Chromatography - Tandem Mass Spectrometry (LC-MS/MS)
Reference Intervals

See patient report.
Limitations
Alternate Names
  • HVA, Random Urine
Reference Lab
Labcorp Of America Holdings
Testing Schedule
Varies
The American Medical Association (AMA) Current Procedural Terminology (CPT) codes published by HNL Lab Medicine are guidelines and are intended for informational purposes only. CPT coding is the exclusive responsibility of the billing entity. View the Terms.
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