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HVA, Random Urine

Container Type = Random Urine

Specimen Type

Test ID    LAB401
EPIC Order
    HOMOVANILLIC ACID, RANDOM URINE
CPT Code(s)   83150
Group/Individual Test   Individual
Laboratory   Core Referral Testing 
Tube Station   30
Specimen Routine: 10 mL random urine container, keep refrigerated; See comment.
  Micro:  2 mL random urine 
Availability Routine: Reference Laboratory - Mayo Clinic Laboratories
Turnaround Time   4-6 days
Reference Range   see separate report
Comment
  • Discontinue administration of L-dopa 24 hours prior to and during collection of specimen.
  • Bactrim may interfere with detection of the analyte. Note to lab if patient is taking Bactrim at time of collection.

Reviewed by J. Carr on December 03, 2025

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514