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Laboratory Test Directory

HVA and VMA

Components

Name Method Department Units
VMA and HVA, Urine Package Gas Chromatography/Mass spectrometry
Core Lab, Metabolic chemistry ug/mg Creatinine

Battery Members

HVA, VMA, urine creatinine

Specimen Requirements

Urine

Container Type Container Size Specimen Volume
Alternate

Sterile container

N/A 5 mL
Stability

Frozen - Indefinite week(s)

Specimen Preparation

  • Freeze immediately after collection.

Urine, 24 hours

Container Type Container Size Specimen Volume
Preferred

24 hour urine container

N/A
Stability

Refrigerated - 4 (from stop time) hour(s)
Frozen - Indefinitely week(s)

Specimen Preparation

  • Urine collection: Note start and stop dates and times on requisition
  • Refrigerate during collection
  • If delay in transport is greater than 4 hours, freeze

Reasons for Rejection

  • Collected in diaper or cotton balls
  • Not received at proper temperature
  • Not received within specified time frame

Comments

Urine collected for <24 hours will be treated as a random urine sample. 24 hour urine collections must include total volume collected, and both start and end collection dates and times. For 24-hour collection, keep the sample refrigerated and add the fresh void to the refrigerated sample pool.

CPT Code

  • 83150
  • 84585