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Epic Code LAB797 Homovanillic Acid (HVA), Urine

Test Name Alias

Homovanillic Acid Urine | HVA | 8774

Interface Order Alias

10685

Collection Instructions

24 Hour Urine Collection

Specimen Collection: Urine, 24 Hour 

 

Container(s): Plastic 24-hour urine jug

Preferred Volume to Collect: 24 hour collection

 

Collection Instructions:

  • Addition of 50% acetic acid prior to start of collection is preferred but not required. Refrigeration during and after urine collection is an acceptable means of urine preservation. If adding preservative:
    • Add 25 mL 50% acetic acid at start of collection
    • Children under 5 years, add 15 mL 50% acetic acid
  • 24 hour urine collection.
  • Refrigerate during collection and transport
  • Keep container upright at all times and check that lid is fastened evenly and securely.
  • Patient Collection Instructions available in Reference Material section.

 

Random Urine Collection (Pediatric patients only!)

Specimen Collection: Urine, Random

 

Container(s):  Sterile Urine Cup 

Preferred Volume to Collect: 7.0 mL

Minimum Volume to Collect: 1.0 mL

 

Collection Instructions:

  • Keep container upright at all times and check that lid is fastened evenly and securely.

  • Random urine acceptable for pediatric patients only.

Processing Instructions (Laboratory, Outpatient or Off-site collection)

Transport Temperature: Refrigerate

Specimen Stability

Refrigerate: 7 days

Frozen: 7 days

Laboratory Retention: 10 days (representative
acidified aliquot)

Test Frequency

Available 24 hours, usual TAT 1-3 days.

STATs performed anytime.

STAT TAT 4 hours.

Reference Range

HVA Adult
Male/Female
15 Years – 150 Years: 0 – 7.9 mg/24hrs

HVA Child
Male/Female
0 Minutes – 12 Months: 0 – 34.9 mcg/mgCreat

12 Months – 24 Months: 0 – 22.9 mcg/mgCreat
24 Months – 5 Years: 0 – 13.4 mcg/mgCreat
5 Years – 10 Years: 0 – 8.9 mcg/mgCreat
10 Years – 15 Years: 0 – 11.9 mcg/mgCreat

Performing Department

TOXICOLOGY

Performing Department Laboratory Location

Spectrum Health Regional Laboratory, Grand Rapids, MI

Methodology

Liquid Chromatography-Mass Spectrometry

 

This test was developed and its performance characteristics determined by Spectrum Health Toxicology Laboratory. It has not been cleared or approved by the FDA. The laboratory is regulated under CLIA as qualified to perform high-complexity testing. This test is used for clinical purposes. It should not be regarded as investigational or for research.

 

CPT

83150

CDM Code

4028774

Epic Test ID

1230100808

LOINC

HVA mg per L: N/A

Collection Duration HVA: 13362-9

Urine Volume HVA: N/A

Creat HVA mg per dL: N/A

HVA Child : 11146-8

HVA Adult: 2436-4

Beaker LOINC

HVA 24 HOUR: 2436-4
HVA RANDOM: 11146-8
URINE CREATININE MG PER DL: 2161-8

Mayo Access Code

SHO8774

Reviewed Date

12/6/2021

Beaker Names

Beaker Procedure Name: HVA URINE
Beaker Display Name: Homovanillic Acid (HVA), Urine
BEAKER TEST NAME: HVA, URINE
BEAKER TEST REPORT NAME: HVA, Urine

Beaker Synonyms

No synonym on file

Beaker Collection and Specimen Handling

BEAKER COLLECTION: LOOK+LOOK

Beaker Location, Container and Temperature

BW TOXICOLOGY: 24 HR URINE CONTAINER ACETIC (Preferred)-Refrigerated