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Homovanillic Acid (HVA), Random Urine

Test ID: HVAUR
Orderable by Ontario ND

Test

Method

LC-MS/MS

Report Includes

Creatinine; Homovanillic Acid; Homovanillic Acid/Creatinine Ratio

Specimens

Urine

Test Location

St. Michael's Hospital, 30 Bond Street, Toronto ON M5B 1W8

Test Version

15-Dec-2022

Specimen

Specimens

Urine

Collection Containers

Mid-stream urine container

Sample Volume

5 mL

Minimum Volume

2 mL

Pediatric Volume

2 mL

Pediatric Minimum

0.2 mL

Collection & Handling

Handling Information

Aliquot 2 mL urine and adjust pH to 2 – 4 with 6N Hydrochloric acid. Store and send cold or frozen.

Stability

Refrigerated 1 month
Frozen 90 days

Rejection Criteria

Other Specimen not between pH 2 - 4

Test Version

15-Dec-2022

Performance / Interpretation

Method

LC-MS/MS

Turnaround Time

6 days

Results

Name Units Reference Range Conversion Factor
Creatinine mmol/L
HVA Random µmol/L
HVA/Creat Ratio Random µmol/mmol cr
  • ≤ 1 y: ≤ 20.0
  • 2 y - 4 y: ≤ 14.0
  • 5 y - 9 y: ≤ 9.0
  • 10 y - 19 y: ≤8.0
  • ≥ 20 y: ≤6.0

Test Location

St. Michael's Hospital, 30 Bond Street, Toronto ON M5B 1W8

Test Version

15-Dec-2022

Interface / Setup

HL7 Interface Codes

Order Code Result Codes Units
HVAUR 28004Creatinine Rand Urine mmol/L
63036HVA Random umol/L
63037HVA/Creat Ratio Random umol/mmol cr

Test Version

15-Dec-2022