Creatinine; Homovanillic Acid; Homovanillic Acid/Creatinine Ratio
Back to Test Catalogue
Homovanillic Acid (HVA), Random Urine
Test ID: HVAUR
Orderable by Ontario ND
Test
Method
LC-MS/MS
Report Includes
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 |
|
||
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