Oxalic Acid
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Oxalate, 24hr Urine – Temporarily Unavailable
Test ID: OXALHAM U
Orderable by Ontario ND
Test
Aliases/Synonyms
Method
Enzymatic
Report Includes
Oxalate
Test Version
11-Jul-2025
Specimen
Sample Volume
10 mL
Patient Preparation
The patient should be restricted from Vitamin C-rich foods and Vitamin C supplements for at least 48 hours prior to and during collection period.
Collection & Handling
Collection Instructions
Keep sample cold (refrigerated) during collection.
Handling Information
Adjust specimen to pH 1-3 with 6N HCl. Aliquot into transfer vial. Store and send cold.
Stability
| Refrigerated | 14 days |
|---|---|
| Frozen | 30 days |
Test Version
11-Jul-2025
Performance / Interpretation
Method
Enzymatic
Turnaround Time
16 days
Results
| Name | Units | Reference Range | Conversion Factor | |
|---|---|---|---|---|
| Oxalate | µmol/d |
|
||
Test Version
11-Jul-2025
Interface / Setup
HL7 Interface Codes
| Order Code | Result Codes | Units |
|---|---|---|
| OXALHAM U | 65468OXALATE 24 HOUR URINE | umol/d |
| 34592VOLUME OF URINE 24 HR IN L (IN HOUSE) | L | |
| 65467OXALATE URINE | umol/L |
Test Version
11-Jul-2025