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Test ID:
OXALHAM U
Oxalate, 24hr Urine
Orderable by Ontario ND
Test Overview
Method
Enzymatic
Result Included
Oxalate
Aliases/Synonyms
Oxalic Acid
Specimen
Volume
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 2-2.5 with 6N HCl. Aliquot into transfer vial. Store and send cold.
Stability
| Refrigerated | Frozen |
|---|---|
| 14 days | 30 days |
Performance & Interpretation
Turnaround Time
16 days
Results
Name
Units
Reference Range
Conversion
-
Oxalateµmol/d110 - 440
Referral Location
Canada
Interface & Setup
HL7 Interface Codes
| Order Code | Result Name | Result Codes | Units |
|---|---|---|---|
| OXALHAM U | OXALATE 24 HOUR URINE | 65468 | umol/d |
| VOLUME OF URINE 24 HR IN L (IN HOUSE) | 34592 | L | |
| OXALATE URINE | 65467 | umol/L |
Test Version
Last Updated
2025-07-17