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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
  1. Oxalate
    µmol/d
    110 - 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