Casandra
Casandra Test Code QD24559Version 1 (DRAFT)
Performing Lab
Oxalic Acid, Adult, Urine with Creatinine
Also known as: Oxalate, Random Urine, Oxalic Acid, Random Urine
Clinical Use
Order TestUse
This test measures oxalic acid and creatinine levels in a random adult urine sample, assisting in the evaluation of metabolic conditions such as hyperoxaluria and risk of calcium oxalate kidney stones.
Special Instructions
Not provided.
Limitations
Not provided.
Test Details
Methodology
Automated Analyzer (Clinical Chemistry)
Biomarkers
Creatinine
AnalyteCreatinine
Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Oxalic Acid
AnalyteOxalic Acid
Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Result Turnaround Time
1-3 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Urine
Volume
2‑10 mL
Minimum Volume
2 mL
Container
Sterile screw cap container
Collection Instructions
Submit 2‑10 mL well‑mixed random urine; adjust pH to <3.0 with 6N HCl prior to aliquoting; refrigerate after collection.
Patient Preparation
Refrain from excessive ascorbic acid or oxalate‑rich foods for at least 48 hours prior to collection.
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 7 days |
| Refrigerated | 7 days |
| Frozen | 24 days |
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