Casandra
Casandra Test Code QD27710Version 1 (DRAFT)
Performing Lab
Lab Quest DiagnosticsLab Test ID 11004
Citric Acid, Urine with Creatinine
Clinical Use
Order TestUse
Used to quantitatively assess citric acid levels in a random (non–24-hour) urine specimen; it may help assess the risk of calcium stone formation in the kidneys and inform patient management.
Special Instructions
Not provided.
Limitations
Not provided.
Test Details
Methodology
Other
Biomarkers
Citric Acid
AnalyteCitric Acid/Creatinine Ratio
Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Creatinine
AnalyteCreatinine, Random Urine
Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Result Turnaround Time
2-4 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Urine
Volume
10 mL
Minimum Volume
1.5 mL
Container
clean catch urine collected in a sterile screw‑cap container
Storage Instructions
Refrigerated (cold packs)
Causes for Rejection
Acidified urine
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 8 hours |
| Refrigerated | 30 days |
| Frozen | 60 days |
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