Casandra
Casandra Test Code QD63122Version 1 (DRAFT)
Performing Lab
Chloride, 24‑Hour Urine without Creatinine
Clinical Use
Order TestUse
Urine chloride excretion approximates dietary chloride and parallels that of sodium intake. Increased urinary chloride levels can result from water‑deficient dehydration, diabetic acidosis, Addison’s disease, and salt‑losing renal disease. Conversely, decreased urinary chloride levels are associated with congestive heart failure, severe diaphoresis, and hypochloremic metabolic alkalosis due to prolonged vomiting.
Special Instructions
Not provided.
Limitations
Not provided.
Test Details
Methodology
Automated Analyzer (Clinical Chemistry)
Biomarkers
Chloride, 24 Hour Urine
AnalyteConcentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Result Turnaround Time
2 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Urine
Volume
10 mL aliquot of a 24‑hour urine
Minimum Volume
2 mL
Container
plastic urine container
Collection Instructions
Record total volume and collection time on specimen container and test requisition
Causes for Rejection
Urine preserved with HCl
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 14 days |
| Refrigerated | 14 days |
| Frozen | 60 days |