Chloride, Urine
Also known as: U CL
Use
The Chloride, Urine test, also referred to as U CL, is primarily used to assist in the evaluation and management of electrolyte and acid-base disorders. It is particularly useful in the diagnosis and monitoring of conditions related to nephrolithiasis (kidney stone disease) and other renal conditions. By measuring the chloride concentration in urine, clinicians can gain insight into the patient's electrolyte balance, kidney function, and potential metabolic disturbances.
Special Instructions
Patients should collect a 24-hour urine sample without additives, keeping the collection refrigerated. Alternatively, a random urine sample is also acceptable. It is important to record the total volume and collection time interval on both the transport tube and the test request form to ensure accurate analysis and interpretation.
Limitations
The test results may be affected by deviations in collection time or urine volume. Ratios of analytes to corresponding urine creatinine concentration can assist in result interpretation, especially for specimens with notable deviations in these parameters. Additionally, reference intervals for random urine specimens have not been established, which may limit the interpretative value of random urine samples in some diagnostic contexts.
New York Approved
Methodology
Other
Biomarkers
LOINC Codes
- 35676-6
- 35674-1
- 2162-6
- 2079-2
- 19153-6
- 30211-7
Result Turnaround Time
0-1 days
Related Documents
For more information, please review the documents below
Specimen
Urine
Volume
Not provided
Minimum Volume
0.5 mL
Container
ARUP Standard Transport Tube
Collection Instructions
Collect a 24-hour urine sample without additives. Refrigerate during collection. A random urine specimen is also acceptable.
Storage Instructions
Refrigerated
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 7 days |
| Refrigerated | 2 weeks |
| Frozen | 1 month |