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Chloride without Creatinine, 24-Hour Urine
Test Code11314
CPT Codes
82436
Includes
CPT code 81050 may be added at an additional charge for volume measurement
Preferred Specimen
10 mL of 24-hour urine, unpreserved, submitted in a plastic, leak-proof container
Minimum Volume
2 mL
Other Acceptable Specimens
24-hour urine submitted in a UA Urinalysis Transport Tube (yellow-top, blue fill line preservative tube), or preserved with Boric Acid, Acetic Acid, HCl, and submitted in plastic, leak-proof container
Instructions
Record total volume and collection time on specimen container and requisition.
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 14 days
Refrigerated: 14 days
Frozen: 60 days
Refrigerated: 14 days
Frozen: 60 days
Methodology
Ion Selective Electrode (ISE)
Setup Schedule
Monday-Sunday Morning
Report available: 4 Days
Report available: 4 Days
Reference Range
31-260 mmol/24 h
Clinical Significance
Urine chloride excretion approximates the dietary intake. The chloride content of most foods parallels that of sodium. An increase in urine chloride may result from water deficient dehydration, diabetic acidosis, Addison's Disease, and salt-losing renal disease. Decreased urine levels are seen in congestive heart failure, severe diaphoresis and in hypochloremic metabolic alkalosis due to prolonged vomiting.