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Chloride, Random Urine
Test CodeUCL
Quest Code
14520
CPT Codes
82436
Preferred Specimen
10 mL of an unpreserved random urine collected in a plastic leak-proof container
Minimum Volume
2 mL
Other Acceptable Specimens
Random urine submitted in a UA Urinalysis Transport Tube (yellow-top, blue fill line preservative tube)
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: 2 Days
Report available: 2 Days
Reference Range
32-290 mmol/L
Clinical Significance
Urine chloride excretion approximates the dietary intake. The chloride content of most foods parallel 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.
Performing Laboratory
Quest Diagnostics Nichols Institute Valencia
27027 Tourney Road
Valencia, CA 91355-5386