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Cholride, 24 hour urine

Test Code
24CL


CPT Codes
81050, 82436

Preferred Specimen
24-hour urine


Instructions
Submit an entire 24-hour urine collection in a urine container supplied. No preservative. Note: 1. Starting and ending times of collection and total volume are required on request form for processing. 2. See "Urine Collection" in "Special Instructins."


Transport Container
24-hour Urine Container


Transport Temperature
Refrigerate.


Methodology
Ion-Selective Electrode (ISE) Potentiometric

Reference Range
110-250 mmol/24 hr


Clinical Significance
Urine chloride excretion approximates the dietary intake. The chloride content of most foods parallels that of sodium. An increase ine urine chloride may result from water deficient dehydration, diabetic acidosis, Addison's Disease, and salt-losing renal disease. Decreased chloride urine levels are seen in congestive heart failure, severe diaphoresis abd in hypochloremic metabolic alkalosis due to prolonged vomiting.




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.