Calcium, 24 Hour Urine

Test Code
24CA


CPT Codes
81050, 82340

Preferred Specimen
10 ml aliquot from 24 hr urine


Instructions
Submit an entire 24-hour urine collection in a urine container supplied. No preservative. Send specimen refrigerated. Note: Starting and ending times of collection are required on request form for processing. See "Urine Collection"


Transport Container
24 Urine container


Transport Temperature
Refrigerate


Methodology
Colorimetric

Reference Range
Average calcium intake diet: 100 - 300 mg/24 hrs


Clinical Significance
Useful for determining the amount of calcium excreted in urine.




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.