CARBON DIOXIDE, urine (087-0536)

Synonyms: CO2, urine

CPT 4 Code: 82374

Test Order Mnemonic: CO2 U

Lab: Clinical Chemistry

Request Form: Write in on Routine Chemistry Form 1

Collection: Random or 24-hour collection

Availability: Samples are received 24 hrs per day at Sample Management, Room 5.136 McCullough.

Turnaround Time: Routine: 4 hours, STAT: 1 hour

Special Instructions: Timed collections must have start date and time, finish date and time, and total volume on request form.

Specimen: Urine

Volume: 10 mL

Minimum Volume: 5 mL

Container: Plain tube or plastic cup with tight-fitting lid

Reference Ranges: Random: < 5 mmol/L; 24 Hours: < 5 mmol/24 hours

Test Method: Colorimetric

Reviewed/revised April 2007 by P. Harris