A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #

Carbon Dioxide (CO2)

Test Code
LAB55


Alias/See Also
1231100080


CPT Codes
82374

Includes
CARBON DIOXIDE (CO2)


Preferred Specimen
CLINIC COLLECTIONS: Gold/SST (Gel separator preferred)


Minimum Volume
CLINIC COLLECTIONS: 0.5 mL serum


Other Acceptable Specimens
Na Hep Green top tubes (Contact Lab)


Instructions
Specimen must be centrifuged within 2 hours after collection and plasma pulled off cells.


Specimen Stability
Room Temperature: centrifuge within 2 hours, Refrigerated: 7 days


Methodology
Abbott Alinity

Reference Range
Males/Females:
0-15 Years: 18.0-27.0 mEq/L
15-18 Years: 25.0-35.0 mEq/L
Adults: 22.0-29.0 mEq/L


Performing Laboratory
ARKADELPHIA LABORATORY CONWAY LABORATORY FORT SMITH LABORATORY HEBER SPRINGS LABORATORY LITTLE ROCK LABORATORY NORTH LITTLE ROCK LABORATORY STUTTGART LABORATORY VAN BUREN LABORATORY MALVERN LABORATORY EL DORADO LABORATORY MAGNOLIA LABORATORY DREW COUNTY LABORATORY


Last Updated: August 26, 2026


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.