Yale New Haven Hospital

Department of Laboratory Medicine
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CO2, total

Lab Section: 

Chemistry

 

Lab Location: 

Main Lab

Test ID: 

LAB55

 

Synonyms: 

Bicarbonate

Methodology: 

Enzymatic

Schedule: 

On request

Reported: 

1 Hour for stats; 4 Hours for routines.

Specimen Requirements: 

Collection: 2.0 mL Primary Light Green; Dark Green and Gold Top tube accepted.
Pediatric volume: 0.3 mL.
CO2 is most accurately determined when the assay is done
immediately after opening the tube and as promptly as possible after collection and centrifugation of
the blood in the unopened tube.

 

Notes: 

Can only be added-on if tube has not been opened. Once the cap has been removed , CO2 cannot be added.

Reference Interval: 

20-30 mmol/L

CPT Code(s): 

82374

Last Changed: 

6/22/2018 2:47 PM

Last Reviewed: 

08/08/2017 13:20:36