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Test Code LAB55 Carbon Dioxide (CO2)

Specimen Requirement

0.5 mL Lithium Heparin plasma; only PST acceptable.

 

Tests performed on a fingerstick or heelstick specimen (capillary) will be noted as such.

Venous or arterial collection is the specimen of choice.

Samples should be tightly capped to prevent decreased CO2 levels.

Specimen Stability

Lithium Heparin 2 hours at 20-25° C

Lithium Heparin: 2 days at 2-8° C

 

 

 

 

Testing Schedule

Daily

Reference Range

23 – 33 mmol/L

Testing Department

Chemistry

Method

Enzymatic

CPT Code

82374

Additional Testing Locations

This test is also performed daily at the following Altru Clinics:

  • Crookston
  • Devils Lake

Please contact appropriate lab location for specific test information, as methodology varies by site.