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Carbon Dioxide (CO2), Plasma or Serum*

Important Note

*This test is orderable in Cerner as Carbon Dioxide Level

Methodology

Colorimetric Absorbance

Performing Laboratory

Rutland Regional Medical Center Laboratory

Specimen Requirements

Specimen Type: Blood

Container/Tube:

Preferred: Light-green top (lithium heparin gel)

Acceptable: Gold top, serum gel

Specimen Volume: Full tube

Specimen Minimum Volume: 2 mL

Collection Instructions:

1. Send specimen in original tube.

2. If there is a delay in transport of >1 hour, centrifuge tube.

Specimen Transport Temperature

Refrigerated

Normal Reference Values

21-32 mEq/L

Day(s) Performed

Daily

Available STAT

Analytical Time:

1 day

Test Classification and CPT Coding

82374

Critical Values

<9 mEq/L (automatic call-back)