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Test Code CO2 Carbon Dioxide Level (Bicarbonate CO2)

Additional Codes

LAB55

Aliases

Bicarbonate CO2, Bicarb Level

Collection Method

Venous collection

Minimum Volume

0.5ml

Container

Lt Green / Plasma Separator / Lithium Heparin

Acceptable Specimens

Serum:

  • Gold Top SST
  • Red Top

Plasma:

  • Light Geen Top (lithium heparin)

Reference or Target Ranges

Age Male Female
<6 years 18 - 27 18 - 27
6 - 17 years 20 - 29 20 - 29
> 18 years 22 - 29 22 - 29

 

Reportable Units

mmol/L

Critical Value

<12 mmol/L 

>45 mmol/L

Reasons for Rejection

Hemolysis Threshold 600 mg/dL
Icterus Threshold 60 mg/dL
Lipemia Threshold 1800 mg/dL
Other QNS, contaminated, improperly Labeled, improper specimen type

Specimen Stability

Ambient 40 hours
Refrigerated (4°C to 8°C) 7 days
Frozen(-40°C to 0°C) 6 months

Performance Information

Days and Time Performed 24/7
Expected Turn Around Time Stat: 1 hour
Routine: 4 hours
Stat Availability Yes
Performing Bench CPH Chemistry
Methodology/Method Description Roche Cobas

CPT Codes

82374

Last review/edit date

Feb 2024