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Test Code CO2 Carbon dioxide

Alias

Carbon dioxide

Bicarbonate

Collection Method

Venous Collection

Container

Light Green Lithium Heparin tube

Instructions/Special Handling

None

Preferred Specimen

Light Green (Lithium Heparin) Plasma

Acceptable Specimes

  • Serum
    • Gold SST tube
    • Red tube
  • Plasma
    • Light Green lithium heparin

Units

mmol/L

Reference Ranges

Adult (>18 years old):  22 - 32 mmol/L

Pediatric (0 days - 18 years):  20 - 30 mmol/L

Critical Values

Low:  </= 10 mmol/L

High:  >/= 40 mmol/L

Reasons for Rejection

Hemolysis N/A
Icterus N/A
Lipemia Grossly Lipemic
Other QNS, Contaminated, Improperly labeled, Improper specimen type

 

Specimen Stability

Ambient (15-25°C) 40 hours, uncapped
Refrigerated (2-8°C) 7 days tightly capped and centrifuged
Frozen (-20°C) 6 months

 

Performing Site

Boone Health Laboratory

Performance Information

Days/Times Performed Daily 24/7
Expected Turn around Time Same day
Methodology/Method Description Roche Cobas - Enzymatic acid/base reaction

 

CPT Code(s)

82374

Panel Components

N/A