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Carbon Dioxide, Total (CO2)

Mnemonic:    [CO2]
Name:    Carbon Dioxide, Total (CO2)
Specimen:    1 mL serum from a Red SST or Red top tube, or plasma from a Green PST. Tube should remain closed to prevent CO2 exchange.
Spec Stability:    Stable 3 days refrigerated.
Reference Range:    25 - 35 mmol/L
Critical Range:    < 10 or = 40 mmol/L
  Method:    Enzymatic