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Carbon Dioxide

Test Code



Testing performed on Beckman Coulter DxC 700 AU analyzing serum.

Test Utility

Used in the diagnosis and treatment of numerous potentially serious disorders associated with changes in body acid-base balance.

Specimen Storage and Stability

Allow SST specimens (Gold Top or Tiger, minimum 2.0mL) to clot 30 to 60 minutes, then immediately centrifuge to separate serum from cells. Refrigerate at 2-8C or 36-46F.

Specimen Collection and Preparation

Once separated from cells, Carbon Dioxide in serum and plasma is stable for 24 hours when stored at 20-25C and protected from exposure to air.

Specimen Rejection

  • Improperly labeled

  • Specimen grossly

  • Hemolyzed uncentrifuged

Reference Ranges

21 - 31mEq/L


Monday - Saturday, 16 hours a day.

Result available after getting the specimen in 5 hours.

STAT results available within 2 hours of receipt in the Laboratory.

*NOTE: All Specimen Refrigerated (2-8°C) for 7 days only.


Vibra Health Laboratory

Phone: (248) 846-0663

1307 Allen Dr, Suite A, Troy, MI 48083

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