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You are here : Healthopedia.com > Medical Encyclopedia > Tests and Exams > CO2: Results and Values

CO2

Alternate Names : Bicarbonate, Carbon Dioxide, Total Carbon Dioxide, HCO3-, "Bicarb", T CO2, CO2 Content

CO2 | Preparation & Expectations | Results and Values | Attribution


What do the test results mean?

The normal value for CO2 in the blood is 23 to 29 mEq/L. Most of the carbon dioxide in the blood is in the form of bicarbonate. Either term can be used. The lungs and kidneys control the amount of bicarbonate in the blood. This keeps the blood from becoming too acidic. In order for a person to live, he or she must have neither too much acid nor too much base in the blood.

Carbon dioxide or bicarbonate can be too high or too low in the following conditions:

  • Kidney problems
  • Breathing or lung problems
  • Poisonings or drug overdoses
  • Severe diarrhea
  • Uncontrolled diabetes
  • Severe dehydration

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    CO2: Preparation & Expectations

     

    CO2: Attribution

    Author: David T. Moran, MD
    Reviewer: Melinda Murray Ratini, DO
    Date Reviewed: 06/04/02









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    Page Last Updated: 30th May, 2006