CO2: Common Questions

CO2

Also known as: Total CO2, TCO2, Bicarbonate
Formal name: Carbon Dioxide Content
Related tests: Electrolyte panel, sodium, potassium, chloride

Total CO2 or bicarbonate is different than the partial pressure of CO2 (PCO2). To learn about PCO2, click here.

	Common Questions
	1. If my doctor has done a CO2 test, why does he want to test my blood gases? 1. If my doctor has done a CO2 test, why does he want to test my blood gases? Blood gas tests, in which blood is drawn from an artery instead of a vein, can give your doctor a better look at your pH (acid/base level). They can tell your doctor whether your lungs are working properly to keep PO2 and PCO2 at healthy levels. [Back to top ] << Prev \| Next >>

This article was last reviewed on April 22, 2005.