CO2: At a Glance

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.

	At A Glance
	Why get tested? As part of an electrolyte panel to screen for an electrolyte or acid-base imbalance or to monitor a known imbalance When to get tested? During a routine physical or as recommended by your doctor if you are experiencing symptoms such as weakness, confusion, prolonged vomiting, or respiratory distress that could indicate an electrolyte or acid-base imbalance Sample required? A blood sample drawn from a vein in the arm Next >>

This article was last reviewed on April 22, 2005.