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Total CO2 or bicarbonate is different than the partial pressure of CO2 (PCO2). Learn about PCO2
At a Glance
Why Get Tested?
When to Get Tested?
During a routine physical or as recommended by your healthcare practitioner if you are experiencing symptoms such as weakness, confusion, prolonged vomiting, or breathing problems that could indicate an electrolyte imbalance or an acid-base imbalance (commonly described as acidosis or alkalosis)
A blood sample drawn from a vein in your arm
Test Preparation Needed?