TCO2: tCO2 on the blood test (usually electrolyte panel) represents bicarbonate (sodium bicarbonate) and volatile CO2 and is different from arterial CO2 = partial pressure of CO2 in the blood, which is done usually in the hospital setting. most adult values are in that range (24-32). When it is high it suggest that you may have chronic respiratory acidosis, but 27 is fine
Answered 5/21/2015
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