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Also known as: Total CO2; TCO2; Carbon Dioxide Content; CO2 Content; Bicarb; HCO3-
Formal name: Bicarbonate

Total CO2 or bicarbonate is different than the partial pressure of CO2 (PCO2). Learn about PCO2

At a Glance

Why Get Tested?

As part of an electrolyte panel to identify or monitor an electrolyte imbalance or acid-base (pH) 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 imbalance or acidosis or alkalosis

Sample Required?

A blood sample drawn from a vein in the arm

Test Preparation Needed?