CO2 content

CO
2 content (also known as "Total CO
2") is a blood test that usually appears on a "Chem 19" or an electrolyte panel. The value measures the total dissolved Carbon dioxide (CO
2) in blood. It is determined by combining the Bicarbonate (HCO−
3) and the partial pressure of CO
2 multiplied by a factor which estimates the amount of pure CO
2 that is dissolved in its natural form (usually 0.03).

One given reference range is 24–32 mEq/L.^[1]

References

↑ "Carbon Dioxide (CO
2 Content), Plasma". Retrieved 2009-03-26.

Reference ranges for blood tests (CPT 82000–84999)

Electrolytes	Sodium Potassium Chloride Calcium Renal function Creatinine Urea BUN-to-creatinine ratio Plasma osmolality Serum osmolal gap

Acid-base	Anion gap Arterial blood gas Base excess Bicarbonate CO₂ content

Iron tests	Ferritin Serum iron Transferrin saturation Total iron-binding capacity Transferrin Transferrin receptor

Hormones	ACTH stimulation test Thyroid function tests Thyroid-stimulating hormone

Metabolism	Blood lipids

Cardiovascular	Cardiac marker Troponin test CPK-MB test Lactate dehydrogenase Myoglobin Glycogen phosphorylase isoenzyme BB

Liver function tests	Proteins Human serum albumin Serum total protein ALP transaminases ALT AST AST/ALT ratio Bilirubin Unconjugated Conjugated

Pancreas	Amylase Lipase Pancreatic lipase

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