CO2 is a gas that is naturally present in the human body, the variation of its levels can indicate the presence of infections or it can be caused by the use of medicines. Lower than normal results can indicate a series of pathologies such as: Adisson’s disease, kidney disease, ketoacidosis etc. Instead higher results of the nromale may idicare, respiratory tract infection, hyperaldosteronism, breathing disorders. Typically, a blood test for the amount of CO2 in the body is part of a series of tests involving the electrolyte panel. The detection of CO2 can give doctors the opportunity to intervene on some kidney or breathing problems (but not only). You are interested in learning more information about this test we can suggest this article from Medical News Today.