Preferred Label : Exhaled Carbon Monoxide Concentration Less than 6 ppm;
NCIt synonyms : Exhaled Carbon Monoxide Less than 6 ppm; Exhaled Carbon Monoxide Level Less than 6 ppm; Exhaled CO Less than 6 ppm;
NCIt definition : An indication that the concentration of carbon monoxide (CO) in a sample of exhaled
air is less than 6 ppm.;
Origin ID : C207629;
concept_is_in_subset