" /> Carbon dioxide post dose urea:PrThr:Pt:Exhl gas:Ord: - CISMeF





Preferred Label : Carbon dioxide post dose urea:PrThr:Pt:Exhl gas:Ord:;

LOINC status : ACTIVE;

LOINC display name : CO2 post dose urea Ql (Exhl gas);

LOINC long common name : Helicobacter pylori [Presence] in Stomach by urea breath test;

LOINC common name : Carbon dioxide post dose urea; Helicobacter pylori present by breath test;

LOINC short name : Urea Breath Test Ql;

LOINC description : The patient ingests C-14 or C-13 labeled urea , the clinic collects the patients exhaled breath and the lab measures the amount of the chosen isotope in the exhaled CO2. H pylori produces urease that digests urea to produce CO2. The most common isotope is C13 which is detected by infrared spectroscopy. Tagged CO2 in the breath is evidence of gastric Helicobacter pylori infection.;

LOINC Class : MICRO; CHEM;

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29/07/2025


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