This urea breath test indirectly detects the presence of H pylori-associated urease by measuring CO2 in the patient’s breath. A baseline breath sample is collected before the patient ingests 13C-urea, ie, urea labeled with a naturally occurring, non-radioactive carbon isotope.
What is a C14 Urea breath test and how does it work? Helicobacter pylori (the major cause of gastric and duodenal ulcers) is a fastidious bacterium which is known to be a potent producer of the enzyme urease.
Also known as: H pylori; H-pylori; H. pylori antibody test; H. pylori stool antigen test; H. pylori breath test; Urea breath test; CLO test; Rapid urease test (RUT) for H. pylori. Formal name: Helicobacter pylori.