how long does it take for stool sample results to come back H.Pylori
Results. Helicobacter pylori tests are used to detect a Helicobacter pylori (H. pylori) infection in the stomach and upper part of the small intestine (duodenum). Results from the urea breath test or a stool antigen test are usually available within a few hours. A urea breath test checks to see if you have H. pylori bacteria in your stomach. 2  This test can show if you have an H. pylori infection. 3  It can also be used to see if treatment has worked to get rid of H. pylori. 4  Stool antigen test.