Twenty-one asymptomatic subjects (32%) were determined to be H. pylori positive by the 13 C-UBT.

J Gastroenterol Hepatol. 2005;20(2):270-274. In conclusion, the 13 C-UBT is a reliable and reproducible determinant of H. pylori infection and of the severity of associated gastritis, and it has ...

There are four ways to test for H. pylori: a urea breath test, a stool antigen test, an upper endoscopy, and a blood test.