Helicobacter pylori
Also known as: H. pylori; H-pylori; H. pylori antibody test; H. pylori antigen test; H. pylori breath test; CLO test; Rapid urease test (RUT) for H. pylori
Formal name: Helicobacter pylori
At a Glance
Why Get Tested?
To diagnose an infection with Helicobacter pylori that causes peptic ulcers
When to Get Tested?
If you have gastrointestinal pain or blood in your stool or vomit
Sample Required?
A stool sample, blood sample from a vein, tissue biopsy of the stomach lining, or a breath test
Test Preparation Needed?
None for the blood test; there are instructions for the breath test, including avoiding certain medications.
