What are the criteria for Helicobacter pylori detection?

Helicobacter pylori test generally refers to Helicobacter pylori test, including urea breath test, serological test, stool antigen test, etc., the judgment criteria are different, details are as follows:

1. Urea breath test

Urea breath test is through the subject's breath, detect the presence of urease produced by Helicobacter pylori in the breath, to determine whether Helicobacter pylori infection. General test results ≥100dpm, can confirm Helicobacter pylori infection.

2. Serological test

is to detect the presence of Helicobacter pylori specific antibody in the blood of the subject, to determine whether the pathogen has been infected. General antibody titer ≥1:16 is positive.

3. Stool antigen test

Stool antigen test is to detect the presence of Helicobacter pylori antigen in stool, to determine whether infection. General stool antigen test positive judgment value is ≥5ng/mL.