Helicobacter Pylori IgG
Understanding Helicobacter Pylori IgG
What is Helicobacter Pylori IgG?
Helicobacter Pylori is a bacteria that can cause gastritis and peptic ulcers. This test measures IgG antibody produced by the immune system in response to H. pylori infection. You should get this test done if you have signs and symptoms of an ulcer like recurrent abdominal pain, feeling of fullness, nausea, indigestion, unexplained weight loss. H. Pylori test may be ordered when you have completed a regimen of prescribed antibiotics to confirm that H pylori has been eliminated.
What is Helicobacter Pylori IgG used for?
- If you have symptoms or signs of infection with H. Pylori infection like epigastric pain, weight loss, nausea, vomiting, abdominal pain
- If you have completed a regimen of prescribed antibiotics to confirm that H pylori infection has been eliminated
Interpreting Helicobacter Pylori IgG results
Antibody testing detects bacterial antibodies, but does not distinguish a current infection from an old one.
- A negative result confirms no stomach infection
- A positive result means infection and should be confirmed by a stool antigen or breath test.
- Levels between 0-20 units means no significant level of IgG antibody were detected
- Levels between 20.1-24.9 units suggests repeating serological testing within 10-14 days
- Levels more than 25 units means you are positive for IgG antibody and suggests an active infection