AHP: Anti-Helicobacter pylori IgA is a blood test that detects IgA antibodies against Helicobacter pylori (H. pylori), a bacterium that can cause chronic gastritis and peptic ulcers. The test provides evidence of an immune response to H. pylori and may support evaluation of suspected infection. However, IgA antibodies alone cannot reliably distinguish an active infection from previous exposure and should be interpreted alongside clinical findings and other tests.
IgA stands for immunoglobulin A, an antibody involved in immune defense, particularly at mucosal surfaces such as the gastrointestinal and respiratory tracts.
A positive result indicates that IgA antibodies against H. pylori were detected. It suggests an immune response but does not by itself confirm an active infection.
Not necessarily. Antibodies may persist after exposure or infection, so a positive IgA result cannot reliably distinguish active infection from previous exposure.
A negative result means detectable IgA antibodies were not found according to the laboratory's reference range. However, it does not completely exclude infection.
Yes. H. pylori infection can damage the stomach's protective lining and contribute to inflammation and the development of gastric or duodenal ulcers.
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