IgA antibodies against Yersinia enterocolitica and pseudotuberculosis
Specific IgA antibodies are produced by the body in response to contact with the bacteria Yersinia enterocolitica and Yersinia pseudotuberculosis, which cause intestinal diseases.

ClinicLab
- Test description
IgA Antibody Test for Yersinia enterocolitica and Yersinia pseudotuberculosis
The IgA antibody test detects antibodies associated with infection by Yersinia bacteria, which can cause intestinal infections. It aids in diagnosing infections and assessing the immune system’s response to these bacteria.
When to Perform the Test
The test is recommended in cases of suspected extraintestinal yersiniosis or recurring gastrointestinal infections. It is useful in diagnosing active infections.
Disease Conditions
Yersiniosis: inflammation of the intestines (enteritis), inflammation of the small intestine and colon, reactive arthritis.
Symptoms
- Diarrhea (sometimes with vomiting)
- Abdominal pain
- Nausea
- Fever
- Mesenteric lymphadenitis
- Skin lesions