This test is used to see if patient has coeliac disease. Coeliac disease is an autoimmune disorder. This means your body attacks itself. This test is also used to see how well people with the condition are doing. It is one of several blood tests that may be used to help diagnose coeliac disease.
Tissue transglutaminase is an enzyme that fixes damage in body. People with coeliac disease often make antibodies that attack this enzyme. These are called anti-tissue transglutaminase antibodies. A blood test that shows higher levels of anti-tissue transglutaminase antibodies can help your healthcare provider figure out if you have coeliac disease.