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How to confirm person has celiac disease or gluten allergy? Is ttg-iga is sufficient to diagnose it?
2Doctors Answered
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Two blood tests can help diagnose it: serology testing looks for antibodies in your blood. Elevated levels of certain antibody proteins indicate an immune reaction to gluten. Genetic testing for human leukocyte antigens (hla-dq2 and hla-dq8) can be used to rule out celiac disease.
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