Anti Deamidated Gliadin Antibodies, IgA, Serum


Reference Range

Gliadin is part of the gluten protein found in wheat (similar proteins are found in rye, barley, and oats). Anti-Gliadin Antibody is an autoantibody against the gliadin portion. It is a marker for celiac disease - assayed in parallel to the anti-endomysium, anti-transglutaminase and anti-reticulin antibody tests. This test is useful for deciding whether or not a jejunal biopsy is warranted. The Gliadin antibodies of the IgA class have a sensitivity and specificity of 70-100% for predicting Celiac Disease. Other related tests: Gliadin IgG, Reticulin IgA & IgG, and Endomysial Antibodies

Special Requirements

Unacceptable Conditions Plasma or other body fluids. Contaminated, hemolyzed, grossly icteric, or grossly lipemic specimens.

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