Which antibody tests are used to confirm the diagnosis of celiac disease?

Updated: Oct 10, 2018
  • Author: Stephan U Goebel, MD; Chief Editor: BS Anand, MD  more...
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Answer

The most sensitive and specific antibodies for the confirmation of celiac disease are tissue transglutaminase IgA (tIgA), endomysial IgA, and reticulin IgA and correlate with the degree of mucosal damage. As the incidence of selective IgA deficiency is higher among patients with celiac disease, total IgA serum concentrations should be determined. If the patient is IgA deficient, tissue transglutaminase IgG can be measured.


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