Criteria for testing

All tests should be performed in patients who are consuming a gluten-containing diet to avoid misdiagnosis. If gluten exposure was short or gluten had been withdrawn for a longer period of time a negative result is not reliable.

ORGENTEC Autoimmunity Blog

Celiac disease diagnostics revised 

The diagnostic criteria for celiac disease (CD) have remained unchanged for more than 20 years, after the 1990 revision of the guidelines originally formulated in 1969.  During this period the disease has been intensively studied and scientific findings have unveiled the genetic background of celiac disease, linked to the human leukocyte antigen (HLA)-DQ2 and HLA-DQ8 haplotypes. The key autoantigen tissue transglutaminase (tTG) has been identified and reliable laboratory tests for disease specific autoantibodies now contribute to diagnostics and complement the methodological repertoire of clinical observations and histologic findings in duodenal biopsy samples. Finally, the European Society for Paediatric Gastroenterology, Hepatology, and Nutrition (ESPGHAN) has now published New Guidelines for the Diagnosis of Celiac Disease.

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