Blood Tests for Celiac Disease

tTG-IgA or tissue transglutaminase-IgA
AGA-IgG or Antigliadin IgG
AGA-IgA or Antigliadin IGA
Total IGA

Amplify’d from medschool.umaryland.edu
What are the recommended blood tests to diagnose CD?

There is a particular series of blood tests called the ‘Celiac Panel”. These tests measure your immune system’s response to gluten in the food you eat.

tTG-IgA or tissue transglutaminase-IgA
AGA-IgG or Antigliadin IgG
AGA-IgA or Antigliadin IGA
Total IGA

The presence of tTG antibodies is highly suggestive of CD, while AGA can be elevated also in cases of wheat allergy.

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How accurate are the celiac blood tests?

The current diagnostic tests for CD are very accurate, particularly when tTG and anti-endomysial antibodies are elevated. The isolated presence of anti-gliadin antibodies does not necessarily imply that the subject is affected by CD, with the exception of children under the age of 2 in which tTG and EMA may not be present.

Read more at medschool.umaryland.edu

 

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