Keyword: tTG-IgA

Which blood tests should I have to screen for celiac disease?

You should have both tTG-IgA and total serum IgA tests to screen for celiac disease. As long as you produce IgA (total serum IgA confirms you do), tTG-IgA is 98% accurate in measuring elevated antibodies. If you are IgA deficient, or if there is some other equivocating factor to potentially compromise the blood test, then… Read more »

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