You must be on a gluten-containing diet for antibody (blood) testing to be accurate. ... and adults, the best way to screen for celiac disease is with the Tissue Transglutaminase IgA antibody, plus an IgA antibody in order to ensure that the patient generates enough of this antibody to render the celiac disease test accurate. read more
Celiac disease is more common in people with type 1 diabetes, autoimmune liver disease, thyroid disease, Down syndrome, Turner syndrome, or Williams syndrome. So if you have any of these conditions, you should also ask your doctor to test you for celiac. read more
There are other antibody tests available to double-check for potential false positives or false negatives, but because of potential for false antibody test results, a biopsy of the small intestine is the only way to diagnose celiac disease. read more
CD is an autoimmune disorder in which the small intestine is sensitive to gluten, which is found in foods made with wheat, barley, and rye. read more