MEDICAL – What blood tests help diagnose celiac disease?
Both the Gastroenterological Association and the North American Pediatric Society state that tissue transglutaminase (tTg) and endomysial (EMA) antibodies are the most useful serologic tests.
Antigliadin antibody tests are considered inferior in terms of diagnostic accuracy. In addition, the most reliable testing option is also the most cost-effective!
You can read the entire article online in The Journal of Family Practice by going here: http://www.jfponline.com/Pages.asp?AID=4626&UID=This website has the entire article, in depth, and fairly easy to understand terms. If you have every wondered about the blood tests, it is a good one to read.
A notable limitation of using serologic markers to diagnose CD is patients with mild disease and patients with diabetes are more likely to have false-negative serologic tests.