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Celiac disease blood tests measure the amount of particular antibodies in the blood. The most common tests include: Tissue transglutaminase antibody (tTG), IgA class â the primary test ordered to screen for celiac disease.
To develop a better testing method, researchers recruited 27 subjects with CD and 17 without. They underwent three days of a gluten-rich diet, and then took a whole blood test. Within 24 hours, researchers could tell with near 100 percent accuracy which patients had the disease. âThere is a real need for a practical test which can accurately detect Celiac disease in this situation,â Tye-Din said.