Celiac Antibodies Profile tTG IgA, tTG IgG, DGP IgA, DGP IgG, and Total IgA Labcorp test 164010

This test measures specific antibodies in your blood that the immune system produces in response to gluten and tissue transglutaminase. It helps show if eating wheat, barley, or rye is triggering an immune reaction that damages the lining of your small intestine.