This test is used to diagnose a genetic disease of gluten intolerance called Celiac disease. This is the disease caused in response to gluten. Complete diagnosis is mainly based on a biopsy of small intestine but surgical tests also helps in the diagnosis. 2-3% of TGA is measured in celiac disease patient because the amount of tTG, IgG and anti-Gliadin IgA falls in patient on a gluten-free diet. The main symptoms that lead to the recommendation of this test include fatigue, discolored and lloose stool, weight loss and anemia.
LabEspy recommends Lab Testing API, Save On Labs, Personalabs for this test.