A healthy result should fall into the range 0 - 157 U/L.
Antigliadin antibodies (AGAs) are antibodies of the IgA and IgG classes found in the serum of celiac disease patients. These antibodies mainly target gliadin-derived peptides, which are the main proteins of gluten. AGAs are not specific for celiac disease as they are also found in patients with other gastrointestinal diseases such as gastritis, gastroenteritis, and IBD.
Their measurement has been used particularly as a screening test. The sensitivity and specificity of these tests approach 90%. False positive results limit their use as a definitive diagnostic test.
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