There are no tests recommended for non-celiac gluten sensitivity, according to the National Foundation for Celiac Awareness, but there is a gluten sensitivity self-check, Gluten Free Society notes. Patients who react badly to gluten should see a doctor for a blood test to diagnose celiac disease, says WebMD.
While some doctors offer saliva, blood or stool tests for non-celiac gluten sensitivity, they are not recommended since the tests have not been validated, according to National Foundation for Celiac Awareness.
Patients who suspect they have celiac disease should tell their doctors and should not begin a gluten-free diet without being tested, according to WebMD. Celiac disease can damage the intestines, but gluten sensitivity does not.