You can take my free online gluten sensitivity quiz right here –
https://www.glutenfreesociety.org/gluten-sensitivity-intolerance-self-test/

What is the best test for Non Celiac Gluten Sensitivity? Should you be on a gluten free diet?

Don’t Trust These 3 Tests for Gluten Sensitivity
Serum tests, saliva tests, and intestinal biopsy tests can often teams create a false negative response. In essence, using these three tests to try to identify non celiac gluten sensitivity can be misleading.
To the contrary, Genetic testing helps to identify the genetic predisposition to gluten, and is now be recommended by Gluten Free Society and the Mayo clinic (for IBS).