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There are gluten allergy/celiac disease tests that are available. All these tests help identify various forms of allergy or sensitivity to gluten or wheat. They will look for:
- IgA anti-gliadin antibodies
- IgG anti-gliadin antibodies
- IgA anti-endomysial antibodies
- Tissue transglutaminase antibody (IgA and IgG in questionable cases)
- Total IgA antibodies
- HLA DQ2 and DQ8 genotyping for celiac disease (used occasionally to detect genetic susceptibility).
- Intestinal biopsy (rarely needed if gluten antibodies are positive -- based on my interpretation of the recent study)
Currently, there is no test to determine true "gluten sensitivity." We have tests for Celiac and tests for wheat allergy, but no current test for gluten sensitivity/intolerance. The only way to determine gluten sensitivity is to exclude it from the diet for a few months to see if symptoms improve.
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.