Kathie, You should know that some "brilliant" minds out there decided that the Reticulin antibody didn't need to be done anymore. Reasons? Cost, wanting a magic bullet test and lots of other stupid reasons.

So they probably ran the Endomysial and Tissue Transglutaminase only on you. Do you know if they checked your IgA level? If that is low, antibody tests will register a false negative.

If you have Reticulin antibodies, the biopsy might be negative. There are more variables to diagnosing CD than what is readily obvious. Have you ever tried going without gluten?

If food is undigested on the other end, that means a lack of stomach acid. What stopped after taking Mestinon? The undigested food or the rapid transit?

Did you know that you need acetylcholine to make stomach acid? That and histamine and gastrin. So that would make sense that taking Mestinon would stop the issue with undigested food.

I hope your appointment goes well. Don't leave unless they agree to test your B12!

Annie