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Calling All Experts - Need Help On Test Results


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Looking for answers Contributor

Hi, I've been on these boards for years, but have always just assumed that I was severly gluten sensitive and didn't have Celiac. The reason being is that I had a biopsy done years ago (after ging gluten-free for months) and it came back negative.

Well, I was talking to my doctor the other day and he pushed to retest me. I told him it wasn't necessary that I didn't have the genes (enterolab) and that I was strickly following a gluten-free diet so the results would come back negative anyways. Well, he won that argument and I was SHOCKED when I got the following email:

"The results do suggest Celiac. The TTG IGA would be elevated if you eating foods that stimulate the immune system, but would be negative with a gluten free diet. The tTG IgG indicates that your body has been stimulated in the past. So, since you are on a gluten free diet, we expect the IgA to be negative."

Here are the actual results:

TTG Antibody, IGA <3 (Reference range negative <5)

Endomysial Antibody (IGA) - haven't received results yet

Endomysial Antibody (Titer) - haven't received results yet

Immuoglobulin A TTG Antibody, IGG 381 (positive >10)

Any help here would be greatly appreciated. Can IGG be elevated for other reasons?

Thanks!


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ravenwoodglass Mentor

If you are still having symptoms I would wonder if gluten is sneaking in somewhere.

The TTG is pretty sensitive according to the NIH here is as link

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Looking for answers Contributor

Thank you, I was hoping you'd answer...your always knowledgable. I did mis-post something so I'm going to repost now that I understand the results better.

Thanks!

ravenwoodglass Mentor

Thank you, I was hoping you'd answer...your always knowledgable. I did mis-post something so I'm going to repost now that I understand the results better.

Thanks!

Here is another link. It seems that test is useful especially for folks with low total IGA. I really don't know if it could be associated with anything else as I can only find links for that test to do with celiac but one article did say it can take a long time for the numbers to go down.

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    • trents
      Yes, it does. And joint pain is another celiac symptom that is now well-recognized. 
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      Does my iron loss sound like celiac to you?
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      Being as how you are largely asymptomatic, I would certainly advise undertaking a gluten challenge in order to get formal testing for celiac disease. We have many forum participants who become violently ill when they undertake a gluten challenge and they therefore can't carry through with it. That doesn't seem to be the case with you. The reason I think it is important for you to get tested is that many or most people who don't have a formal diagnosis find it difficult to be consistent with the gluten-free diet. They find ways to rationalize that their symptoms are due to something other than celiac disease . . . especially when it becomes socially limiting.  The other factor here is by being inconsistent with the gluten free diet, assuming you do have celiac disease, you are likely causing slow, incremental damage to your gut, even though you are largely asymptomatic. It can take years for that damage to get to the point where it results in spinoff health problems. Concerning genetic testing, it can't be used for diagnosis, at least not definitively. Somewhere between 30 and 40% of the general population will have one or both of the two genes known to be associated with the development of active celiac disease. Yet, only about 1% of the general population will develop active celiac disease. But the genetic testing can be used as a rule out for celiac disease if you don't have either gene. But even so, that doesn't eliminate the possibility of having NCGS (Non Celiac Gluten Sensitivity).
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