Get email alerts Get Celiac.com E-mail Alerts  




Celiac.com Sponsor:
Celiac.com Sponsor:




Ads by Google:






   Get email alerts  Subscribe to FREE Celiac.com email alerts

Blood Test Result Statistics - Place A Vote, Make A Difference!
0

How common are false negatives?   21 members have voted

  1. 1. I have a gluten intolerance. My (first) blood test came back...

    • Positive
      6
    • Negative (falsely)
      15

Please sign in or register to vote in this poll.

16 posts in this topic

So many people are wondering how common false negative blood tests for celiac disease are - or to be precise - what the chances are of having celiac disease or non-celiac gluten sensitivity if your doctor tell you that you can go ahead and eat gluten.

If you know you are gluten sensitive - PLEASE VOTE, whether your blood tests straight forward told you you were POSITIVE for Celiac, or they falsely showed up NEGATIVE, and you had find out for yourself that gluten was the culprit. It could make a great difference for someone suffering like you probably have suffered - perhaps for several years!

Off course - this poll will still overlook all the unknowing celiacs out there, mislead by blood tests - who probably stand for the greatest percentage of false negatives.

To make it simple, I only added two alternatives. This is to clearly show the proportions between positives and false negatives.

Thank you for your vote!

0

Share this post


Link to post
Share on other sites


Ads by Google:

Yeah, negative for me. If I eat gluten I end up with a life threatening condition that has me in ER. So deffo problem with gluten.

Interestingly - I also have other autoimmune conditions which they can't figure out - and my bloods are always negative for those things as well...some kind of connection perhaps?

0

Share this post


Link to post
Share on other sites

our daughter had positive gene test but everything else was negative, the GI at the children's hospital said that meant she had absolutely no issue with gluten and her tummy problems and rashes were nerve damage, we went gluten free and all her issues disappeared

1

Share this post


Link to post
Share on other sites

My IgA tTG was positive. I didn't know about the other tests at the time. I had a positive biopsy, but my GI said I had a "choice" to either go gluten free and follow up in 6 months or continue eating gluten and repeat the blood work in three months. WTF? I went gluten free...DUH that was a no brainer given my test results.

1

Share this post


Link to post
Share on other sites

I tested negative to Celiac, but my endoscope showed severe villi flattening and a duodenal ulcer. I was DXed based on that.

Since going gluten-free I've found that I'm hyper sensitive to soy. I've read that soy can cause villi flattenng too, so it has me wondering if my problem is really soy, with a gluten intolerance due to damage in the intestine? A re-scope now that I'm at the 6 months gluten-free stage revealed moderate to severe villi flattening. My health has not improved gluten-free.

I didn't remove every trace of soy until Nov 19. I found it as tocopherol in vitamin supplements, in fish oil supplements, vitamin D supplements. I had only been looking at foods with soy ingredients.

I'm curious if anyone else that tested negative has a secondary intolerance to dairy, soy, or lectins in general? From my reading I find these other things can cause villi flattening and might be mimicking Celiac?

0

Share this post


Link to post
Share on other sites




I was never tested but I'm voting for my mom. She was tested and scoped, both negative. She is DQ2 and definitely gluten-sensitive.

0

Share this post


Link to post
Share on other sites

My blood test was negative, my only endoscopy was 16 months after I was gluten free .

I was diagnosed with celiac because: I had a positive DH biopsy, tested positive for Hashimotos and most of my symptoms responded to a gluten free diet .

0

Share this post


Link to post
Share on other sites

Geez- already this poll is looking pretty scary...and we are the ones who have figured it out - what about all those other people who continue eating Gluten because they are told they are negative...like my cousin - who has been so ill for years but had a negative biopsy and blood but is totally convinced that its not gluten even though his family history screams to at least check it out :o

0

Share this post


Link to post
Share on other sites

I tested negative on blood antibodies but the blood draw was 3 months after I went gluten-free. I did get a positive hit on one of the gens but I don't remember which one. I think it is the one that makes you grouchy in the morning though.

0

Share this post


Link to post
Share on other sites
I did get a positive hit on one of the gens but I don't remember which one. I think it is the one that makes you grouchy in the morning though.

I think I hit positive for that same one, :lol:

0

Share this post


Link to post
Share on other sites

I am a little confused by this poll, so maybe someone will educate the newbie! (Or maybe it's just my brain fog, I am out of it this am!). I thought that there are 2 conditions - celiac and gluten intolerance (well, wheat allergy too, but that's irrelevant here) that fall under an umbrella term of gluten sensitivity. I thought that it's possible to have false negatives for celiac (which is gluten damage specific to the intestines) but that gluten intolerance (non-celiac reactions to gluten) do not show up on tests. Is that incorrect? I tested negative for celiac (bloods only) so I believe that, unless my test was a false negative, I therefore fall into the gluten intolerant category. Do I have it wrong somewhere?

0

Share this post


Link to post
Share on other sites

I think the point of the poll is to show everyone how many people with negative blood tests (for whatever reason) still get sick from eating gluten.

0

Share this post


Link to post
Share on other sites

Oh okay so I am clueless in a different way :oD. But - are there tests that show plain gluten intolerance?

And i voted Negative. I tested negative and get So Sick on gluten.

0

Share this post


Link to post
Share on other sites

Most doctors leave it at that if the patient tests negative for celiac - not even considering that non-celiac gluten sensitivity might cause the same symptoms!

So yes, the point is to figure out how likely it is that gluten is the culprit, even if you test negative for celiac (no matter if you actually are celiac or the gluten your sensitivity to gluten has a different cause)

I am really surprised by these results... And glad I made the poll so more people won't immediately rule out gluten as the cause of their troubles.

With these results its hard to believe that the the blood tests are supposed to be over 90 % accurate!

0

Share this post


Link to post
Share on other sites

With these results its hard to believe that the the blood tests are supposed to be over 90 % accurate!

This is hardly a controlled study. :P

I'm not sure where got the idea celiac testing is 90% accurate. The studies I've read on the sensitivity of celiac tests give wildly variable numbers depending on both how well the assay is performing and how severe the celiac damage is. I've seen results as low as 70% specificity. You only get 90% under optimal conditions.

Aly1 - No, there is no test for non-celiac gluten intolerance other than response to the diet.

0

Share this post


Link to post
Share on other sites

This is hardly a controlled study. :P

I'm not sure where got the idea celiac testing is 90% accurate. The studies I've read on the sensitivity of celiac tests give wildly variable numbers depending on both how well the assay is performing and how severe the celiac damage is. I've seen results as low as 70% specificity. You only get 90% under optimal conditions.

Aly1 - No, there is no test for non-celiac gluten intolerance other than response to the diet.

Yes! I also came across some studies like that. With at least a handful of studies on this I really don't see why the official numbers are so high.

0

Share this post


Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!


Register a new account

Sign in

Already have an account? Sign in here.


Sign In Now
0

  • Forum Statistics

    • Total Topics
      104,352
    • Total Posts
      920,503
  • Topics

  • Posts

    • I already did. Thats how i found the place. Its amazing to actually go to a restraunt again.
    • This is EXACTLY what happens to me. It has twice now and both times was after both glutening episodes but once it was the day after and the other time it was a week and a half. So I'm still not sure if it's related or strange bug bites...

      Did they stop happening when she stopped being glutened? Did you decide they were definitely related? I'm really confused by this and would love to know whether to insecticide my house or....
    • Thankyou both! I was wondering if my high levels left much doubt on the diagnosis. I don't see the GI until the 15th Sep and I don't think I can stand to eat gluten in that time. If he tells me to I will do so after then. After 25 years of symptoms I don't think there is much chance of healing my bowel In a couple of weeks. I'm actually terrified of the damage they might find. But I think I will need the endo since there may be other things going on with me. So great they didn't put your son through the biopsy! Once I have a formal diagnosis I have my kids to worry about also. I can't even stand the thought of my daughter having a blood test. I think she would need to be sedated as she is so fearful and pain sensitive. My son is not yet 2 so I don't think they will test him. I'm feeling so off at the moment. I think I have some anxiety and reflux going on complicating things quite a bit.
    • My son's antibodies were 300. Based on his extremely high levels, his pediatric GI suggested genetic testing instead of the biopsy. Genetic testing can't diagnose celiac on its own but combined with such high levels, the gi dr was confident a positive genetic test would confidently diagnose celiac. He warned that biopsies are small snapshots of the intestine and can miss damage. He said this is an approach used very often in Europe but not as much in the US. What sold me on that approach was the ability to put my son directly on a gluten free diet instead of waiting three weeks for the biopsy, during which time he would continue to eat gluten and feel terrible. I'm not sure if this is more common with younger patients though (our son is two), based on the idea that he's had less time to inflict damage that would show in a biopsy? We are very happy that we immediately started the gluten free diet and chose the genetic testing. Our son got the proper diagnosis and his recent number shows a drop to 71 after only 4.5 months gluten free! Not sure if this helps. Good luck and I hope you feel better soon!
    • We have been off gluten for a while now, and symptoms return when I've allowed gluten full meals… so something still isn't sitting right with me.  Checking with her doc about seeing a pediactric GI although I'm not sure how long that will take since we live in small town America. I know she didn't get at least one of the recommended full panel tests but maybe two, can someone help clarify, or is she missing two? DGP for sure and possibly EMA? And if I understand what I'm reading in other posts that the DGP can be more accurate? Thanks Her blood panel results: Ttg ab iga <.5u/ml ttg igg <.8u/ml aga ab iga <.2 u/ml aga an igg <.7u/ml iga 61mg/dL  
  • Upcoming Events

  • Blog Entries

  • Recent Status Updates

  • Who's Online (See full list)

  • Member Statistics

    • Total Members
      61,417
    • Most Online
      1,763

    Newest Member
    Suzette Porter
    Joined