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      Frequently Asked Questions About Celiac Disease   09/30/2015

      This Celiac.com FAQ on celiac disease will guide you to all of the basic information you will need to know about the disease, its diagnosis, testing methods, a gluten-free diet, etc.   Subscribe to FREE Celiac.com email alerts What are the major symptoms of celiac disease? Celiac Disease Symptoms What testing is available for celiac disease? - list blood tests, endo with biopsy, genetic test and enterolab (not diagnostic) Celiac Disease Screening Interpretation of Celiac Disease Blood Test Results Can I be tested even though I am eating gluten free? How long must gluten be taken for the serological tests to be meaningful? The Gluten-Free Diet 101 - A Beginner's Guide to Going Gluten-Free Is celiac inherited? Should my children be tested? Ten Facts About Celiac Disease Genetic Testing Is there a link between celiac and other autoimmune diseases? Celiac Disease Research: Associated Diseases and Disorders Is there a list of gluten foods to avoid? Unsafe Gluten-Free Food List (Unsafe Ingredients) Is there a list of gluten free foods? Safe Gluten-Free Food List (Safe Ingredients) Gluten-Free Alcoholic Beverages Distilled Spirits (Grain Alcohols) and Vinegar: Are they Gluten-Free? Where does gluten hide? Additional Things to Beware of to Maintain a 100% Gluten-Free Diet Free recipes: Gluten-Free Recipes Where can I buy gluten-free stuff? Support this site by shopping at The Celiac.com Store.

Questioning Diagnosis
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11 posts in this topic

I just had the blood test done for Celiac's and the doctor said "one of the five tests came back very positive". She wants me to go on the diet to see if my symptoms go away. My question is...if only one part came back positive, doesn't that mean four parts came back negative. Should I ask for further testing BEFORE I change my diet? I was diagnosed with an very slight allergy to wheat as a child...but not even enough to treat. Could that have affected the test? I am new at this, so how would you suggest I proceed? Any guidance would be appreciated.

Sandy

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Which test came back positive?

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I got the results from the nurse over the phone. I had to ask which one came back positive. She sounded hesitant, started to say "anti-gl....", then said "ABS". I didn't know there was an ABS!!

Sandy

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The Anti-Gliadin Antibodies are IGA and IGG. That is what they were referring to. Did they say if both or one was positive? With both of those positive there is 95-98% chance you have celiac are stats I have heard of people with both positive. Which other tests did they test for?

If they both tested positive I would go on a gluten-free diet.

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She didn't tell me if it was one or both. I made an appointment to go in and talk to the doctor instead of the nurse this Thur. I will ask then. Thanks! That is exactly the kind of thing I need to know in order to even know what to ask the doctor. Do you know what the percentage is if only one test was positive? The nurse did say "one of the five tests came back positive".

Sandy

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It depends what all they tested for. There are certain tests that are more specific for celiac then others. The IgA is more specific then the IgG.

These are stats that I got from a site about it:

For, celiac disease, anti-gliadin IgG are more sensitive (about 100%) than IgA (about 50%), but IgA antibodies are more specific (about 95%) than IgG (about 60%).

If you decide to do further testing make sure you get it done by a reliable lab who is experienced and skilled in testing for celiac. I got my 2nd blood test(the one that diagnosed me) from Prometheus which is an experienced lab with celiac. They test for some things that regular tests don't test for and they are experienced with celiac reading.

Also this is at the bottom of a blood test I have and it says that Celiac patients have an increased IgA deficiency. Therefore, negative IgA antibody assay results do not necessarily rule out celiac disease.

If you need more info just let me know :D

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What kind of symptoms do you have? Is it worth it to you to try the diet and see?

Did they mention doing a biopsy?

richard

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Blood tests can come back negitive even if you have Celiac Disease.

If you feel that you need more proof before trying the diet there are other tests you can take. My brother hdid blood and biopsy even though there is afamily line of Celiacs. It's up tpo you. You could just try the diet and see how you feel.

If you think you might just have a wheat allergy then look further into that.

Good luck!

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I have irritable bowel symptoms and am VERY skinny. I have some neurological problems (tics, tremors) but those don't seem to relate to celiac disease, do they? I am on Topamax for the tremors which kind of explains my weight (Topamax is also used as a weight loss drug)... so I feel like it may just be IBS.

No one has mentioned a biopsy yet. But I have only talked to nurses. I get to see an actual doctor on Thursday. With the way insurance is I don't know if I can talk them into any further tests. That would cost them MONEY!

Thank you for all your input. I am learning so much. I feel like I know more of what to ask about on Thursday. I hope my doctor is informed about celiac disease.

Sandy

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Neurological problems can be associated with celiac. Celiac has many symptoms and some people don't have symptoms, and people who do have symptoms vary from person to person.Celiac is commonly misdiagnosed. IBS can be one of the misdiagnosis issues. A blood test can turn out negative and you could still have it. A biopsy was mentioned by a few people and you might want to consider talking to your doctor about that as well. You could always try the diet and see if you improve or not, you could look into other possibilites, or get a biopsy done. Talk to the doctor about your options and about your blood tests you had done.

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Sorry...I meant to say that none of the nurses mentioned anything about a biopsy. I will talk to the doctor about the biopsy, the blood test results, and a possible link to the neurological problems. Thanks again for all your explanation.

Sandy

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