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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 Celiac.com's FREE weekly eNewsletter   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 What if my doctor won't listen to me? An Open Letter to Skeptical Health Care Practitioners Gluten-Free recipes: Gluten-Free Recipes

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I was reading a few posts on here about doctors misreading test results. I consider myself more versed than the average layperson in medical laboratory tests, being that that's my career goal. My test results seem negative to me but I want to check.

I've noticed that the numbers people have been giving, even negative test results, are very different than mine and I suspect it might be different units of measurement?

Anybody have test results that look like this?

Component Your Value Standard Range Units

GLIADIN IGA, DEAMIDATED 4 0 - 19 units

Negative 0 - 19

Weak Positive 20 - 30

Moderate to Strong Positive >30

GLIADIN IGG, DEAMIDATED 3 0 - 19 units

Negative 0 - 19

Weak Positive 20 - 30

Moderate to Strong Positive >30

TRANSGLUT IGA <2 0 - 3 U/mL

Negative 0 - 3

Weak Positive 4 - 10

Positive >10

Tissue Transglutaminase (tTG) has been identified

as the endomysial antigen. Studies have demonstr-

ated that endomysial IgA antibodies have over 99%

specificity for gluten sensitive enteropathy.

TRANSGLUT IGG <2 0 - 5 U/mL

Negative 0 - 5

Weak Positive 6 - 9

Positive >9

TOTAL IGA (LCA) 171 70 - 400 mg/dL

Thanks in advance.

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They all look normal to me.

But keep in mind you still might have a gluten problem without being Celiac. I'm not sure if you've had the gene test, but if not you should ask to have that done. My GP said it gives a good indication of whether someone will develop celiac disease or have a sensitivity to it.

Good luck

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This report confuses me as I don't see exactly what your results are.

Is this right:

GLIADIN IGA, DEAMIDATED 4 0

GLIADIN IGG, DEAMIDATED 3 0

TRANSGLUT IGA <2 0

TOTAL IGA (LCA) 171 70 - 400 mg/dL

These tests only give information about autoimmune gluten sensitivity. The other types of gluten sensitivity are wheat and related grain allergy and non-celiac sprue. I found the genetic marker test to be helpful.

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I was reading a few posts on here about doctors misreading test results. I consider myself more versed than the average layperson in medical laboratory tests, being that that's my career goal. My test results seem negative to me but I want to check.

I agree. It looks negative to me too.

As you're probably learning, medical laboratory tests can have different reference ranges on ELISA and other tests that are in arbitrary units. Even when labs are in measured in SI units like pg/mL you can still get different reference ranges from one lab to another.

Mari, the result is right next to the test name, immediately followed by the reference range.

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Thanks guys- I was pretty sure it was negative since it gave reference ranges, but I wanted to make sure. A positive test sure would have given me more motivation to go gluten free, but I'm on week two and have only had one bad incident- a so-called gluten free pizza that made both me and my gluten-sensitive boss pretty ill. I had just had an amazing gluten-free pizza from a pizza place in a different city so I guess I was feeling lucky. Ay yi yi.

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