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Questions About Labs


JustMe75

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JustMe75 Enthusiast

I was looking at my daughters tests which I have had for a few months and saw something that made me curious. Her Immunoglobulin A was under "range". What does that mean? Is that considered IG deficient or just low? Could it give a false negative on the celiac tests?

Immunoglobulin A 56 range 57-300

Immunoglobulin G 1195 range 842-2013

Immunoglobulin M 113 range 23-281

also tested:

IGA Antibody <3 <11 = negative

IGG Antibody 3 <11 = negative


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loraleena Contributor

There are false negatives. You may also want to consider that your child is not celiac but rather gluten intolerant. You can have her get a stool test through enterolabs. Or, you could just put her on a gluten free diet and see if there is a change in her health.

happygirl Collaborator

You might have to ask your doctor about that. I'm not sure what qualifies as "deficient." However, it will only affect the "IgA" based tests.

Also, did your doctor run the tTG and EMA tests? They are the most sensitive/specific for Celiac, not the antigliadin antibody tests.

JustMe75 Enthusiast

He did the EMA and it was negative.

She is trying the diet (1 month so far) and doing better. It doesn't matter if she is celiac or just sensitive if it works. I am just very intrigued by the disease and all that is still not understood about it.

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      Thanks for the reply. 
    • Scott Adams
      What you’re describing is actually very common, and unfortunately the timing of the biopsy likely explains the confusion. Yes, it is absolutely possible for the small intestine to heal enough in three months on a strict gluten-free diet to produce a normal or near-normal biopsy, especially when damage was mild to begin with. In contrast, celiac antibodies can stay elevated for many months or even years after gluten removal, so persistently high antibody levels alongside the celiac genes and clear nutrient deficiencies strongly point to celiac disease, even if you don’t feel symptoms. Many people with celiac are asymptomatic but still develop iron and vitamin deficiencies and silent intestinal damage. The lack of immediate symptoms makes it harder emotionally, but it doesn’t mean gluten isn’t harming you. Most specialists would consider this a case of celiac disease with a false-negative biopsy due to early healing rather than “something else,” and staying consistently gluten-free is what protects you long-term—even when your body doesn’t protest right away.
    • Scott Adams
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