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JDownham

1.5 year old blood test confusion

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Hi there,

I recently received the results for my 19 month old son and I’m slightly confused as to what to think. 
he was tested for DGA IgG and IgA. The DGA test was completed as he is under 2. 
the IgG test came back positive (43.5 - high) but the IgA came back negative. His dietician has indicated that she isn’t convinced he has celiac based on these results and further testing may be ordered by his dr. I have yet to hear back from his paediatrician. 
Has anyone experienced similar results from this type of testing and had a diagnosis of being celiac or not?

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Hello!  

Did they run the Immunoglobulin A (IgA) test?  If he is IgA deficient (which is common in celiacs), he many not produce enough IgA to make the DGP IgA test work.  

 

Edited by cyclinglady

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Apologies - I clearly didn’t understand what I was reading when looking at his test results and have since been able to educate myself a bit more. 
He tested positive for DGP (high) and negative for ttg IgA. He also is not iga deficient. 
I have yet to hear from his paediatrician...I have read conflicting studies on whether this indicates he is celiac and it’s possible he is too young at this point. 
Anyone have any experience in testing an infant/toddler?

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Okay.   No toddler input, but I can tell you that I tested positive to only the DGP IgA.  My TTG IgA, TTG IgG, DGP IgG, and EMA IgA were all negative.  I am not IgA deficient.  My biopsies revealed a Marsh Stage IIIB (moderate to severe damage).  I repeatedly test this way.  My doctors do not know why.  Some research indicates that only very young children test this way and old people.  Funny, I do not think that I am that old, but maybe I am!  

It only takes one positive to be evaluated by a GI. I would push for the consult.  

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