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Help With Lab Results

strum

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strum Rookie
strum
Posted

My doctor ordered four labs after my endoscopy came back as maybe Celiac's. They are

deamidated gliadin abs, IgA - 3

Deamidated gliadin abs, IgG - <1

Immunoglobulin A Qn, serum 170. - <2

to trans glut am I made (tTG) - <2

So, soundly negative. My question is, would ask of these be affected by having eaten a very small about of gluten for three months (was eating low carb, no bread, pasta, crackers etc).

Also, is there something else that effects results, like IgG deficiency? I want to be certain of what's wrong, but I dread doing a gluten challenge. Makes me so sick and I feel so much better when I don't eat it.

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GF Lover Rising Star
GF Lover
Posted

IGA deficient blood test can cause a false negative.

 

Eating gluten is key for testing. Here is a link that covers all you need to know.

 

Open Original Shared Link

 

Good Luck

 

Colleen

nvsmom Community Regular
nvsmom
Posted

Is your IgA (Immunoglobulin A) low?  Is the normal 170 and you are less than 2 (<2) ?  If so, low IgA will cause false negatives in any IgA based tests (tTG IgA or DGP IgA - which I think you had done).

 

What are the normal ranges of your celiac disease tests?  The ranges vary from 0-1 up to 0-20.

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