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Just got my Celiac panel results back


DJFL77I

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DJFL77I Experienced

After 5 months off Gluten....   

When I was diagnosed my t-Transglutaminase (tTG) IgA was over 100... not sure exact number because LabCorp only records up to 100... but definitely over 100...

not sure why there's different results for the same thing...

 

results.webp


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Scott Adams Grand Master

This article explains the typical blood tests done, but the IgA and IgG look at different antibody levels.

 

GFinDC Veteran
(edited)

Different labs may use different equipment and processes.  They typically publish their own lab specific test result ranges.  Any lab may also upgrade equipment or revise procedures and expected tests ranges when they feel it necessary to do so.

Since you are on the gluten-free diet for a while, your test results for antibody levels should change.  Hopefully they will be lower if you are doing a good job avoiding gluten in your diet.

Edited by GFinDC

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      @Scott Adams @knitty kitty @cristiana @trents Thank you everyone, I should add, I forgot to mention, I did have an upper endoscopy around the time and that came back all clear/perfectly fine , so with both of those I always ruled out celiac disease , especially considering sometimes I'm absolutely fine with gluten
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    • knitty kitty
      I agree with @cristianacristiana, @Scott Adams, and @trents.  You probably weren't eating sufficient gluten for the test to be accurate.   Ten grams of gluten for at least two weeks before testing is needed for accurate blood tests.   Three gram of gluten is enough to make you feel unwell.  Ten grams of gluten is required for the antibodies to leave the intestine where they are made and get into the blood stream where they can be properly measured.   A genetic test can determine if you have any of the known genes for Celiac disease.  
    • trents
      Sammy, I have doubts as to whether you were eating enough gluten to render any of the celiac testing you had done valid. Recently revised guidelines for pretest celiac blood antibody analysis is the daily consumption of at least 10 g of gluten (about the amount found in 4-6 slices of wheat bread) for at least 2 weeks before the blood draw. 
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