Does Blood Test Indicate celiac

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tnjmagoo
New Member


Date Joined Aug 2015
Total Posts : 1
   Posted 8/16/2015 2:41 PM (GMT -7)   
IgA 40 - 350 mg/dL 391
Tissue transglutaminase IgA <=19 unit(s) 8
TISSUE TRANSGLUTAMINASE IGA INTERPRETATION Negative: <20
TISSUE TRANSGLUTAMINASE IgG <=19 unit(s) 3
TISSUE TRANSGLUTAMINASE IGG INTERPRETATION Negative: <20

cyclinglady
Regular Member


Date Joined Aug 2015
Total Posts : 151
   Posted 8/19/2015 10:00 PM (GMT -7)   
Based in these two celiac tests (TTG IGa and TTGS IGG) you do not have celiac disease. BUT you did not received the complete panel! The IGA test is a control test and validates the TTG IGA test which is typically the entry screening test for celiac disease. Most likely insurance does not want to cover the complete test.

My IGA test was high (out of range) too. My GI ordered the complete panel which includes the DGP IGA and DGP IGG. I tested positive on the DGP IGA but negative to all the rest including the TTg's that you took. Yet biopsies revealed moderate to severe damage (Marsh IIIB).

If you think you have celiac disease, ask for the missing tests. Keep eating gluten until all testing is complete! In fact, you have to be consuming gluten for a few months (per most CD researchers) in order to get accurrate results.

Good luck!

BoJonJovi
New Member


Date Joined Oct 2015
Total Posts : 9
   Posted 10/5/2015 7:01 PM (GMT -7)   
The gold standard is an endoscopy with biopsy.

cyclinglady
Regular Member


Date Joined Aug 2015
Total Posts : 151
   Posted 10/13/2015 12:59 PM (GMT -7)   
Yes, the gold standard is an endoscopy with biopsies. But many things can damage intestinal villi, so celiac antibody testing is also needed to diagnose celiac disease. It is usually the first step in the diagnostic process.
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