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Help With Results


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#1 lizzie101

 
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Posted 27 March 2013 - 05:11 PM

My doctor ordered celiac tests for me because I have a whole slew of vitamin deficiencies. However, she isn't very helpful with interpreting them. Can someone help me out?

 

TRANSGLUTAMINASE IGA AB <3

IGA 91 (reference range 81-463)

 

Are there more tests that need to be ordered?


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#2 psawyer

 
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Posted 27 March 2013 - 06:10 PM

Those are only two tests, and only one is for celiac disease. The second one I am assuming is Total Serum IgA--that is an overall check on the immune system. If it is low, then other IgA tests may be falsely negative.

For the first one, the information is incomplete. To offer an opinion, one needs the actual result as well as the reference ranges (which vary from lab to lab).

There are other, more specific tests than ttg IgA.
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Peter
Diagnosis by biopsy of practically non-existent villi; gluten-free since July 2000.
Type 1 (autoimmune) diabetes diagnosed in March 1986
Markham, Ontario (borders on Toronto)

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#3 lizzie101

 
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Posted 27 March 2013 - 06:55 PM

There was no reference range listed for the first test. It only said my result <3. What other tests need to be ordered?
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#4 psawyer

 
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Posted 27 March 2013 - 07:45 PM

The deamidated gliadin peptides (DGP) test is currently thought to be the most specific for celiac disease.

More about it, and other tests, can be found here.
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Peter
Diagnosis by biopsy of practically non-existent villi; gluten-free since July 2000.
Type 1 (autoimmune) diabetes diagnosed in March 1986
Markham, Ontario (borders on Toronto)

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