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My Doctor Ordered IgE ATTG

teya
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teya Newbie
teya
Posted

Hi guys. I have symptoms of celiac disease and it also runs in my family. I used a virtual doctor service to talk about about symptoms and see if I should get tested. I used a virtual service because it is very challenging to get a family doctor where I live right now. Anyways he gave me requisition for blood work. He ordered a blood test for IgA with an additional “igE ATTG” and “RAST for cats”. (My worst symptoms is a rash that I have had for the last 6.5 months so he also wanted to see if I’m allergic to cats). I have already had the blood drawn and the nurse said the doctor wrote the tests in weirdly, so after I did some research. It doesn't appear that an IgE ATTG test even exists???? Every time I google it the results say that only IgA or IgG ATTG tests exist??

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trents Grand Master
trents
Posted

Which IGA test did he order? There is more than one. The tTG-IGA is the most popular among physicians but it is a good idea to also order a test for total IGA. If total IGA is low it can skew individual IGA celiac antibody tests down toward the negative range. IGE tests are for allergies. Celiac disease is not an allergy, it is an autoimmune disorder triggered by the consumption of gluten. Here is an overview of celiac disease antibody blood testing: https://www.celiac.com/celiac-disease/celiac-disease-blood-antibody-tests-r32/

teya Newbie
teya
Posted
  • Author

Hi! Thank you so much for the response. Well he said he was testing me for celiac disease but he wrote on the requisition “IgE ATTG”. He also filled out a lot of the requisition wrong lol (didn’t put an address, his ID#, ect). So I’m just confused. Maybe it was a mistake and he meant to put IgG or IgA on it, or maybe I just misunderstood him. Anyways thanks again! 

Scott Adams Grand Master
Scott Adams
Posted

This article might be helpful. It breaks down each type of test, and what a positive results means in terms of the probability that you might have celiac disease. One test that always needs to be done is the IgA Levels/Deficiency Test (often called "Total IGA") because some people are naturally IGA deficient, and if this is the case, then certain blood tests for celiac disease might be false-negative, and other types of tests need to be done to make an accurate diagnosis. The article includes the "Mayo Clinic Protocol," which is the best overall protocol for results to be ~98% accurate.

 

 

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