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    Gluten Free Guerrillas
    8,481 members • 3,503 posts

    Blood tests and IgA deficiency

    Hello I've been referred for a gastroscopy for coeliacs but my TTG was negative and my total IgA was really pointless it just said >0.0005 g/L when NICE guidelines say IgA deficiency is if <0.7g/L and that if TTG negative then need to test if person is IgA deficient. I don't want gastroscopy if I don't need one and am so frustrated that apparently in Wiltshire they don't follow the NIcE guidelines for coeliac testing! Any one got advice or experience please?

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    Hi,

    You could try discussing the issue with these people to see if they can help:

    wiltshireccg.nhs.uk/have-yo...

    Sometimes they can mediate on your behalf. Maybe they can encourage your local services to follow NICE guidelines (or find out why they're not!).

    The equivalent PALS (Patient Advice and Liaison Service) in my area helped a client I was supporting at the time to resolve an ongoing issue she had.

    Best of luck, I hope you can get the answers you're seeking.

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    Thanks I actually spoke to PALS and they encouraged me to speak to surgery practice manager who got the GP to ring me and explain that the NICE guidelines are just guidelines and she couldn't get the tests suggested. It's a bit crap in my opinion.

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    I am having this very same problem, my Ttg/IgA was negative, however, my total IgA was 0.98 (the lower limit in range is 0.85) which is low but still classed as normal. I have been on immunosuppressants for 7 years which is probably the cause of my low IgA, but has it given me a false negative test result? I have all the symptoms of coeliacs but are my immunosuppressants falsifying the results!

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