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Be sure the patient eats at least ten grams of gluten per day for a minimum of two weeks prior to repeating antibody testing.
Some people unconsciously reduce the amount of gluten in their diet because the feel unwell. Three grams of gluten per day is sufficient to produce symptoms. Only at ten grams or more is the immune system provoked to raise the antibody production high enough so that the antibodies leave the digestive tract and enter the blood stream where they can be measured.
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Thanks for your response and thoughts. Total IgA is normal. HLA DQ2/DQ8 came as heterozygous and the interpretation of the lab that the risk of coeliac disease is mild to moderate. Thyroid function test is normal. I agree that the best way is to repeat tTG antibodies in 6 months time as the result was not massively high.
Welcome to the forum, @Wamedh Taj-Aldeen,
How is the patient's thyroid?
You could check for thiamine deficiency which can cause the thyroid to either become hyper or hypo.
TTg IgA can be high in both hyperthyroidism and hypothyroidism. tTg IgA can also be high if patient is taking medications to stimulate the thyroid as in hypothyroidism.
Thanks for visiting! Keep us posted!