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A member asked:
Normal tsh, high t4 and high t3 (liothyronine). what is it?
A doctor has provided 1 answer
A high protein: T4 and T3 (liothyronine) are bound to a protein in the blood and when it is high, the T4 and T3 (liothyronine) can be elevated with a normal tsh. Estrogen, birth control and pregnancy are the most common causes of an elevation of this protein.
Answered 8/31/2020
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