A member asked:

Ft4 13.9, tsh 4.64 normal?

A doctor has provided 1 answer

High FT4: "FT4" typically stands for Free T4, which has a "normal" range of 0.7 - 1.6 (or a bit higher at some laboratories), so a level of 13.9 is high. TSH of 4.64 is high normal for most laboratories. This combination is unusual but may suggest thyroid hormone resistance. The first step would be to retest TSH, Free T4, and Free T3 to confirm.

Answered 1/11/2017

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