TSH is a pituitary hormone that is affected by so many things that at best it is only an indicator, to be considered along with more important indicators such as symptoms, and also levels of the biologically active thyroid hormones, Free T4 and Free T3. Both
Free T4 and
Free T3 are at acceptable levels. Even with the high Reverse T3, the ratio of
Free T3 to RT3 is also adequate. So what, if any, symptoms does he have?