I am putting letters (A,B,C, etc.) beside my questions
for more ease of you answering them- hope I don't overwhelm you!
The way I see what you are saying, your husband has two different issues in the lipids and the thyroid.
With a TSH of 300 rather than 3.0 for example, which would be in normal range, and a free T4 of only point 11, your pituitary is trying desperately with enormous amounts of thyroid stimulating hormone to stimulate your husband's thyroid....