I just noticed that in her labs from 11/13, TT3 is well over
range, but by 5/14, FT3 (FT3 is the unbound portion of TT3) is very low in the
range. Back in 3/13, TT3 was low, so it's kind of all over the place. Of course, there's also 14 months time in there.
Has anyone ever tested your daughter for thyroid antibodies? Her current labs could suggest Graves' disease (autoimmune hyperthyroidism). TSI (thyroid stimulating immunoglobulin) is the test for Graves'.