Pathology Investigations
Serum TSH level 4.6 mu/L [0.27 - 4.2]; Above high reference limit
Serum free T4 level 14.6 pmol/L [12.0 - 22.0]
Serum free triiodothyronine level 4.5 pmol/L [3.1 - 6.8] these were my previous results
This is what came back yesterday Serum TSH level 1.3 mu/L [0.27 - 4.2]
am I still under active , current taking 100mg of levethyroxine