Thyroid function tests
A TFT panel typically includes thyroid hormones such as thyroid-stimulating hormone ( TSH , thyrotropin ) and thyroxine ( T4 ) , and triiodothyronine ( T3 ) depending on local laboratory policy . 
<triplet> triiodothyronine <subj> thyroid hormones <obj> instance of <subj> thyroxine <obj> instance of