The testing I have does the , T3 free, T4 FREE and TSH.
FWIW, most recent:
T3 Free: 3.7 pg/ml (range 2.3-4.2)
T4 Free: 1.26 ng/dl (range 0.89-1.76)
TSH: 0.960 uIU/ml (range 0.55-4.78)
Doc said thyroid looked "fine." I don't know what these numbers mean, but I do run a average low oral temp...