Lab Test Directory—Saint Luke's Regional Laboratories
| T4 FREE | T4 (Thyroxine), Free, Serum or Plasma |
| T4 | T4 (Thyroxine), Total Only, Serum or Plasma |
| T4 FREE DIAL | T4 Free By Dialysis/Mass Spec |
| T7 | T7, Serum or Plasma |
| TACRO | Tacrolimus, Blood |
| REF MISC | Testosterone Free MS/Dialysis |
| TESTOS FREE | Testosterone, Free |
| TTBS | Testosterone, Total and Bioavailable |
| TESTOS | Testosterone, Total Only, Serum or Plasma |
| TET AB | Tetanus Antibody, IgG |