Lab Test Directory—Saint Luke's Regional Laboratories
| TESTOS | Testosterone, Total Only, Serum or Plasma |
| TET AB | Tetanus Antibody, IgG |
| TG REFLEX | TgAb + Thyroglobulin, IMA or LCMS |
| THAL | Thallium |
| THEO | Theophylline, Serum or Plasma |
| THIOCYAN | Thiocyanate |
| THIOPURINE M | Thiopurine Metabolites |
| THIO METHYL | Thiopurine Methyltransferase (TPMT) |
| THROMBIN TIME | Thrombin Time |
| TEG | Thromboelastograph |