| T Cell Gene Rearrangement |
| T Cell Subset |
| T Cell WBC Crossmatch |
| T3 Quantitative |
| T3 Uptake |
| T3, Free |
| T3, Free by Equilibiurm Dialysis |
| T3, Reverse |
| T4, Free |
| T4, Free by Equilibrium Dialysis |
| T4, Total |
| Tacrolimus |
| Tay Sachs Screen |
| Tea |
| Tegretol Epoxide |
| Testosterone, Calculated Bioavailable |
| Testosterone, Calculated Free |
| Testosterone, Total by LC-MS/MS |
| Tetanus Antibody Titer |
| Thallium |
