| Abbreviation | Definition |
|---|---|
| TRF | Thyrotropin-Releasing Factor |
| TRH | thyroid releasing hormone |
| TRIAM | Triamcinolone |
| TRIAMACET | Triamcinolone Acetonide |
| TRICHLOROMONO | Trichloromonofluoromethane |
| TrkA | tyrosine kinase-A |
| TRMP | thiopurine methyltransferase |
| TRO | To return to office |
| TRPC6 | transient receptor potential cation channel 6 |
| TRQ | Total Respiratory Quality |
| TRR | Thyroid Hormone Receptor Resource |
| TRS | Treatment Recovery System |
| TRS | Treatment Resistant Schizophrenia |
| TRT | Tinnitus Retraining Therapy |
| TRT | Trauma Release Technique |
| TRT | Trauma Resolution Therapy |
| TRT | Treatment |
| TRV | Technical Remote Viewing |
| TRX | Trithorax |
| TS | Thoracic Spine |