| Abbreviation | Definition |
|---|---|
| TPCC | Therapeutic Products Classification Committee |
| TPD | Therapeutic Products Directorate |
| TPDS | Training and Professional Development Staff |
| TPH | Tropical Public Health |
| TPI | Tan Protection Index |
| TPLC | Total Product Life Cycle |
| TPN | Total Parenteral Nutrition |
| TPP | Target Product Profile |
| TRAC | Tolerance Re-assessment Advisory Committee |
| TRALI | Transfusion-Related Acute Lung Injury |
| TransNet | internet-based blood shortage reporting program (FDA) |
| TRIMS | Tissue Residue Information Management System |
| TRO | Temporary Restraining Order |
| TROIF | Total Recordable Occupational Illness Frequency |
| TRU | Temporary Recommendations for Use |
| TRx | Total number of Prescriptions |
| TSCA | Toxic Substances Control Act of 1976 |
| TSCSB | Telecommunications and Scientific Computer Support Branch |
| TSCSB(CFSAN) | Telecommunications and Scientific Computer Support Branch (CFSAN) |
| TSD | Travel Services Division |