| Abbreviation | Definition |
|---|---|
| TCP | Total Commissioning Pilot |
| TCP | Total Commissioning Project |
| TCP | tricalcium phosphate |
| TCP | tropical calcific pancreatitis |
| TCR | Teenage Conception Rate |
| TCS | terms and conditions of service |
| TCS | tethered cord syndrome |
| TCS | tonic-clonic seizure |
| TCS | topical corticosteroids |
| TCS | tracheal cartilaginous sleeve |
| TCS | Transforming Community Services |
| TDA | Trust Development Authority |
| TDB | toxicology databank |
| TDB | Tracking Database |
| TDHC | The Doctors Healthcare Company |
| TDHC | The Doctors Healthcare Company–subsumed by Sonic Healthcare Ltd in 2002 |
| TDS | ter die sumendum - Three Times Daily |
| TEACCH | Treatment and Education of Autistic and Related Communication Handicapped Children |
| TEACCHXX | Treatment and Education of Autistic and related Communication Handicapped Children |
| TEC | thiotepa, etoposide, carboplatin |