| Abbreviation | Definition |
|---|---|
| TTC | Trying To Conceive |
| TTD | Tickled To Death |
| TTES | Train To End Stroke |
| TTFT | Time To First Treatment |
| TTH | To Take Home |
| TTHH | Twin Tier Home Health |
| TTP | Trusted Third Party |
| TTSH | Tan Tock Seng Hospital |
| TTT | Transpupillary ThermoTheraphy |
| TTT | Twin to Twin Transfusion |
| TTWB | Toe Touch Weight Bearing |
| TUBD | Transurethral Balloon Dilation |
| TUH | Temple University Hospital |
| TV | Total Vagotomy |
| TV | Truncal Vagotomy |
| TVM | Trivandrum |
| TVS | TransVaginal Sonography |
| TVU | Total Volume of Urine |
| TWGH | Tung Wah Group of Hospitals |
| TWH | The Washington Hospital |