- Tackle in sport, W03
- Terrorism (involving), Y38.80
- Thirst, X58
- Threat to breathing,
- Thrown (accidentally),
- Thunderbolt, see subcategory T75.0
- Tidal wave NEC (any injury), see Forces of nature, tidal wave
- Took,
- Tornado (any injury), X37.1
- Torrential rain (any injury), X37.8
- Torture, X58
- Trampled by animal NEC, W55.89
- Trapped (accidentally),
- Travel (effects) (sickness), T75.3
- Tree falling on or hitting (accidentally) (person), W20.8
- Tripping,
- Twisted by person (s) (accidentally), W50.2
- Twisting (prolonged) (static), X50.1