| W20 | Struck by thrown, projected or falling object |
| W20.0 | Struck by falling object in cave-in |
| W20.1 | Struck by object due to collapse of building |
| W20.8 | Other cause of strike by thrown, projected or falling object |
| W21 | Striking against or struck by sports equipment |
| W21.0 | Struck by hit or thrown ball |
| W21.00 | Struck by hit or thrown ball, unspecified type |
| W21.01 | Struck by football |
| W21.02 | Struck by soccer ball |
| W21.03 | Struck by baseball |
| W21.04 | Struck by golf ball |
| W21.05 | Struck by basketball |
| W21.06 | Struck by volleyball |
| W21.07 | Struck by softball |
| W21.09 | Struck by other hit or thrown ball |
| W21.1 | Struck by bat, racquet or club |
| W21.11 | Struck by baseball bat |
| W21.12 | Struck by tennis racquet |
| W21.13 | Struck by golf club |
| W21.19 | Struck by other bat, racquet or club |
| W21.2 | Struck by hockey stick or puck |
| W21.21 | Struck by hockey stick |
| W21.210 | Struck by ice hockey stick |
| W21.211 | Struck by field hockey stick |
| W21.22 | Struck by hockey puck |
| W21.220 | Struck by ice hockey puck |
| W21.221 | Struck by field hockey puck |
| W21.3 | Struck by sports foot wear |
| W21.31 | Struck by shoe cleats |
| W21.32 | Struck by skate blades |
| W21.39 | Struck by other sports foot wear |
| W21.4 | Striking against diving board |
| W21.8 | Striking against or struck by other sports equipment |
| W21.81 | Striking against or struck by football helmet |
| W21.89 | Striking against or struck by other sports equipment |
| W21.9 | Striking against or struck by unspecified sports equipment |
| W22 | Striking against or struck by other objects |
| W22.0 | Striking against stationary object |
| W22.01 | Walked into wall |
| W22.02 | Walked into lamppost |
| W22.03 | Walked into furniture |
| W22.04 | Striking against wall of swimming pool |
| W22.041 | Striking against wall of swimming pool causing drowning and submersion |
| W22.042 | Striking against wall of swimming pool causing other injury |
| W22.09 | Striking against other stationary object |
| W22.1 | Striking against or struck by automobile airbag |
| W22.10 | Striking against or struck by unspecified automobile airbag |
| W22.11 | Striking against or struck by driver side automobile airbag |
| W22.12 | Striking against or struck by front passenger side automobile airbag |
| W22.19 | Striking against or struck by other automobile airbag |
| W22.8 | Striking against or struck by other objects |