| Full description | Falling, lying or running before or into moving object, undetermined intent |
| Billable | No — use a more specific child code |
| Chapter | Chapter 20: External causes of morbidity (V00-Y99) |
| Section | Event of undetermined intent (Y21-Y33) |
| Requires 7th character | Yes |
| A | initial encounter |
| D | subsequent encounter |
| S | sequela |