| Full description | Accidental discharge and malfunction from other and unspecified firearms and guns |
| Billable | No — use a more specific child code |
| Chapter | Chapter 20: External causes of morbidity (V00-Y99) |
| Section | Exposure to inanimate mechanical forces (W20-W49) |
| A | initial encounter |
| D | subsequent encounter |
| S | sequela |