| W32.0 | Accidental handgun discharge | NON-BILLABLE CODE |
| W32.0XXA | Accidental handgun discharge, initial encounter | BILLABLE CODE |
| W32.0XXD | Accidental handgun discharge, subsequent encounter | BILLABLE CODE |
| W32.0XXS | Accidental handgun discharge, sequela | BILLABLE CODE |
| W32.1 | Accidental handgun malfunction | NON-BILLABLE CODE |
| W32.1XXA | Accidental handgun malfunction, initial encounter | BILLABLE CODE |
| W32.1XXD | Accidental handgun malfunction, subsequent encounter | BILLABLE CODE |
| W32.1XXS | Accidental handgun malfunction, sequela | BILLABLE CODE |
