W33.0
W33.0: Accidental rifle, shotgun and larger firearm discharge
Non-billable headerICD-10-CM
W33.0 is a non-billable header ICD-10-CM code for accidental rifle, shotgun and larger firearm discharge. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.
This code requires a 7th character
The appropriate 7th character is to be added to each code from category W33
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Excludes1 inherited from the categories above W33.0
A category’s note binds every code beneath it.
Written on W33: Accidental rifle, shotgun and larger firearm discharge and malfunction
- accidental airgun discharge and malfunction (W34.010, W34.110)
- accidental BB gun discharge and malfunction (W34.010, W34.110)
- accidental handgun discharge and malfunction (W32.-)
- accidental pellet gun discharge and malfunction (W34.010, W34.110)
- assault by rifle, shotgun and larger firearm discharge (X94)
- firearm discharge involving legal intervention (Y35.0-)
- firearm discharge involving military or war operations (Y36.4-)
- intentional self-harm by rifle, shotgun and larger firearm discharge (X73)
Other codes that can never be billed with W33.0
Their own Excludes1 notes name this code, so the conflict is not listed above.
- W32Accidental handgun discharge and malfunction
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead W33.0
5 child codes. Green means billable.