W32.1
W32.1: Accidental handgun malfunction
Non-billable headerICD-10-CM
W32.1 is a non-billable header ICD-10-CM code for accidental handgun malfunction. 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 W32
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Injury due to explosion of handgun (parts)
- Injury due to malfunction of mechanism or component of handgun
- Injury due to recoil of handgun
- Powder burn from handgun
Excludes1 inherited from the categories above W32.1
A category’s note binds every code beneath it.
Written on W32: Accidental handgun discharge and malfunction
- accidental airgun discharge and malfunction (W34.010, W34.110)
- accidental BB gun discharge and malfunction (W34.010, W34.110)
- accidental pellet gun discharge and malfunction (W34.010, W34.110)
- accidental shotgun discharge and malfunction (W33.01, W33.11)
- assault by handgun discharge (X93)
- handgun discharge involving legal intervention (Y35.0-)
- handgun discharge involving military or war operations (Y36.4-)
- intentional self-harm by handgun discharge (X72)
- Very pistol discharge and malfunction (W34.09, W34.19)
Other codes that can never be billed with W32.1
Their own Excludes1 notes name this code, so the conflict is not listed above.
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Alphabetic index entries that lead here
- Powder burn›handgun
- Recoil›handgun
- Explosion›firearm NEC›handgun
- Malfunction›firearm›handgun
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead W32.1
3 child codes. Green means billable.