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W33 - Accidental rifle, shotgun and larger firearm discharge and malfunction


The ICD 10 Code for Accidental rifle, shotgun and larger firearm discharge and malfunction is listed as W33.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: W33
Description: Accidental rifle, shotgun and larger firearm discharge and malfunction
  • Includes: rifle, shotgun and larger firearm discharge and malfunction NOS
  • Excludes1: 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)
  • The appropriate 7th character is to be added to each code from category W33
  • A - initial encounter
  • D - subsequent encounter
  • S - sequela
Chapter External causes of morbidity (V00-Y99)
ICD-10-CM Children (deeper level / typically more specific) of W33:
W33.0 - Accidental rifle, shotgun and larger firearm discharge
W33.1 - Accidental rifle, shotgun and larger firearm malfunction