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W33Acc rifle, shotgun and larger firearm discharge and malfunct

ICD-10-CM category (non-billable header) code — part of Exposure to inanimate mechanical forces (W20-W49)

Code Details

Full descriptionAccidental rifle, shotgun and larger firearm discharge and malfunction
BillableNo — use a more specific child code
ChapterChapter 20: External causes of morbidity (V00-Y99)
SectionExposure to inanimate mechanical forces (W20-W49)

Valid 7th Characters

Ainitial encounter
Dsubsequent encounter
Ssequela

Coding Notes

Includes

  • rifle, shotgun and larger firearm discharge and malfunction NOS

Excludes1 (never code both together)

  • 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)

7th Character Note

  • The appropriate 7th character is to be added to each code from category W33

Subcategories (2)

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