MCMedicalCodingSoftware
W34.110

W34.110: Accidental malfunction of airgun

Non-billable headerICD-10-CM

W34.110 is a non-billable header ICD-10-CM code for accidental malfunction of airgun. 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 W34

A
initial encounter
D
subsequent encounter
S
sequela

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Accidental malfunction of BB gun
  • Accidental malfunction of pellet gun

Other codes that can never be billed with W34.110

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • W32Accidental handgun discharge and malfunction
  • W33Accidental rifle, shotgun and larger firearm discharge and malfunction

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Alphabetic index entries that lead here

  • Powder burn›airgun
  • Powder burn›BB gun
  • Powder burn›pellet gun
  • Recoil›airgun
  • Recoil›BB gun
  • Recoil›pellet
  • Explosion›firearm NEC›airgun
  • Explosion›firearm NEC›BB gun
  • Explosion›firearm NEC›pellet gun
  • Malfunction›firearm›airgun
  • Malfunction›firearm›BB gun
  • Malfunction›firearm›pellet gun

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead W34.110

3 child codes. Green means billable.

Other codes under W34.11

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.