W32.1 Accidental handgun malfunction

Non-billable ICD-10-CM code.

Applicable to

• 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

Applies from W32 Accidental handgun discharge and malfunction

Includes

• accidental discharge and malfunction of gun for single hand use
• accidental discharge and malfunction of pistol
• accidental discharge and malfunction of revolver
• Handgun discharge and malfunction NOS

Excludes1 (never code together)

• 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)

7th character note

• The appropriate 7th character is to be added to each code from category W32

7th character required

• A — initial encounter
• D — subsequent encounter
• S — sequela

Code annotations containing back-references to W32.1

Back-references to W32.1

• Type 1 Excludes: W23 Caught, crushed, jammed or pinched in or between objects ("injury caused by firearms malfunction (W32.1, W33.1-, W34.1-)")

Back-references to W32

• Type 1 Excludes: W20 Struck by thrown, projected or falling object ("object set in motion by firearm (W32-W34)")
• Code First: W25 Contact with sharp glass ("injury due to flying glass from explosion or firearm discharge (W32-W40)")
• Type 1 Excludes: W33 Accidental rifle, shotgun and larger firearm discharge and malfunction ("accidental handgun discharge and malfunction (W32.-)")

Diagnosis Index entries for W32.1

• Explosion (accidental) (of) (with secondary fire) › firearm (parts) NEC › handgun
• Malfunction (mechanism or component) (of) › firearm › handgun
• Powder burn (by) (from) › handgun
• Recoil › handgun

Nearby codes

• W32 Accidental handgun discharge and malfunction
• W32.0 Accidental handgun discharge
• W32.0XXA Accidental handgun discharge, initial encounter
• W32.0XXD Accidental handgun discharge, subsequent encounter
• W32.0XXS Accidental handgun discharge, sequela
• W32.1 Accidental handgun malfunction (this code)
• W32.1XXA Accidental handgun malfunction, initial encounter
• W32.1XXD Accidental handgun malfunction, subsequent encounter
• W32.1XXS Accidental handgun malfunction, sequela