Exposure to inanimate mechanical forces (W20-W49)
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
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)

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

sevenChrDef
A: initial encounter
D: subsequent encounter
S: sequela
W32.0: Accidental handgun discharge
W32.1: Accidental handgun malfunction

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