W33.03 Accidental discharge of machine gun

Non-billable ICD-10-CM code.

Applicable to

• Discharge of machine gun NOS

Applies from W33 Accidental rifle, shotgun and larger firearm discharge and malfunction

Includes

• rifle, shotgun and larger firearm 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 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

7th character required

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

Code annotations containing back-references to W33.03

Back-references to W33

• 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)")

Diagnosis Index entries for W33.03

• Discharge (accidental) › firearm (accidental) › machine gun › accidental

Nearby codes

• W33.01XS Accidental discharge of shotgun, sequela
• W33.02 Accidental discharge of hunting rifle
• W33.02XA Accidental discharge of hunting rifle, initial encounter
• W33.02XD Accidental discharge of hunting rifle, subsequent encounter
• W33.02XS Accidental discharge of hunting rifle, sequela
• W33.03 Accidental discharge of machine gun (this code)
• W33.03XA Accidental discharge of machine gun, initial encounter
• W33.03XD Accidental discharge of machine gun, subsequent encounter
• W33.03XS Accidental discharge of machine gun, sequela
• W33.09 Accidental discharge of other larger firearm
• W33.09XA Accidental discharge of other larger firearm, initial encounter