ICD-10-CM › V00-Y99 › W20-W49 › W33.13 Accidental malfunction of machine gun › W33.13XS
Accidental malfunction of machine gun, sequela
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2010 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2010 Added to the draft code set draft Accidental malfunction of machine gun, sequela
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from W33 Accidental rifle, shotgun and larger firearm discharge and malfunction
Seventh character required
- The appropriate 7th character is to be added to each code from category W33
Excludes1 - never coded here
- 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)
Includes
- rifle, shotgun and larger firearm discharge and malfunction NOS
Inherited from the W20-W49 section Exposure to inanimate mechanical forces (W20-W49)
Excludes1 - never coded here
- assault (X92-Y09)
- contact or collision with animals or persons (W50-W64)
- exposure to inanimate mechanical forces involving military or war operations (Y36.-, Y37.-)
- intentional self-harm (X71-X83)
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Combustion, spontaneous
- Burn, burned, burning > powder
- Burn, burned, burning > ignition
- Contact > with > hot > liquid NEC
- Suffocation > due to, by > ignition
- Accident > caused by, due to > ignition
- Asphyxia, asphyxiation > from > ignition
- Poisoning > fumes or smoke due to > ignition
- Recoil > machine gun
- Powder burn > machine gun
- Malfunction > firearm > machine gun
- Explosion > firearm NEC > machine gun
Codes in the same group
| Code | Description | Status |
|---|---|---|
| W33.13XA | Accidental malfunction of machine gun, initial encounter | Valid |
| W33.13XD | Accidental malfunction of machine gun, subsequent encounter | Valid |