W33
Non-billableAcc rifle, shotgun and larger firearm discharge and malfunct
Accidental rifle, shotgun and larger firearm discharge and malfunction
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Includes
Conditions included under this code
- rifle, shotgun and larger firearm discharge and malfunction NOS
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- •assaultX92-Y09
- •contact or collision with animals or personsW50-W64
- •exposure to inanimate mechanical forces involving military or war operations,Y36, Y37
- •intentional self-harmX71-X83
- •accidental airgun discharge and malfunction,W34.010, W34.110
- •accidental BB gun discharge and malfunction,W34.010, W34.110
- •accidental handgun discharge and malfunctionW32
- •accidental pellet gun discharge and malfunction,W34.010, W34.110
- •assault by rifle, shotgun and larger firearm dischargeX94
- •firearm discharge involving legal interventionY35.0
- •firearm discharge involving military or war operationsY36.4
- •intentional self-harm by rifle, shotgun and larger firearm dischargeX73
7th Character Definitions
- A - initial encounter
- D - subsequent encounter
- S - sequela
Child Codes (2)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(3)
Frequently Asked Questions
What is the ICD-10 code for acc rifle, shotgun and larger firearm discharge and malfunct?
The ICD-10-CM code for acc rifle, shotgun and larger firearm discharge and malfunct is W33. The full clinical description is "Accidental rifle, shotgun and larger firearm discharge and malfunction". W33 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code W33 mean?
ICD-10-CM code W33 represents “Accidental rifle, shotgun and larger firearm discharge and malfunction”. It is classified under Chapter 21: External Causes of Morbidity and is a non-billable header code. Use a more specific child code for billing purposes.
Is W33 a billable code?
No, W33 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 2 child codes under W33.
What chapter is W33 in?
W33 is in Chapter 21: External Causes of Morbidity (codes V00-Y99).
What codes cannot be used with W33?
W33 has Excludes1 notes indicating codes that cannot be used together with it, including: assault (X92-Y09); contact or collision with animals or persons (W50-W64); exposure to inanimate mechanical forces involving military or war operations (Y36.-, Y37.-); and 9 more.
What are the subcategories under W33?
W33 has 2 child codes, including: W33.0 (Accidental rifle, shotgun and larger firearm discharge), W33.1 (Accidental rifle, shotgun and larger firearm malfunction).
What are the UMLS CUIs for W33?
W33 is linked to 2 UMLS Concept Unique Identifiers: C2904403, C4290472. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does W33 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like acc rifle, shotgun and larger firearm discharge and malfunct affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of W33?
W33 maps to the ICD-11 code: PA80.1 (Unintentionally struck by projectile from rifle, shotgun or larger firearm).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.