ICD-10-CM Code W33: Accidental rifle, shotgun and larger firearm discharge and malfunction and Related Diagnosis Codes.


The ICD-10-CM (the International Classification of Diseases, Tenth Revision, Clinical Modification) is a standardized coding system used when classifying diseases and medical conditions. Healthcare providers report these codes on Medical claims when diagnosing patient care.

Explore ICD-10-CM codes, organized by chapters based on body systems and medical conditions, as outlined in the International Classification of Diseases, Tenth Revision, Clinical Modification.

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A categorized list of ICD-10-CM codes organized by chapters based on body systems or medical conditions, according to the International Classification of Diseases, Tenth Revision, Clinical Modification.

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  • W33 - Accidental rifle, shotgun and larger firearm discharge and malfunction
    • W33.0 - Accidental rifle, shotgun and larger firearm discharge
      • W33.00 - Accidental discharge of unspecified larger firearm
        • W33.00XA - Accidental discharge of unspecified larger firearm, initial encounter
        • W33.00XD - Accidental discharge of unspecified larger firearm, subsequent encounter
        • W33.00XS - Accidental discharge of unspecified larger firearm, sequela
      • W33.01 - Accidental discharge of shotgun
        • W33.01XA - Accidental discharge of shotgun, initial encounter
        • W33.01XD - Accidental discharge of shotgun, subsequent encounter
        • 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
        • 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
        • W33.09XD - Accidental discharge of other larger firearm, subsequent encounter
        • W33.09XS - Accidental discharge of other larger firearm, sequela
    • W33.1 - Accidental rifle, shotgun and larger firearm malfunction
      • W33.10 - Accidental malfunction of unspecified larger firearm
        • W33.10XA - Accidental malfunction of unspecified larger firearm, initial encounter
        • W33.10XD - Accidental malfunction of unspecified larger firearm, subsequent encounter
        • W33.10XS - Accidental malfunction of unspecified larger firearm, sequela
      • W33.11 - Accidental malfunction of shotgun
        • W33.11XA - Accidental malfunction of shotgun, initial encounter
        • W33.11XD - Accidental malfunction of shotgun, subsequent encounter
        • W33.11XS - Accidental malfunction of shotgun, sequela
      • W33.12 - Accidental malfunction of hunting rifle
        • W33.12XA - Accidental malfunction of hunting rifle, initial encounter
        • W33.12XD - Accidental malfunction of hunting rifle, subsequent encounter
        • W33.12XS - Accidental malfunction of hunting rifle, sequela
      • W33.13 - Accidental malfunction of machine gun
        • W33.13XA - Accidental malfunction of machine gun, initial encounter
        • W33.13XD - Accidental malfunction of machine gun, subsequent encounter
        • W33.13XS - Accidental malfunction of machine gun, sequela
      • W33.19 - Accidental malfunction of other larger firearm
        • W33.19XA - Accidental malfunction of other larger firearm, initial encounter
        • W33.19XD - Accidental malfunction of other larger firearm, subsequent encounter
        • W33.19XS - Accidental malfunction of other larger firearm, sequela

Note: The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) codes are developed and maintained by the Centers for Disease Control and Prevention (CDC). CDC's National Center for Health Statistics (NCHS) is responsible for the clinical modification of ICD-10 for use in the United States. The World Health Organization (WHO), which owns and publishes ICD-10, authorized NCHS to develop ICD-10-CM. All modifications to ICD-10 must conform to WHO's established ICD structure and conventions. All rights are reserved by the respective entities.