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  5. Rifle, shotgun and larger firearm discharge, undetermined intent (Y23)

Rifle, shotgun and larger firearm discharge, undetermined intent (Y23)

The ICD-10 code Y23 and its subdivisions are used to classify injuries caused by the discharge of rifles, shotguns, and larger firearms when the intent behind the injury is undetermined. This includes specific categories for different firearm types, such as shotguns, hunting rifles, military firearms, machine guns, and other large firearms.

These codes help document cases where the cause of injury falls under "injury of unknown intent by firearms and explosives," covering initial treatment, subsequent encounters, and any long-term complications (sequela). For example, Y23.0XXA refers to an initial encounter for a shotgun discharge injury with an uncertain intent, while Y23.1XXA covers the same scenario but for a hunting rifle. This detailed classification supports accurate recording of incidents that involve undetermined firearm-related injuries, ensuring clear differentiation between various weapon types and stages of care. Medical coders seeking the ICD-10 code for shotgun discharge of undetermined intent or similar firearm injuries will find these codes crucial for precise documentation.

  • External causes of morbidity and mortality (V01–Y99)

    • Event of undetermined intent (Y21-Y33)

        • Rifle, shotgun and larger firearm discharge, undetermined intent (Y23)

        • Y23 Rifle, shotgun and larger firearm discharge, undetermined intent
        • Y23.0 Shotgun discharge, undetermined intent
        • Y23.0XXA Shotgun discharge, undetermined intent, initial encounter
        • Y23.0XXD Shotgun discharge, undetermined intent, subsequent encounter
        • Y23.0XXS Shotgun discharge, undetermined intent, sequela
        • Y23.1 Hunting rifle discharge, undetermined intent
        • Y23.1XXA Hunting rifle discharge, undetermined intent, initial encounter
        • Y23.1XXD Hunting rifle discharge, undetermined intent, subsequent encounter
        • Y23.1XXS Hunting rifle discharge, undetermined intent, sequela
        • Y23.2 Military firearm discharge, undetermined intent
        • Y23.2XXA Military firearm discharge, undetermined intent, initial encounter
        • Y23.2XXD Military firearm discharge, undetermined intent, subsequent encounter
        • Y23.2XXS Military firearm discharge, undetermined intent, sequela
        • Y23.3 Machine gun discharge, undetermined intent
        • Y23.3XXA Machine gun discharge, undetermined intent, initial encounter
        • Y23.3XXD Machine gun discharge, undetermined intent, subsequent encounter
        • Y23.3XXS Machine gun discharge, undetermined intent, sequela
        • Y23.8 Other larger firearm discharge, undetermined intent
        • Y23.8XXA Other larger firearm discharge, undetermined intent, initial encounter
        • Y23.8XXD Other larger firearm discharge, undetermined intent, subsequent encounter
        • Y23.8XXS Other larger firearm discharge, undetermined intent, sequela
        • Y23.9 Unspecified larger firearm discharge, undetermined intent
        • Y23.9XXA Unspecified larger firearm discharge, undetermined intent, initial encounter
        • Y23.9XXD Unspecified larger firearm discharge, undetermined intent, subsequent encounter
        • Y23.9XXS Unspecified larger firearm discharge, undetermined intent, sequela

Instructional Notations

Type 2 Excludes

A type 2 excludes note represents "Not included here". An excludes2 note indicates that the condition excluded is not part of the condition represented by the code, but a patient may have both conditions at the same time. When an Excludes2 note appears under a code, it is acceptable to use both the code and the excluded code together, when appropriate.

7th Character Note

Certain ICD-10-CM categories have applicable 7th characters. The applicable 7th character is required for all codes within the category, or as the notes in the Tabular List instruct. The 7th character must always be the 7th character in the data field. If a code that requires a 7th character is not 6 characters, a placeholder X must be used to fill in the empty characters.

  • The appropriate 7th character is to be added to each code from category Y23

7th Character

Indicates that a seventh character is to be assigned to codes in a subcategory.

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