All ICD10 Codes
Chapter 20

V00–Y99: External Causes of Morbidity

External Causes of Morbidity diagnostic classification updated for 2026.

All CodesBillable Only
Internal Codes
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  • Y08.89XA—

    Assault by other specified means, initial encounter

  • Y08.89XD—

    Assault by other specified means, subsequent encounter

  • Y08.89XS—

    Assault by other specified means, sequela

  • Y09—

    Assault by unspecified means

  • Y21—

    Drowning and submersion, undetermined intent

  • Y21.0—

    Drowning and submersion while in bathtub, undetermined intent

  • Y21.0XXA—

    Drowning and submersion while in bathtub, undetermined intent, initial encounter

  • Y21.0XXD—

    Drowning and submersion while in bathtub, undetermined intent, subsequent encounter

  • Y21.0XXS—

    Drowning and submersion while in bathtub, undetermined intent, sequela

  • Y21.1—

    Drowning and submersion after fall into bathtub, undetermined intent

  • Y21.1XXA—

    Drowning and submersion after fall into bathtub, undetermined intent, initial encounter

  • Y21.1XXD—

    Drowning and submersion after fall into bathtub, undetermined intent, subsequent encounter

  • Y21.1XXS—

    Drowning and submersion after fall into bathtub, undetermined intent, sequela

  • Y21.2—

    Drowning and submersion while in swimming pool, undetermined intent

  • Y21.2XXA—

    Drowning and submersion while in swimming pool, undetermined intent, initial encounter

  • Y21.2XXD—

    Drowning and submersion while in swimming pool, undetermined intent, subsequent encounter

  • Y21.2XXS—

    Drowning and submersion while in swimming pool, undetermined intent, sequela

  • Y21.3—

    Drowning and submersion after fall into swimming pool, undetermined intent

  • Y21.3XXA—

    Drowning and submersion after fall into swimming pool, undetermined intent, initial encounter

  • Y21.3XXD—

    Drowning and submersion after fall into swimming pool, undetermined intent, subsequent encounter

  • Y21.3XXS—

    Drowning and submersion after fall into swimming pool, undetermined intent, sequela

  • Y21.4—

    Drowning and submersion in natural water, undetermined intent

  • Y21.4XXA—

    Drowning and submersion in natural water, undetermined intent, initial encounter

  • Y21.4XXD—

    Drowning and submersion in natural water, undetermined intent, subsequent encounter

  • Y21.4XXS—

    Drowning and submersion in natural water, undetermined intent, sequela

  • Y21.8—

    Other drowning and submersion, undetermined intent

  • Y21.8XXA—

    Other drowning and submersion, undetermined intent, initial encounter

  • Y21.8XXD—

    Other drowning and submersion, undetermined intent, subsequent encounter

  • Y21.8XXS—

    Other drowning and submersion, undetermined intent, sequela

  • Y21.9—

    Unspecified drowning and submersion, undetermined intent

  • Y21.9XXA—

    Unspecified drowning and submersion, undetermined intent, initial encounter

  • Y21.9XXD—

    Unspecified drowning and submersion, undetermined intent, subsequent encounter

  • Y21.9XXS—

    Unspecified drowning and submersion, undetermined intent, sequela

  • Y22—

    Handgun discharge, undetermined intent

  • Y22.XXXA—

    Handgun discharge, undetermined intent, initial encounter

  • Y22.XXXD—

    Handgun discharge, undetermined intent, subsequent encounter

  • Y22.XXXS—

    Handgun discharge, undetermined intent, sequela

  • 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

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