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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  • X36—

    Avalanche, landslide and other earth movements

  • X36.0—

    Collapse of dam or man-made structure causing earth movement

  • X36.0XXA—

    Collapse of dam or man-made structure causing earth movement, initial encounter

  • X36.0XXD—

    Collapse of dam or man-made structure causing earth movement, subsequent encounter

  • X36.0XXS—

    Collapse of dam or man-made structure causing earth movement, sequela

  • X36.1—

    Avalanche, landslide, or mudslide

  • X36.1XXA—

    Avalanche, landslide, or mudslide, initial encounter

  • X36.1XXD—

    Avalanche, landslide, or mudslide, subsequent encounter

  • X36.1XXS—

    Avalanche, landslide, or mudslide, sequela

  • X37—

    Cataclysmic storm

  • X37.0—

    Hurricane

  • X37.0XXA—

    Hurricane, initial encounter

  • X37.0XXD—

    Hurricane, subsequent encounter

  • X37.0XXS—

    Hurricane, sequela

  • X37.1—

    Tornado

  • X37.1XXA—

    Tornado, initial encounter

  • X37.1XXD—

    Tornado, subsequent encounter

  • X37.1XXS—

    Tornado, sequela

  • X37.2—

    Blizzard (snow)(ice)

  • X37.2XXA—

    Blizzard (snow)(ice), initial encounter

  • X37.2XXD—

    Blizzard (snow)(ice), subsequent encounter

  • X37.2XXS—

    Blizzard (snow)(ice), sequela

  • X37.3—

    Dust storm

  • X37.3XXA—

    Dust storm, initial encounter

  • X37.3XXD—

    Dust storm, subsequent encounter

  • X37.3XXS—

    Dust storm, sequela

  • X37.4—

    Tidalwave

  • X37.41—

    Tidal wave due to earthquake or volcanic eruption

  • X37.41XA—

    Tidal wave due to earthquake or volcanic eruption, initial encounter

  • X37.41XD—

    Tidal wave due to earthquake or volcanic eruption, subsequent encounter

  • X37.41XS—

    Tidal wave due to earthquake or volcanic eruption, sequela

  • X37.42—

    Tidal wave due to storm

  • X37.42XA—

    Tidal wave due to storm, initial encounter

  • X37.42XD—

    Tidal wave due to storm, subsequent encounter

  • X37.42XS—

    Tidal wave due to storm, sequela

  • X37.43—

    Tidal wave due to landslide

  • X37.43XA—

    Tidal wave due to landslide, initial encounter

  • X37.43XD—

    Tidal wave due to landslide, subsequent encounter

  • X37.43XS—

    Tidal wave due to landslide, sequela

  • X37.8—

    Other cataclysmic storms

  • X37.8XXA—

    Other cataclysmic storms, initial encounter

  • X37.8XXD—

    Other cataclysmic storms, subsequent encounter

  • X37.8XXS—

    Other cataclysmic storms, sequela

  • X37.9—

    Unspecified cataclysmic storm

  • X37.9XXA—

    Unspecified cataclysmic storm, initial encounter

  • X37.9XXD—

    Unspecified cataclysmic storm, subsequent encounter

  • X37.9XXS—

    Unspecified cataclysmic storm, sequela

  • X38—

    Flood

  • X38.XXXA—

    Flood, initial encounter

  • X38.XXXD—

    Flood, subsequent encounter

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