Chapter 20

V00–Y99: External Causes of Morbidity

External Causes of Morbidity diagnostic classification updated for 2026.

Internal Codes
  • X50.9

    Other and unspecified overexertion or strenuous movements or postures

  • X50.9XXA

    Other and unspecified overexertion or strenuous movements or postures, initial encounter

  • X50.9XXD

    Other and unspecified overexertion or strenuous movements or postures, subsequent encounter

  • X50.9XXS

    Other and unspecified overexertion or strenuous movements or postures, sequela

  • X52

    Prolonged stay in weightless environment

  • X52.XXXA

    Prolonged stay in weightless environment, initial encounter

  • X52.XXXD

    Prolonged stay in weightless environment, subsequent encounter

  • X52.XXXS

    Prolonged stay in weightless environment, sequela

  • X58

    Exposure to other specified factors

  • X58.XXXA

    Exposure to other specified factors, initial encounter

  • X58.XXXD

    Exposure to other specified factors, subsequent encounter

  • X58.XXXS

    Exposure to other specified factors, sequela

  • X71.0

    Intentional self-harm by drowning and submersion while in bathtub

  • X71.0XXA

    Intentional self-harm by drowning and submersion while in bathtub, initial encounter

  • X71.0XXD

    Intentional self-harm by drowning and submersion while in bathtub, subsequent encounter

  • X71.0XXS

    Intentional self-harm by drowning and submersion while in bathtub, sequela

  • X71.1

    Intentional self-harm by drowning and submersion while in swimming pool

  • X71.1XXA

    Intentional self-harm by drowning and submersion while in swimming pool, initial encounter

  • X71.1XXD

    Intentional self-harm by drowning and submersion while in swimming pool, subsequent encounter

  • X71.1XXS

    Intentional self-harm by drowning and submersion while in swimming pool, sequela

  • X71.2

    Intentional self-harm by drowning and submersion after jump into swimming pool

  • X71.2XXA

    Intentional self-harm by drowning and submersion after jump into swimming pool, initial encounter

  • X71.2XXD

    Intentional self-harm by drowning and submersion after jump into swimming pool, subsequent encounter

  • X71.2XXS

    Intentional self-harm by drowning and submersion after jump into swimming pool, sequela

  • X71.3

    Intentional self-harm by drowning and submersion in natural water

  • X71.3XXA

    Intentional self-harm by drowning and submersion in natural water, initial encounter

  • X71.3XXD

    Intentional self-harm by drowning and submersion in natural water, subsequent encounter

  • X71.3XXS

    Intentional self-harm by drowning and submersion in natural water, sequela

  • X71.8

    Other intentional self-harm by drowning and submersion

  • X71.8XXA

    Other intentional self-harm by drowning and submersion, initial encounter

  • X71.8XXD

    Other intentional self-harm by drowning and submersion, subsequent encounter

  • X71.8XXS

    Other intentional self-harm by drowning and submersion, sequela

  • X71.9

    Intentional self-harm by drowning and submersion, unspecified

  • X71.9XXA

    Intentional self-harm by drowning and submersion, unspecified, initial encounter

  • X71.9XXD

    Intentional self-harm by drowning and submersion, unspecified, subsequent encounter

  • X71.9XXS

    Intentional self-harm by drowning and submersion, unspecified, sequela

  • X72

    Intentional self-harm by handgun discharge

  • X72.XXXA

    Intentional self-harm by handgun discharge, initial encounter

  • X72.XXXD

    Intentional self-harm by handgun discharge, subsequent encounter

  • X72.XXXS

    Intentional self-harm by handgun discharge, sequela

  • X73.0

    Intentional self-harm by shotgun discharge

  • X73.0XXA

    Intentional self-harm by shotgun discharge, initial encounter

  • X73.0XXD

    Intentional self-harm by shotgun discharge, subsequent encounter

  • X73.0XXS

    Intentional self-harm by shotgun discharge, sequela

  • X73.1

    Intentional self-harm by hunting rifle discharge

  • X73.1XXA

    Intentional self-harm by hunting rifle discharge, initial encounter

  • X73.1XXD

    Intentional self-harm by hunting rifle discharge, subsequent encounter

  • X73.1XXS

    Intentional self-harm by hunting rifle discharge, sequela

  • X73.2

    Intentional self-harm by machine gun discharge

  • X73.2XXA

    Intentional self-harm by machine gun discharge, initial encounter

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