Chapter 20

V00–Y99: External Causes of Morbidity

External Causes of Morbidity diagnostic classification updated for 2026.

Internal Codes
  • Y28.8

    Contact with other sharp object, undetermined intent

  • Y28.8XXA

    Contact with other sharp object, undetermined intent, initial encounter

  • Y28.8XXD

    Contact with other sharp object, undetermined intent, subsequent encounter

  • Y28.8XXS

    Contact with other sharp object, undetermined intent, sequela

  • Y28.9

    Contact with unspecified sharp object, undetermined intent

  • Y28.9XXA

    Contact with unspecified sharp object, undetermined intent, initial encounter

  • Y28.9XXD

    Contact with unspecified sharp object, undetermined intent, subsequent encounter

  • Y28.9XXS

    Contact with unspecified sharp object, undetermined intent, sequela

  • Y29

    Contact with blunt object, undetermined intent

  • Y29.XXXA

    Contact with blunt object, undetermined intent, initial encounter

  • Y29.XXXD

    Contact with blunt object, undetermined intent, subsequent encounter

  • Y29.XXXS

    Contact with blunt object, undetermined intent, sequela

  • Y30

    Falling, jumping or pushed from a high place, undetermined intent

  • Y30.XXXA

    Falling, jumping or pushed from a high place, undetermined intent, initial encounter

  • Y30.XXXD

    Falling, jumping or pushed from a high place, undetermined intent, subsequent encounter

  • Y30.XXXS

    Falling, jumping or pushed from a high place, undetermined intent, sequela

  • Y31

    Falling, lying or running before or into moving object, undetermined intent

  • Y31.XXXA

    Falling, lying or running before or into moving object, undetermined intent, initial encounter

  • Y31.XXXD

    Falling, lying or running before or into moving object, undetermined intent, subsequent encounter

  • Y31.XXXS

    Falling, lying or running before or into moving object, undetermined intent, sequela

  • Y32

    Crashing of motor vehicle, undetermined intent

  • Y32.XXXA

    Crashing of motor vehicle, undetermined intent, initial encounter

  • Y32.XXXD

    Crashing of motor vehicle, undetermined intent, subsequent encounter

  • Y32.XXXS

    Crashing of motor vehicle, undetermined intent, sequela

  • Y33

    Other specified events, undetermined intent

  • Y33.XXXA

    Other specified events, undetermined intent, initial encounter

  • Y33.XXXD

    Other specified events, undetermined intent, subsequent encounter

  • Y33.XXXS

    Other specified events, undetermined intent, sequela

  • Y35.001

    Legal intervention involving unspecified firearm discharge, law enforcement official injured

  • Y35.001A

    Legal intervention involving unspecified firearm discharge, law enforcement official injured, initial encounter

  • Y35.001D

    Legal intervention involving unspecified firearm discharge, law enforcement official injured, subsequent encounter

  • Y35.001S

    Legal intervention involving unspecified firearm discharge, law enforcement official injured, sequela

  • Y35.002

    Legal intervention involving unspecified firearm discharge, bystander injured

  • Y35.002A

    Legal intervention involving unspecified firearm discharge, bystander injured, initial encounter

  • Y35.002D

    Legal intervention involving unspecified firearm discharge, bystander injured, subsequent encounter

  • Y35.002S

    Legal intervention involving unspecified firearm discharge, bystander injured, sequela

  • Y35.003

    Legal intervention involving unspecified firearm discharge, suspect injured

  • Y35.003A

    Legal intervention involving unspecified firearm discharge, suspect injured, initial encounter

  • Y35.003D

    Legal intervention involving unspecified firearm discharge, suspect injured, subsequent encounter

  • Y35.003S

    Legal intervention involving unspecified firearm discharge, suspect injured, sequela

  • Y35.009

    Legal intervention involving unspecified firearm discharge, unspecified person injured

  • Y35.009A

    Legal intervention involving unspecified firearm discharge, unspecified person injured, initial encounter

  • Y35.009D

    Legal intervention involving unspecified firearm discharge, unspecified person injured, subsequent encounter

  • Y35.009S

    Legal intervention involving unspecified firearm discharge, unspecified person injured, sequela

  • Y35.011

    Legal intervention involving injury by machine gun, law enforcement official injured

  • Y35.011A

    Legal intervention involving injury by machine gun, law enforcement official injured, initial encounter

  • Y35.011D

    Legal intervention involving injury by machine gun, law enforcement official injured, subsequent encounter

  • Y35.011S

    Legal intervention involving injury by machine gun, law enforcement official injured, sequela

  • Y35.012

    Legal intervention involving injury by machine gun, bystander injured

  • Y35.012A

    Legal intervention involving injury by machine gun, bystander injured, initial encounter

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