Chapter 20

V00–Y99: External Causes of Morbidity

External Causes of Morbidity diagnostic classification updated for 2026.

Internal Codes
  • Y36.231

    War operations involving explosion of improvised explosive device [IED], civilian

  • Y36.231A

    War operations involving explosion of improvised explosive device [IED], civilian, initial encounter

  • Y36.231D

    War operations involving explosion of improvised explosive device [IED], civilian, subsequent encounter

  • Y36.231S

    War operations involving explosion of improvised explosive device [IED], civilian, sequela

  • Y36.24

    War operations involving explosion due to accidental detonation and discharge of own munitions or munitions launch device

  • Y36.240

    War operations involving explosion due to accidental detonation and discharge of own munitions or munitions launch device, military personnel

  • Y36.240A

    War operations involving explosion due to accidental detonation and discharge of own munitions or munitions launch device, military personnel, initial encounter

  • Y36.240D

    War operations involving explosion due to accidental detonation and discharge of own munitions or munitions launch device, military personnel, subsequent encounter

  • Y36.240S

    War operations involving explosion due to accidental detonation and discharge of own munitions or munitions launch device, military personnel, sequela

  • Y36.241

    War operations involving explosion due to accidental detonation and discharge of own munitions or munitions launch device, civilian

  • Y36.241A

    War operations involving explosion due to accidental detonation and discharge of own munitions or munitions launch device, civilian, initial encounter

  • Y36.241D

    War operations involving explosion due to accidental detonation and discharge of own munitions or munitions launch device, civilian, subsequent encounter

  • Y36.241S

    War operations involving explosion due to accidental detonation and discharge of own munitions or munitions launch device, civilian, sequela

  • Y36.25

    War operations involving fragments from munitions

  • Y36.250

    War operations involving fragments from munitions, military personnel

  • Y36.250A

    War operations involving fragments from munitions, military personnel, initial encounter

  • Y36.250D

    War operations involving fragments from munitions, military personnel, subsequent encounter

  • Y36.250S

    War operations involving fragments from munitions, military personnel, sequela

  • Y36.251

    War operations involving fragments from munitions, civilian

  • Y36.251A

    War operations involving fragments from munitions, civilian, initial encounter

  • Y36.251D

    War operations involving fragments from munitions, civilian, subsequent encounter

  • Y36.251S

    War operations involving fragments from munitions, civilian, sequela

  • Y36.26

    War operations involving fragments of improvised explosive device [IED]

  • Y36.260

    War operations involving fragments of improvised explosive device [IED], military personnel

  • Y36.260A

    War operations involving fragments of improvised explosive device [IED], military personnel, initial encounter

  • Y36.260D

    War operations involving fragments of improvised explosive device [IED], military personnel, subsequent encounter

  • Y36.260S

    War operations involving fragments of improvised explosive device [IED], military personnel, sequela

  • Y36.261

    War operations involving fragments of improvised explosive device [IED], civilian

  • Y36.261A

    War operations involving fragments of improvised explosive device [IED], civilian, initial encounter

  • Y36.261D

    War operations involving fragments of improvised explosive device [IED], civilian, subsequent encounter

  • Y36.261S

    War operations involving fragments of improvised explosive device [IED], civilian, sequela

  • Y36.27

    War operations involving fragments from weapons

  • Y36.270

    War operations involving fragments from weapons, military personnel

  • Y36.270A

    War operations involving fragments from weapons, military personnel, initial encounter

  • Y36.270D

    War operations involving fragments from weapons, military personnel, subsequent encounter

  • Y36.270S

    War operations involving fragments from weapons, military personnel, sequela

  • Y36.271

    War operations involving fragments from weapons, civilian

  • Y36.271A

    War operations involving fragments from weapons, civilian, initial encounter

  • Y36.271D

    War operations involving fragments from weapons, civilian, subsequent encounter

  • Y36.271S

    War operations involving fragments from weapons, civilian, sequela

  • Y36.29

    War operations involving other explosions and fragments

  • Y36.290

    War operations involving other explosions and fragments, military personnel

  • Y36.290A

    War operations involving other explosions and fragments, military personnel, initial encounter

  • Y36.290D

    War operations involving other explosions and fragments, military personnel, subsequent encounter

  • Y36.290S

    War operations involving other explosions and fragments, military personnel, sequela

  • Y36.291

    War operations involving other explosions and fragments, civilian

  • Y36.291A

    War operations involving other explosions and fragments, civilian, initial encounter

  • Y36.291D

    War operations involving other explosions and fragments, civilian, subsequent encounter

  • Y36.291S

    War operations involving other explosions and fragments, civilian, sequela

  • Y36.3

    War operations involving fires, conflagrations and hot substances

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