Chapter 20

V00–Y99: External Causes of Morbidity

External Causes of Morbidity diagnostic classification updated for 2026.

Internal Codes
  • 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

  • Y36.270

    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

  • Y36.290

    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

  • Y36.300

    War operations involving unspecified fire, conflagration and hot substance, military personnel

  • Y36.300A

    War operations involving unspecified fire, conflagration and hot substance, military personnel, initial encounter

  • Y36.300D

    War operations involving unspecified fire, conflagration and hot substance, military personnel, subsequent encounter

  • Y36.300S

    War operations involving unspecified fire, conflagration and hot substance, military personnel, sequela

  • Y36.301

    War operations involving unspecified fire, conflagration and hot substance, civilian

  • Y36.301A

    War operations involving unspecified fire, conflagration and hot substance, civilian, initial encounter

  • Y36.301D

    War operations involving unspecified fire, conflagration and hot substance, civilian, subsequent encounter

  • Y36.301S

    War operations involving unspecified fire, conflagration and hot substance, civilian, sequela

  • Y36.310

    War operations involving gasoline bomb, military personnel

  • Y36.310A

    War operations involving gasoline bomb, military personnel, initial encounter

  • Y36.310D

    War operations involving gasoline bomb, military personnel, subsequent encounter

  • Y36.310S

    War operations involving gasoline bomb, military personnel, sequela

  • Y36.311

    War operations involving gasoline bomb, civilian

  • Y36.311A

    War operations involving gasoline bomb, civilian, initial encounter

  • Y36.311D

    War operations involving gasoline bomb, civilian, subsequent encounter

  • Y36.311S

    War operations involving gasoline bomb, civilian, sequela

  • Y36.320

    War operations involving incendiary bullet, military personnel

  • Y36.320A

    War operations involving incendiary bullet, military personnel, initial encounter

  • Y36.320D

    War operations involving incendiary bullet, military personnel, subsequent encounter

  • Y36.320S

    War operations involving incendiary bullet, military personnel, sequela

  • Y36.321

    War operations involving incendiary bullet, civilian

  • Y36.321A

    War operations involving incendiary bullet, civilian, initial encounter

  • Y36.321D

    War operations involving incendiary bullet, civilian, subsequent encounter

  • Y36.321S

    War operations involving incendiary bullet, civilian, sequela

  • Y36.330

    War operations involving flamethrower, military personnel

  • Y36.330A

    War operations involving flamethrower, military personnel, initial encounter

  • Y36.330D

    War operations involving flamethrower, military personnel, subsequent encounter

  • Y36.330S

    War operations involving flamethrower, military personnel, sequela

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