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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  • Y37.90XA—

    Military operations, unspecified, initial encounter

  • Y37.90XD—

    Military operations, unspecified, subsequent encounter

  • Y37.90XS—

    Military operations, unspecified, sequela

  • Y37.91—

    Military operations involving unspecified weapon of mass destruction [WMD]

  • Y37.91XA—

    Military operations involving unspecified weapon of mass destruction [WMD], initial encounter

  • Y37.91XD—

    Military operations involving unspecified weapon of mass destruction [WMD], subsequent encounter

  • Y37.91XS—

    Military operations involving unspecified weapon of mass destruction [WMD], sequela

  • Y37.92—

    Military operations involving friendly fire

  • Y37.92XA—

    Military operations involving friendly fire, initial encounter

  • Y37.92XD—

    Military operations involving friendly fire, subsequent encounter

  • Y37.92XS—

    Military operations involving friendly fire, sequela

  • Y37.A—

    Blast overpressure in military operations

  • Y37.A1—

    Low level blast overpressure in military operations

  • Y37.A1XA—

    Low level blast overpressure in military operations, initial encounter

  • Y37.A1XD—

    Low level blast overpressure in military operations, subsequent encounter

  • Y37.A1XS—

    Low level blast overpressure in military operations, sequela

  • Y37.A2—

    High level blast overpressure in military operations

  • Y37.A2XA—

    High level blast overpressure in military operations, initial encounter

  • Y37.A2XD—

    High level blast overpressure in military operations, subsequent encounter

  • Y37.A2XS—

    High level blast overpressure in military operations, sequela

  • Y38—

    Terrorism

  • Y38.0—

    Terrorism involving explosion of marine weapons

  • Y38.0X—

    Terrorism involving explosion of marine weapons

  • Y38.0X1—

    Terrorism involving explosion of marine weapons, public safety official injured

  • Y38.0X1A—

    Terrorism involving explosion of marine weapons, public safety official injured, initial encounter

  • Y38.0X1D—

    Terrorism involving explosion of marine weapons, public safety official injured, subsequent encounter

  • Y38.0X1S—

    Terrorism involving explosion of marine weapons, public safety official injured, sequela

  • Y38.0X2—

    Terrorism involving explosion of marine weapons, civilian injured

  • Y38.0X2A—

    Terrorism involving explosion of marine weapons, civilian injured, initial encounter

  • Y38.0X2D—

    Terrorism involving explosion of marine weapons, civilian injured, subsequent encounter

  • Y38.0X2S—

    Terrorism involving explosion of marine weapons, civilian injured, sequela

  • Y38.0X3—

    Terrorism involving explosion of marine weapons, terrorist injured

  • Y38.0X3A—

    Terrorism involving explosion of marine weapons, terrorist injured, initial encounter

  • Y38.0X3D—

    Terrorism involving explosion of marine weapons, terrorist injured, subsequent encounter

  • Y38.0X3S—

    Terrorism involving explosion of marine weapons, terrorist injured, sequela

  • Y38.1—

    Terrorism involving destruction of aircraft

  • Y38.1X—

    Terrorism involving destruction of aircraft

  • Y38.1X1—

    Terrorism involving destruction of aircraft, public safety official injured

  • Y38.1X1A—

    Terrorism involving destruction of aircraft, public safety official injured, initial encounter

  • Y38.1X1D—

    Terrorism involving destruction of aircraft, public safety official injured, subsequent encounter

  • Y38.1X1S—

    Terrorism involving destruction of aircraft, public safety official injured, sequela

  • Y38.1X2—

    Terrorism involving destruction of aircraft, civilian injured

  • Y38.1X2A—

    Terrorism involving destruction of aircraft, civilian injured, initial encounter

  • Y38.1X2D—

    Terrorism involving destruction of aircraft, civilian injured, subsequent encounter

  • Y38.1X2S—

    Terrorism involving destruction of aircraft, civilian injured, sequela

  • Y38.1X3—

    Terrorism involving destruction of aircraft, terrorist injured

  • Y38.1X3A—

    Terrorism involving destruction of aircraft, terrorist injured, initial encounter

  • Y38.1X3D—

    Terrorism involving destruction of aircraft, terrorist injured, subsequent encounter

  • Y38.1X3S—

    Terrorism involving destruction of aircraft, terrorist injured, sequela

  • Y38.2—

    Terrorism involving other explosions and fragments

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