Chapter 20

V00–Y99: External Causes of Morbidity

External Causes of Morbidity diagnostic classification updated for 2026.

Internal Codes
  • Y35.209

    Legal intervention involving unspecified gas, unspecified person injured

  • Y35.209A

    Legal intervention involving unspecified gas, unspecified person injured, initial encounter

  • Y35.209D

    Legal intervention involving unspecified gas, unspecified person injured, subsequent encounter

  • Y35.209S

    Legal intervention involving unspecified gas, unspecified person injured, sequela

  • Y35.211

    Legal intervention involving injury by tear gas, law enforcement official injured

  • Y35.211A

    Legal intervention involving injury by tear gas, law enforcement official injured, initial encounter

  • Y35.211D

    Legal intervention involving injury by tear gas, law enforcement official injured, subsequent encounter

  • Y35.211S

    Legal intervention involving injury by tear gas, law enforcement official injured, sequela

  • Y35.212

    Legal intervention involving injury by tear gas, bystander injured

  • Y35.212A

    Legal intervention involving injury by tear gas, bystander injured, initial encounter

  • Y35.212D

    Legal intervention involving injury by tear gas, bystander injured, subsequent encounter

  • Y35.212S

    Legal intervention involving injury by tear gas, bystander injured, sequela

  • Y35.213

    Legal intervention involving injury by tear gas, suspect injured

  • Y35.213A

    Legal intervention involving injury by tear gas, suspect injured, initial encounter

  • Y35.213D

    Legal intervention involving injury by tear gas, suspect injured, subsequent encounter

  • Y35.213S

    Legal intervention involving injury by tear gas, suspect injured, sequela

  • Y35.219

    Legal intervention involving injury by tear gas, unspecified person injured

  • Y35.219A

    Legal intervention involving injury by tear gas, unspecified person injured, initial encounter

  • Y35.219D

    Legal intervention involving injury by tear gas, unspecified person injured, subsequent encounter

  • Y35.219S

    Legal intervention involving injury by tear gas, unspecified person injured, sequela

  • Y35.291

    Legal intervention involving other gas, law enforcement official injured

  • Y35.291A

    Legal intervention involving other gas, law enforcement official injured, initial encounter

  • Y35.291D

    Legal intervention involving other gas, law enforcement official injured, subsequent encounter

  • Y35.291S

    Legal intervention involving other gas, law enforcement official injured, sequela

  • Y35.292

    Legal intervention involving other gas, bystander injured

  • Y35.292A

    Legal intervention involving other gas, bystander injured, initial encounter

  • Y35.292D

    Legal intervention involving other gas, bystander injured, subsequent encounter

  • Y35.292S

    Legal intervention involving other gas, bystander injured, sequela

  • Y35.293

    Legal intervention involving other gas, suspect injured

  • Y35.293A

    Legal intervention involving other gas, suspect injured, initial encounter

  • Y35.293D

    Legal intervention involving other gas, suspect injured, subsequent encounter

  • Y35.293S

    Legal intervention involving other gas, suspect injured, sequela

  • Y35.299

    Legal intervention involving other gas, unspecified person injured

  • Y35.299A

    Legal intervention involving other gas, unspecified person injured, initial encounter

  • Y35.299D

    Legal intervention involving other gas, unspecified person injured, subsequent encounter

  • Y35.299S

    Legal intervention involving other gas, unspecified person injured, sequela

  • Y35.301

    Legal intervention involving unspecified blunt objects, law enforcement official injured

  • Y35.301A

    Legal intervention involving unspecified blunt objects, law enforcement official injured, initial encounter

  • Y35.301D

    Legal intervention involving unspecified blunt objects, law enforcement official injured, subsequent encounter

  • Y35.301S

    Legal intervention involving unspecified blunt objects, law enforcement official injured, sequela

  • Y35.302

    Legal intervention involving unspecified blunt objects, bystander injured

  • Y35.302A

    Legal intervention involving unspecified blunt objects, bystander injured, initial encounter

  • Y35.302D

    Legal intervention involving unspecified blunt objects, bystander injured, subsequent encounter

  • Y35.302S

    Legal intervention involving unspecified blunt objects, bystander injured, sequela

  • Y35.303

    Legal intervention involving unspecified blunt objects, suspect injured

  • Y35.303A

    Legal intervention involving unspecified blunt objects, suspect injured, initial encounter

  • Y35.303D

    Legal intervention involving unspecified blunt objects, suspect injured, subsequent encounter

  • Y35.303S

    Legal intervention involving unspecified blunt objects, suspect injured, sequela

  • Y35.309

    Legal intervention involving unspecified blunt objects, unspecified person injured

  • Y35.309A

    Legal intervention involving unspecified blunt objects, unspecified person injured, initial encounter

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