Chapter 19

S00–T88: Injury, Poisoning and Certain Other Consequences of External Causes

Injury, Poisoning and Certain Other Consequences of External Causes diagnostic classification updated for 2026.

Chapter Instructions

Excludes2(Not included here. Code separately if applicable.)
Use Additional Code
  • code to identify any retained foreign body, if applicable (Z18.-)
Internal Codes
  • T71.153A|

    Asphyxiation due to smothering in furniture, assault, initial encounter

  • T71.153D|

    Asphyxiation due to smothering in furniture, assault, subsequent encounter

  • T71.153S|

    Asphyxiation due to smothering in furniture, assault, sequela

  • T71.154|

    Asphyxiation due to smothering in furniture, undetermined

  • T71.154A|

    Asphyxiation due to smothering in furniture, undetermined, initial encounter

  • T71.154D|

    Asphyxiation due to smothering in furniture, undetermined, subsequent encounter

  • T71.154S|

    Asphyxiation due to smothering in furniture, undetermined, sequela

  • T71.16|

    Asphyxiation due to hanging

  • T71.161|

    Asphyxiation due to hanging, accidental

  • T71.161A|

    Asphyxiation due to hanging, accidental, initial encounter

  • T71.161D|

    Asphyxiation due to hanging, accidental, subsequent encounter

  • T71.161S|

    Asphyxiation due to hanging, accidental, sequela

  • T71.162|

    Asphyxiation due to hanging, intentional self-harm

  • T71.162A|

    Asphyxiation due to hanging, intentional self-harm, initial encounter

  • T71.162D|

    Asphyxiation due to hanging, intentional self-harm, subsequent encounter

  • T71.162S|

    Asphyxiation due to hanging, intentional self-harm, sequela

  • T71.163|

    Asphyxiation due to hanging, assault

  • T71.163A|

    Asphyxiation due to hanging, assault, initial encounter

  • T71.163D|

    Asphyxiation due to hanging, assault, subsequent encounter

  • T71.163S|

    Asphyxiation due to hanging, assault, sequela

  • T71.164|

    Asphyxiation due to hanging, undetermined

  • T71.164A|

    Asphyxiation due to hanging, undetermined, initial encounter

  • T71.164D|

    Asphyxiation due to hanging, undetermined, subsequent encounter

  • T71.164S|

    Asphyxiation due to hanging, undetermined, sequela

  • T71.19|

    Asphyxiation due to mechanical threat to breathing due to other causes

  • T71.191|

    Asphyxiation due to mechanical threat to breathing due to other causes, accidental

  • T71.191A|

    Asphyxiation due to mechanical threat to breathing due to other causes, accidental, initial encounter

  • T71.191D|

    Asphyxiation due to mechanical threat to breathing due to other causes, accidental, subsequent encounter

  • T71.191S|

    Asphyxiation due to mechanical threat to breathing due to other causes, accidental, sequela

  • T71.192|

    Asphyxiation due to mechanical threat to breathing due to other causes, intentional self-harm

  • T71.192A|

    Asphyxiation due to mechanical threat to breathing due to other causes, intentional self-harm, initial encounter

  • T71.192D|

    Asphyxiation due to mechanical threat to breathing due to other causes, intentional self-harm, subsequent encounter

  • T71.192S|

    Asphyxiation due to mechanical threat to breathing due to other causes, intentional self-harm, sequela

  • T71.193|

    Asphyxiation due to mechanical threat to breathing due to other causes, assault

  • T71.193A|

    Asphyxiation due to mechanical threat to breathing due to other causes, assault, initial encounter

  • T71.193D|

    Asphyxiation due to mechanical threat to breathing due to other causes, assault, subsequent encounter

  • T71.193S|

    Asphyxiation due to mechanical threat to breathing due to other causes, assault, sequela

  • T71.194|

    Asphyxiation due to mechanical threat to breathing due to other causes, undetermined

  • T71.194A|

    Asphyxiation due to mechanical threat to breathing due to other causes, undetermined, initial encounter

  • T71.194D|

    Asphyxiation due to mechanical threat to breathing due to other causes, undetermined, subsequent encounter

  • T71.194S|

    Asphyxiation due to mechanical threat to breathing due to other causes, undetermined, sequela

  • T71.2|

    Asphyxiation due to systemic oxygen deficiency due to low oxygen content in ambient air

  • T71.20|

    Asphyxiation due to systemic oxygen deficiency due to low oxygen content in ambient air due to unspecified cause

  • T71.20XA|

    Asphyxiation due to systemic oxygen deficiency due to low oxygen content in ambient air due to unspecified cause, initial encounter

  • T71.20XD|

    Asphyxiation due to systemic oxygen deficiency due to low oxygen content in ambient air due to unspecified cause, subsequent encounter

  • T71.20XS|

    Asphyxiation due to systemic oxygen deficiency due to low oxygen content in ambient air due to unspecified cause, sequela

  • T71.21|

    Asphyxiation due to cave-in or falling earth

  • T71.21XA|

    Asphyxiation due to cave-in or falling earth, initial encounter

  • T71.21XD|

    Asphyxiation due to cave-in or falling earth, subsequent encounter

  • T71.21XS|

    Asphyxiation due to cave-in or falling earth, sequela

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