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
  • T50.905|

    Adverse effect of unspecified drugs, medicaments and biological substances

  • T50.905A|

    Adverse effect of unspecified drugs, medicaments and biological substances, initial encounter

  • T50.905D|

    Adverse effect of unspecified drugs, medicaments and biological substances, subsequent encounter

  • T50.905S|

    Adverse effect of unspecified drugs, medicaments and biological substances, sequela

  • T50.906|

    Underdosing of unspecified drugs, medicaments and biological substances

  • T50.906A|

    Underdosing of unspecified drugs, medicaments and biological substances, initial encounter

  • T50.906D|

    Underdosing of unspecified drugs, medicaments and biological substances, subsequent encounter

  • T50.906S|

    Underdosing of unspecified drugs, medicaments and biological substances, sequela

  • T50.91|

    Poisoning by, adverse effect of and underdosing of multiple unspecified drugs, medicaments and biological substances

  • T50.911|

    Poisoning by multiple unspecified drugs, medicaments and biological substances, accidental (unintentional)

  • T50.911A|

    Poisoning by multiple unspecified drugs, medicaments and biological substances, accidental (unintentional), initial encounter

  • T50.911D|

    Poisoning by multiple unspecified drugs, medicaments and biological substances, accidental (unintentional), subsequent encounter

  • T50.911S|

    Poisoning by multiple unspecified drugs, medicaments and biological substances, accidental (unintentional), sequela

  • T50.912|

    Poisoning by multiple unspecified drugs, medicaments and biological substances, intentional self-harm

  • T50.912A|

    Poisoning by multiple unspecified drugs, medicaments and biological substances, intentional self-harm, initial encounter

  • T50.912D|

    Poisoning by multiple unspecified drugs, medicaments and biological substances, intentional self-harm, subsequent encounter

  • T50.912S|

    Poisoning by multiple unspecified drugs, medicaments and biological substances, intentional self-harm, sequela

  • T50.913|

    Poisoning by multiple unspecified drugs, medicaments and biological substances, assault

  • T50.913A|

    Poisoning by multiple unspecified drugs, medicaments and biological substances, assault, initial encounter

  • T50.913D|

    Poisoning by multiple unspecified drugs, medicaments and biological substances, assault, subsequent encounter

  • T50.913S|

    Poisoning by multiple unspecified drugs, medicaments and biological substances, assault, sequela

  • T50.914|

    Poisoning by multiple unspecified drugs, medicaments and biological substances, undetermined

  • T50.914A|

    Poisoning by multiple unspecified drugs, medicaments and biological substances, undetermined, initial encounter

  • T50.914D|

    Poisoning by multiple unspecified drugs, medicaments and biological substances, undetermined, subsequent encounter

  • T50.914S|

    Poisoning by multiple unspecified drugs, medicaments and biological substances, undetermined, sequela

  • T50.915|

    Adverse effect of multiple unspecified drugs, medicaments and biological substances

  • T50.915A|

    Adverse effect of multiple unspecified drugs, medicaments and biological substances, initial encounter

  • T50.915D|

    Adverse effect of multiple unspecified drugs, medicaments and biological substances, subsequent encounter

  • T50.915S|

    Adverse effect of multiple unspecified drugs, medicaments and biological substances, sequela

  • T50.916|

    Underdosing of multiple unspecified drugs, medicaments and biological substances

  • T50.916A|

    Underdosing of multiple unspecified drugs, medicaments and biological substances, initial encounter

  • T50.916D|

    Underdosing of multiple unspecified drugs, medicaments and biological substances, subsequent encounter

  • T50.916S|

    Underdosing of multiple unspecified drugs, medicaments and biological substances, sequela

  • T50.99|

    Poisoning by, adverse effect of and underdosing of other drugs, medicaments and biological substances

  • T50.991|

    Poisoning by other drugs, medicaments and biological substances, accidental (unintentional)

  • T50.991A|

    Poisoning by other drugs, medicaments and biological substances, accidental (unintentional), initial encounter

  • T50.991D|

    Poisoning by other drugs, medicaments and biological substances, accidental (unintentional), subsequent encounter

  • T50.991S|

    Poisoning by other drugs, medicaments and biological substances, accidental (unintentional), sequela

  • T50.992|

    Poisoning by other drugs, medicaments and biological substances, intentional self-harm

  • T50.992A|

    Poisoning by other drugs, medicaments and biological substances, intentional self-harm, initial encounter

  • T50.992D|

    Poisoning by other drugs, medicaments and biological substances, intentional self-harm, subsequent encounter

  • T50.992S|

    Poisoning by other drugs, medicaments and biological substances, intentional self-harm, sequela

  • T50.993|

    Poisoning by other drugs, medicaments and biological substances, assault

  • T50.993A|

    Poisoning by other drugs, medicaments and biological substances, assault, initial encounter

  • T50.993D|

    Poisoning by other drugs, medicaments and biological substances, assault, subsequent encounter

  • T50.993S|

    Poisoning by other drugs, medicaments and biological substances, assault, sequela

  • T50.994|

    Poisoning by other drugs, medicaments and biological substances, undetermined

  • T50.994A|

    Poisoning by other drugs, medicaments and biological substances, undetermined, initial encounter

  • T50.994D|

    Poisoning by other drugs, medicaments and biological substances, undetermined, subsequent encounter

  • T50.994S|

    Poisoning by other drugs, medicaments and biological substances, undetermined, sequela

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