All ICD10 Codes
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.-)
All CodesBillable Only
Internal Codes
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  • T50.995|

    Adverse effect of other drugs, medicaments and biological substances

  • T50.995A|

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

  • T50.995D|

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

  • T50.995S|

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

  • T50.996|

    Underdosing of other drugs, medicaments and biological substances

  • T50.996A|

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

  • T50.996D|

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

  • T50.996S|

    Underdosing of other drugs, medicaments and biological substances, sequela

  • T50.A|

    Poisoning by, adverse effect of and underdosing of bacterial vaccines

  • T50.A1|

    Poisoning by, adverse effect of and underdosing of pertussis vaccine, including combinations with a pertussis component

  • T50.A11|

    Poisoning by pertussis vaccine, including combinations with a pertussis component, accidental (unintentional)

  • T50.A11A|

    Poisoning by pertussis vaccine, including combinations with a pertussis component, accidental (unintentional), initial encounter

  • T50.A11D|

    Poisoning by pertussis vaccine, including combinations with a pertussis component, accidental (unintentional), subsequent encounter

  • T50.A11S|

    Poisoning by pertussis vaccine, including combinations with a pertussis component, accidental (unintentional), sequela

  • T50.A12|

    Poisoning by pertussis vaccine, including combinations with a pertussis component, intentional self-harm

  • T50.A12A|

    Poisoning by pertussis vaccine, including combinations with a pertussis component, intentional self-harm, initial encounter

  • T50.A12D|

    Poisoning by pertussis vaccine, including combinations with a pertussis component, intentional self-harm, subsequent encounter

  • T50.A12S|

    Poisoning by pertussis vaccine, including combinations with a pertussis component, intentional self-harm, sequela

  • T50.A13|

    Poisoning by pertussis vaccine, including combinations with a pertussis component, assault

  • T50.A13A|

    Poisoning by pertussis vaccine, including combinations with a pertussis component, assault, initial encounter

  • T50.A13D|

    Poisoning by pertussis vaccine, including combinations with a pertussis component, assault, subsequent encounter

  • T50.A13S|

    Poisoning by pertussis vaccine, including combinations with a pertussis component, assault, sequela

  • T50.A14|

    Poisoning by pertussis vaccine, including combinations with a pertussis component, undetermined

  • T50.A14A|

    Poisoning by pertussis vaccine, including combinations with a pertussis component, undetermined, initial encounter

  • T50.A14D|

    Poisoning by pertussis vaccine, including combinations with a pertussis component, undetermined, subsequent encounter

  • T50.A14S|

    Poisoning by pertussis vaccine, including combinations with a pertussis component, undetermined, sequela

  • T50.A15|

    Adverse effect of pertussis vaccine, including combinations with a pertussis component

  • T50.A15A|

    Adverse effect of pertussis vaccine, including combinations with a pertussis component, initial encounter

  • T50.A15D|

    Adverse effect of pertussis vaccine, including combinations with a pertussis component, subsequent encounter

  • T50.A15S|

    Adverse effect of pertussis vaccine, including combinations with a pertussis component, sequela

  • T50.A16|

    Underdosing of pertussis vaccine, including combinations with a pertussis component

  • T50.A16A|

    Underdosing of pertussis vaccine, including combinations with a pertussis component, initial encounter

  • T50.A16D|

    Underdosing of pertussis vaccine, including combinations with a pertussis component, subsequent encounter

  • T50.A16S|

    Underdosing of pertussis vaccine, including combinations with a pertussis component, sequela

  • T50.A2|

    Poisoning by, adverse effect of and underdosing of mixed bacterial vaccines without a pertussis component

  • T50.A21|

    Poisoning by mixed bacterial vaccines without a pertussis component, accidental (unintentional)

  • T50.A21A|

    Poisoning by mixed bacterial vaccines without a pertussis component, accidental (unintentional), initial encounter

  • T50.A21D|

    Poisoning by mixed bacterial vaccines without a pertussis component, accidental (unintentional), subsequent encounter

  • T50.A21S|

    Poisoning by mixed bacterial vaccines without a pertussis component, accidental (unintentional), sequela

  • T50.A22|

    Poisoning by mixed bacterial vaccines without a pertussis component, intentional self-harm

  • T50.A22A|

    Poisoning by mixed bacterial vaccines without a pertussis component, intentional self-harm, initial encounter

  • T50.A22D|

    Poisoning by mixed bacterial vaccines without a pertussis component, intentional self-harm, subsequent encounter

  • T50.A22S|

    Poisoning by mixed bacterial vaccines without a pertussis component, intentional self-harm, sequela

  • T50.A23|

    Poisoning by mixed bacterial vaccines without a pertussis component, assault

  • T50.A23A|

    Poisoning by mixed bacterial vaccines without a pertussis component, assault, initial encounter

  • T50.A23D|

    Poisoning by mixed bacterial vaccines without a pertussis component, assault, subsequent encounter

  • T50.A23S|

    Poisoning by mixed bacterial vaccines without a pertussis component, assault, sequela

  • T50.A24|

    Poisoning by mixed bacterial vaccines without a pertussis component, undetermined

  • T50.A24A|

    Poisoning by mixed bacterial vaccines without a pertussis component, undetermined, initial encounter

  • T50.A24D|

    Poisoning by mixed bacterial vaccines without a pertussis component, undetermined, subsequent encounter

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