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
  • T45.0X1A|

    Poisoning by antiallergic and antiemetic drugs, accidental (unintentional), initial encounter

  • T45.0X1D|

    Poisoning by antiallergic and antiemetic drugs, accidental (unintentional), subsequent encounter

  • T45.0X1S|

    Poisoning by antiallergic and antiemetic drugs, accidental (unintentional), sequela

  • T45.0X2|

    Poisoning by antiallergic and antiemetic drugs, intentional self-harm

  • T45.0X2A|

    Poisoning by antiallergic and antiemetic drugs, intentional self-harm, initial encounter

  • T45.0X2D|

    Poisoning by antiallergic and antiemetic drugs, intentional self-harm, subsequent encounter

  • T45.0X2S|

    Poisoning by antiallergic and antiemetic drugs, intentional self-harm, sequela

  • T45.0X3|

    Poisoning by antiallergic and antiemetic drugs, assault

  • T45.0X3A|

    Poisoning by antiallergic and antiemetic drugs, assault, initial encounter

  • T45.0X3D|

    Poisoning by antiallergic and antiemetic drugs, assault, subsequent encounter

  • T45.0X3S|

    Poisoning by antiallergic and antiemetic drugs, assault, sequela

  • T45.0X4|

    Poisoning by antiallergic and antiemetic drugs, undetermined

  • T45.0X4A|

    Poisoning by antiallergic and antiemetic drugs, undetermined, initial encounter

  • T45.0X4D|

    Poisoning by antiallergic and antiemetic drugs, undetermined, subsequent encounter

  • T45.0X4S|

    Poisoning by antiallergic and antiemetic drugs, undetermined, sequela

  • T45.0X5|

    Adverse effect of antiallergic and antiemetic drugs

  • T45.0X5A|

    Adverse effect of antiallergic and antiemetic drugs, initial encounter

  • T45.0X5D|

    Adverse effect of antiallergic and antiemetic drugs, subsequent encounter

  • T45.0X5S|

    Adverse effect of antiallergic and antiemetic drugs, sequela

  • T45.0X6|

    Underdosing of antiallergic and antiemetic drugs

  • T45.0X6A|

    Underdosing of antiallergic and antiemetic drugs, initial encounter

  • T45.0X6D|

    Underdosing of antiallergic and antiemetic drugs, subsequent encounter

  • T45.0X6S|

    Underdosing of antiallergic and antiemetic drugs, sequela

  • T45.1|

    Poisoning by, adverse effect of and underdosing of antineoplastic and immunosuppressive drugs

  • T45.1X|

    Poisoning by, adverse effect of and underdosing of antineoplastic and immunosuppressive drugs

  • T45.1X1|

    Poisoning by antineoplastic and immunosuppressive drugs, accidental (unintentional)

  • T45.1X1A|

    Poisoning by antineoplastic and immunosuppressive drugs, accidental (unintentional), initial encounter

  • T45.1X1D|

    Poisoning by antineoplastic and immunosuppressive drugs, accidental (unintentional), subsequent encounter

  • T45.1X1S|

    Poisoning by antineoplastic and immunosuppressive drugs, accidental (unintentional), sequela

  • T45.1X2|

    Poisoning by antineoplastic and immunosuppressive drugs, intentional self-harm

  • T45.1X2A|

    Poisoning by antineoplastic and immunosuppressive drugs, intentional self-harm, initial encounter

  • T45.1X2D|

    Poisoning by antineoplastic and immunosuppressive drugs, intentional self-harm, subsequent encounter

  • T45.1X2S|

    Poisoning by antineoplastic and immunosuppressive drugs, intentional self-harm, sequela

  • T45.1X3|

    Poisoning by antineoplastic and immunosuppressive drugs, assault

  • T45.1X3A|

    Poisoning by antineoplastic and immunosuppressive drugs, assault, initial encounter

  • T45.1X3D|

    Poisoning by antineoplastic and immunosuppressive drugs, assault, subsequent encounter

  • T45.1X3S|

    Poisoning by antineoplastic and immunosuppressive drugs, assault, sequela

  • T45.1X4|

    Poisoning by antineoplastic and immunosuppressive drugs, undetermined

  • T45.1X4A|

    Poisoning by antineoplastic and immunosuppressive drugs, undetermined, initial encounter

  • T45.1X4D|

    Poisoning by antineoplastic and immunosuppressive drugs, undetermined, subsequent encounter

  • T45.1X4S|

    Poisoning by antineoplastic and immunosuppressive drugs, undetermined, sequela

  • T45.1X5|

    Adverse effect of antineoplastic and immunosuppressive drugs

  • T45.1X5A|

    Adverse effect of antineoplastic and immunosuppressive drugs, initial encounter

  • T45.1X5D|

    Adverse effect of antineoplastic and immunosuppressive drugs, subsequent encounter

  • T45.1X5S|

    Adverse effect of antineoplastic and immunosuppressive drugs, sequela

  • T45.1X6|

    Underdosing of antineoplastic and immunosuppressive drugs

  • T45.1X6A|

    Underdosing of antineoplastic and immunosuppressive drugs, initial encounter

  • T45.1X6D|

    Underdosing of antineoplastic and immunosuppressive drugs, subsequent encounter

  • T45.1X6S|

    Underdosing of antineoplastic and immunosuppressive drugs, sequela

  • T45.2|

    Poisoning by, adverse effect of and underdosing of vitamins

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