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
  • T41.5X|

    Poisoning by, adverse effect of and underdosing of therapeutic gases

  • T41.5X1|

    Poisoning by therapeutic gases, accidental (unintentional)

  • T41.5X1A|

    Poisoning by therapeutic gases, accidental (unintentional), initial encounter

  • T41.5X1D|

    Poisoning by therapeutic gases, accidental (unintentional), subsequent encounter

  • T41.5X1S|

    Poisoning by therapeutic gases, accidental (unintentional), sequela

  • T41.5X2|

    Poisoning by therapeutic gases, intentional self-harm

  • T41.5X2A|

    Poisoning by therapeutic gases, intentional self-harm, initial encounter

  • T41.5X2D|

    Poisoning by therapeutic gases, intentional self-harm, subsequent encounter

  • T41.5X2S|

    Poisoning by therapeutic gases, intentional self-harm, sequela

  • T41.5X3|

    Poisoning by therapeutic gases, assault

  • T41.5X3A|

    Poisoning by therapeutic gases, assault, initial encounter

  • T41.5X3D|

    Poisoning by therapeutic gases, assault, subsequent encounter

  • T41.5X3S|

    Poisoning by therapeutic gases, assault, sequela

  • T41.5X4|

    Poisoning by therapeutic gases, undetermined

  • T41.5X4A|

    Poisoning by therapeutic gases, undetermined, initial encounter

  • T41.5X4D|

    Poisoning by therapeutic gases, undetermined, subsequent encounter

  • T41.5X4S|

    Poisoning by therapeutic gases, undetermined, sequela

  • T41.5X5|

    Adverse effect of therapeutic gases

  • T41.5X5A|

    Adverse effect of therapeutic gases, initial encounter

  • T41.5X5D|

    Adverse effect of therapeutic gases, subsequent encounter

  • T41.5X5S|

    Adverse effect of therapeutic gases, sequela

  • T41.5X6|

    Underdosing of therapeutic gases

  • T41.5X6A|

    Underdosing of therapeutic gases, initial encounter

  • T41.5X6D|

    Underdosing of therapeutic gases, subsequent encounter

  • T41.5X6S|

    Underdosing of therapeutic gases, sequela

  • T42|

    Poisoning by, adverse effect of and underdosing of antiepileptic, sedative- hypnotic and antiparkinsonism drugs

  • T42.0|

    Poisoning by, adverse effect of and underdosing of hydantoin derivatives

  • T42.0X|

    Poisoning by, adverse effect of and underdosing of hydantoin derivatives

  • T42.0X1|

    Poisoning by hydantoin derivatives, accidental (unintentional)

  • T42.0X1A|

    Poisoning by hydantoin derivatives, accidental (unintentional), initial encounter

  • T42.0X1D|

    Poisoning by hydantoin derivatives, accidental (unintentional), subsequent encounter

  • T42.0X1S|

    Poisoning by hydantoin derivatives, accidental (unintentional), sequela

  • T42.0X2|

    Poisoning by hydantoin derivatives, intentional self-harm

  • T42.0X2A|

    Poisoning by hydantoin derivatives, intentional self-harm, initial encounter

  • T42.0X2D|

    Poisoning by hydantoin derivatives, intentional self-harm, subsequent encounter

  • T42.0X2S|

    Poisoning by hydantoin derivatives, intentional self-harm, sequela

  • T42.0X3|

    Poisoning by hydantoin derivatives, assault

  • T42.0X3A|

    Poisoning by hydantoin derivatives, assault, initial encounter

  • T42.0X3D|

    Poisoning by hydantoin derivatives, assault, subsequent encounter

  • T42.0X3S|

    Poisoning by hydantoin derivatives, assault, sequela

  • T42.0X4|

    Poisoning by hydantoin derivatives, undetermined

  • T42.0X4A|

    Poisoning by hydantoin derivatives, undetermined, initial encounter

  • T42.0X4D|

    Poisoning by hydantoin derivatives, undetermined, subsequent encounter

  • T42.0X4S|

    Poisoning by hydantoin derivatives, undetermined, sequela

  • T42.0X5|

    Adverse effect of hydantoin derivatives

  • T42.0X5A|

    Adverse effect of hydantoin derivatives, initial encounter

  • T42.0X5D|

    Adverse effect of hydantoin derivatives, subsequent encounter

  • T42.0X5S|

    Adverse effect of hydantoin derivatives, sequela

  • T42.0X6|

    Underdosing of hydantoin derivatives

  • T42.0X6A|

    Underdosing of hydantoin derivatives, initial encounter

PreviousPage 916 of 1086Next