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
  • T40.691|

    Poisoning by other narcotics, accidental (unintentional)

  • T40.691A|

    Poisoning by other narcotics, accidental (unintentional), initial encounter

  • T40.691D|

    Poisoning by other narcotics, accidental (unintentional), subsequent encounter

  • T40.691S|

    Poisoning by other narcotics, accidental (unintentional), sequela

  • T40.692|

    Poisoning by other narcotics, intentional self-harm

  • T40.692A|

    Poisoning by other narcotics, intentional self-harm, initial encounter

  • T40.692D|

    Poisoning by other narcotics, intentional self-harm, subsequent encounter

  • T40.692S|

    Poisoning by other narcotics, intentional self-harm, sequela

  • T40.693|

    Poisoning by other narcotics, assault

  • T40.693A|

    Poisoning by other narcotics, assault, initial encounter

  • T40.693D|

    Poisoning by other narcotics, assault, subsequent encounter

  • T40.693S|

    Poisoning by other narcotics, assault, sequela

  • T40.694|

    Poisoning by other narcotics, undetermined

  • T40.694A|

    Poisoning by other narcotics, undetermined, initial encounter

  • T40.694D|

    Poisoning by other narcotics, undetermined, subsequent encounter

  • T40.694S|

    Poisoning by other narcotics, undetermined, sequela

  • T40.695|

    Adverse effect of other narcotics

  • T40.695A|

    Adverse effect of other narcotics, initial encounter

  • T40.695D|

    Adverse effect of other narcotics, subsequent encounter

  • T40.695S|

    Adverse effect of other narcotics, sequela

  • T40.696|

    Underdosing of other narcotics

  • T40.696A|

    Underdosing of other narcotics, initial encounter

  • T40.696D|

    Underdosing of other narcotics, subsequent encounter

  • T40.696S|

    Underdosing of other narcotics, sequela

  • T40.7|

    Poisoning by, adverse effect of and underdosing of cannabis (derivatives)

  • T40.71|

    Poisoning by, adverse effect of and underdosing of cannabis (derivatives)

  • T40.711|

    Poisoning by cannabis, accidental (unintentional)

  • T40.711A|

    Poisoning by cannabis, accidental (unintentional), initial encounter

  • T40.711D|

    Poisoning by cannabis, accidental (unintentional), subsequent encounter

  • T40.711S|

    Poisoning by cannabis, accidental (unintentional), sequela

  • T40.712|

    Poisoning by cannabis, intentional self-harm

  • T40.712A|

    Poisoning by cannabis, intentional self-harm, initial encounter

  • T40.712D|

    Poisoning by cannabis, intentional self-harm, subsequent encounter

  • T40.712S|

    Poisoning by cannabis, intentional self-harm, sequela

  • T40.713|

    Poisoning by cannabis, assault

  • T40.713A|

    Poisoning by cannabis, assault, initial encounter

  • T40.713D|

    Poisoning by cannabis, assault, subsequent encounter

  • T40.713S|

    Poisoning by cannabis, assault, sequela

  • T40.714|

    Poisoning by cannabis, undetermined

  • T40.714A|

    Poisoning by cannabis, undetermined, initial encounter

  • T40.714D|

    Poisoning by cannabis, undetermined, subsequent encounter

  • T40.714S|

    Poisoning by cannabis, undetermined, sequela

  • T40.715|

    Adverse effect of cannabis

  • T40.715A|

    Adverse effect of cannabis, initial encounter

  • T40.715D|

    Adverse effect of cannabis, subsequent encounter

  • T40.715S|

    Adverse effect of cannabis, sequela

  • T40.716|

    Underdosing of cannabis

  • T40.716A|

    Underdosing of cannabis, initial encounter

  • T40.716D|

    Underdosing of cannabis, subsequent encounter

  • T40.716S|

    Underdosing of cannabis, sequela

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