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
  • T40.421D|

    Poisoning by tramadol, accidental (unintentional), subsequent encounter

  • T40.421S|

    Poisoning by tramadol, accidental (unintentional), sequela

  • T40.422|

    Poisoning by tramadol, intentional self-harm

  • T40.422A|

    Poisoning by tramadol, intentional self-harm, initial encounter

  • T40.422D|

    Poisoning by tramadol, intentional self-harm, subsequent encounter

  • T40.422S|

    Poisoning by tramadol, intentional self-harm, sequela

  • T40.423|

    Poisoning by tramadol, assault

  • T40.423A|

    Poisoning by tramadol, assault, initial encounter

  • T40.423D|

    Poisoning by tramadol, assault, subsequent encounter

  • T40.423S|

    Poisoning by tramadol, assault, sequela

  • T40.424|

    Poisoning by tramadol, undetermined

  • T40.424A|

    Poisoning by tramadol, undetermined, initial encounter

  • T40.424D|

    Poisoning by tramadol, undetermined, subsequent encounter

  • T40.424S|

    Poisoning by tramadol, undetermined, sequela

  • T40.425|

    Adverse effect of tramadol

  • T40.425A|

    Adverse effect of tramadol, initial encounter

  • T40.425D|

    Adverse effect of tramadol, subsequent encounter

  • T40.425S|

    Adverse effect of tramadol, sequela

  • T40.426|

    Underdosing of tramadol

  • T40.426A|

    Underdosing of tramadol, initial encounter

  • T40.426D|

    Underdosing of tramadol, subsequent encounter

  • T40.426S|

    Underdosing of tramadol, sequela

  • T40.49|

    Poisoning by, adverse effect of and underdosing of other synthetic narcotics

  • T40.491|

    Poisoning by other synthetic narcotics, accidental (unintentional)

  • T40.491A|

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

  • T40.491D|

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

  • T40.491S|

    Poisoning by other synthetic narcotics, accidental (unintentional), sequela

  • T40.492|

    Poisoning by other synthetic narcotics, intentional self-harm

  • T40.492A|

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

  • T40.492D|

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

  • T40.492S|

    Poisoning by other synthetic narcotics, intentional self-harm, sequela

  • T40.493|

    Poisoning by other synthetic narcotics, assault

  • T40.493A|

    Poisoning by other synthetic narcotics, assault, initial encounter

  • T40.493D|

    Poisoning by other synthetic narcotics, assault, subsequent encounter

  • T40.493S|

    Poisoning by other synthetic narcotics, assault, sequela

  • T40.494|

    Poisoning by other synthetic narcotics, undetermined

  • T40.494A|

    Poisoning by other synthetic narcotics, undetermined, initial encounter

  • T40.494D|

    Poisoning by other synthetic narcotics, undetermined, subsequent encounter

  • T40.494S|

    Poisoning by other synthetic narcotics, undetermined, sequela

  • T40.495|

    Adverse effect of other synthetic narcotics

  • T40.495A|

    Adverse effect of other synthetic narcotics, initial encounter

  • T40.495D|

    Adverse effect of other synthetic narcotics, subsequent encounter

  • T40.495S|

    Adverse effect of other synthetic narcotics, sequela

  • T40.496|

    Underdosing of other synthetic narcotics

  • T40.496A|

    Underdosing of other synthetic narcotics, initial encounter

  • T40.496D|

    Underdosing of other synthetic narcotics, subsequent encounter

  • T40.496S|

    Underdosing of other synthetic narcotics, sequela

  • T40.5|

    Poisoning by, adverse effect of and underdosing of cocaine

  • T40.5X|

    Poisoning by, adverse effect of and underdosing of cocaine

  • T40.5X1|

    Poisoning by cocaine, accidental (unintentional)

PreviousPage 908 of 1086Next