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
  • T48.205A|

    Adverse effect of unspecified drugs acting on muscles, initial encounter

  • T48.205D|

    Adverse effect of unspecified drugs acting on muscles, subsequent encounter

  • T48.205S|

    Adverse effect of unspecified drugs acting on muscles, sequela

  • T48.206|

    Underdosing of unspecified drugs acting on muscles

  • T48.206A|

    Underdosing of unspecified drugs acting on muscles, initial encounter

  • T48.206D|

    Underdosing of unspecified drugs acting on muscles, subsequent encounter

  • T48.206S|

    Underdosing of unspecified drugs acting on muscles, sequela

  • T48.29|

    Poisoning by, adverse effect of and underdosing of other drugs acting on muscles

  • T48.291|

    Poisoning by other drugs acting on muscles, accidental (unintentional)

  • T48.291A|

    Poisoning by other drugs acting on muscles, accidental (unintentional), initial encounter

  • T48.291D|

    Poisoning by other drugs acting on muscles, accidental (unintentional), subsequent encounter

  • T48.291S|

    Poisoning by other drugs acting on muscles, accidental (unintentional), sequela

  • T48.292|

    Poisoning by other drugs acting on muscles, intentional self-harm

  • T48.292A|

    Poisoning by other drugs acting on muscles, intentional self-harm, initial encounter

  • T48.292D|

    Poisoning by other drugs acting on muscles, intentional self-harm, subsequent encounter

  • T48.292S|

    Poisoning by other drugs acting on muscles, intentional self-harm, sequela

  • T48.293|

    Poisoning by other drugs acting on muscles, assault

  • T48.293A|

    Poisoning by other drugs acting on muscles, assault, initial encounter

  • T48.293D|

    Poisoning by other drugs acting on muscles, assault, subsequent encounter

  • T48.293S|

    Poisoning by other drugs acting on muscles, assault, sequela

  • T48.294|

    Poisoning by other drugs acting on muscles, undetermined

  • T48.294A|

    Poisoning by other drugs acting on muscles, undetermined, initial encounter

  • T48.294D|

    Poisoning by other drugs acting on muscles, undetermined, subsequent encounter

  • T48.294S|

    Poisoning by other drugs acting on muscles, undetermined, sequela

  • T48.295|

    Adverse effect of other drugs acting on muscles

  • T48.295A|

    Adverse effect of other drugs acting on muscles, initial encounter

  • T48.295D|

    Adverse effect of other drugs acting on muscles, subsequent encounter

  • T48.295S|

    Adverse effect of other drugs acting on muscles, sequela

  • T48.296|

    Underdosing of other drugs acting on muscles

  • T48.296A|

    Underdosing of other drugs acting on muscles, initial encounter

  • T48.296D|

    Underdosing of other drugs acting on muscles, subsequent encounter

  • T48.296S|

    Underdosing of other drugs acting on muscles, sequela

  • T48.3|

    Poisoning by, adverse effect of and underdosing of antitussives

  • T48.3X|

    Poisoning by, adverse effect of and underdosing of antitussives

  • T48.3X1|

    Poisoning by antitussives, accidental (unintentional)

  • T48.3X1A|

    Poisoning by antitussives, accidental (unintentional), initial encounter

  • T48.3X1D|

    Poisoning by antitussives, accidental (unintentional), subsequent encounter

  • T48.3X1S|

    Poisoning by antitussives, accidental (unintentional), sequela

  • T48.3X2|

    Poisoning by antitussives, intentional self-harm

  • T48.3X2A|

    Poisoning by antitussives, intentional self-harm, initial encounter

  • T48.3X2D|

    Poisoning by antitussives, intentional self-harm, subsequent encounter

  • T48.3X2S|

    Poisoning by antitussives, intentional self-harm, sequela

  • T48.3X3|

    Poisoning by antitussives, assault

  • T48.3X3A|

    Poisoning by antitussives, assault, initial encounter

  • T48.3X3D|

    Poisoning by antitussives, assault, subsequent encounter

  • T48.3X3S|

    Poisoning by antitussives, assault, sequela

  • T48.3X4|

    Poisoning by antitussives, undetermined

  • T48.3X4A|

    Poisoning by antitussives, undetermined, initial encounter

  • T48.3X4D|

    Poisoning by antitussives, undetermined, subsequent encounter

  • T48.3X4S|

    Poisoning by antitussives, undetermined, sequela

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