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
  • T43.694S|

    Poisoning by other psychostimulants, undetermined, sequela

  • T43.695|

    Adverse effect of other psychostimulants

  • T43.695A|

    Adverse effect of other psychostimulants, initial encounter

  • T43.695D|

    Adverse effect of other psychostimulants, subsequent encounter

  • T43.695S|

    Adverse effect of other psychostimulants, sequela

  • T43.696|

    Underdosing of other psychostimulants

  • T43.696A|

    Underdosing of other psychostimulants, initial encounter

  • T43.696D|

    Underdosing of other psychostimulants, subsequent encounter

  • T43.696S|

    Underdosing of other psychostimulants, sequela

  • T43.8|

    Poisoning by, adverse effect of and underdosing of other psychotropic drugs

  • T43.8X|

    Poisoning by, adverse effect of and underdosing of other psychotropic drugs

  • T43.8X1|

    Poisoning by other psychotropic drugs, accidental (unintentional)

  • T43.8X1A|

    Poisoning by other psychotropic drugs, accidental (unintentional), initial encounter

  • T43.8X1D|

    Poisoning by other psychotropic drugs, accidental (unintentional), subsequent encounter

  • T43.8X1S|

    Poisoning by other psychotropic drugs, accidental (unintentional), sequela

  • T43.8X2|

    Poisoning by other psychotropic drugs, intentional self-harm

  • T43.8X2A|

    Poisoning by other psychotropic drugs, intentional self-harm, initial encounter

  • T43.8X2D|

    Poisoning by other psychotropic drugs, intentional self-harm, subsequent encounter

  • T43.8X2S|

    Poisoning by other psychotropic drugs, intentional self-harm, sequela

  • T43.8X3|

    Poisoning by other psychotropic drugs, assault

  • T43.8X3A|

    Poisoning by other psychotropic drugs, assault, initial encounter

  • T43.8X3D|

    Poisoning by other psychotropic drugs, assault, subsequent encounter

  • T43.8X3S|

    Poisoning by other psychotropic drugs, assault, sequela

  • T43.8X4|

    Poisoning by other psychotropic drugs, undetermined

  • T43.8X4A|

    Poisoning by other psychotropic drugs, undetermined, initial encounter

  • T43.8X4D|

    Poisoning by other psychotropic drugs, undetermined, subsequent encounter

  • T43.8X4S|

    Poisoning by other psychotropic drugs, undetermined, sequela

  • T43.8X5|

    Adverse effect of other psychotropic drugs

  • T43.8X5A|

    Adverse effect of other psychotropic drugs, initial encounter

  • T43.8X5D|

    Adverse effect of other psychotropic drugs, subsequent encounter

  • T43.8X5S|

    Adverse effect of other psychotropic drugs, sequela

  • T43.8X6|

    Underdosing of other psychotropic drugs

  • T43.8X6A|

    Underdosing of other psychotropic drugs, initial encounter

  • T43.8X6D|

    Underdosing of other psychotropic drugs, subsequent encounter

  • T43.8X6S|

    Underdosing of other psychotropic drugs, sequela

  • T43.9|

    Poisoning by, adverse effect of and underdosing of unspecified psychotropic drug

  • T43.91|

    Poisoning by unspecified psychotropic drug, accidental (unintentional)

  • T43.91XA|

    Poisoning by unspecified psychotropic drug, accidental (unintentional), initial encounter

  • T43.91XD|

    Poisoning by unspecified psychotropic drug, accidental (unintentional), subsequent encounter

  • T43.91XS|

    Poisoning by unspecified psychotropic drug, accidental (unintentional), sequela

  • T43.92|

    Poisoning by unspecified psychotropic drug, intentional self-harm

  • T43.92XA|

    Poisoning by unspecified psychotropic drug, intentional self-harm, initial encounter

  • T43.92XD|

    Poisoning by unspecified psychotropic drug, intentional self-harm, subsequent encounter

  • T43.92XS|

    Poisoning by unspecified psychotropic drug, intentional self-harm, sequela

  • T43.93|

    Poisoning by unspecified psychotropic drug, assault

  • T43.93XA|

    Poisoning by unspecified psychotropic drug, assault, initial encounter

  • T43.93XD|

    Poisoning by unspecified psychotropic drug, assault, subsequent encounter

  • T43.93XS|

    Poisoning by unspecified psychotropic drug, assault, sequela

  • T43.94|

    Poisoning by unspecified psychotropic drug, undetermined

  • T43.94XA|

    Poisoning by unspecified psychotropic drug, undetermined, initial encounter

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