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
  • T43.503|

    Poisoning by unspecified antipsychotics and neuroleptics, assault

  • T43.503A|

    Poisoning by unspecified antipsychotics and neuroleptics, assault, initial encounter

  • T43.503D|

    Poisoning by unspecified antipsychotics and neuroleptics, assault, subsequent encounter

  • T43.503S|

    Poisoning by unspecified antipsychotics and neuroleptics, assault, sequela

  • T43.504|

    Poisoning by unspecified antipsychotics and neuroleptics, undetermined

  • T43.504A|

    Poisoning by unspecified antipsychotics and neuroleptics, undetermined, initial encounter

  • T43.504D|

    Poisoning by unspecified antipsychotics and neuroleptics, undetermined, subsequent encounter

  • T43.504S|

    Poisoning by unspecified antipsychotics and neuroleptics, undetermined, sequela

  • T43.505|

    Adverse effect of unspecified antipsychotics and neuroleptics

  • T43.505A|

    Adverse effect of unspecified antipsychotics and neuroleptics, initial encounter

  • T43.505D|

    Adverse effect of unspecified antipsychotics and neuroleptics, subsequent encounter

  • T43.505S|

    Adverse effect of unspecified antipsychotics and neuroleptics, sequela

  • T43.506|

    Underdosing of unspecified antipsychotics and neuroleptics

  • T43.506A|

    Underdosing of unspecified antipsychotics and neuroleptics, initial encounter

  • T43.506D|

    Underdosing of unspecified antipsychotics and neuroleptics, subsequent encounter

  • T43.506S|

    Underdosing of unspecified antipsychotics and neuroleptics, sequela

  • T43.59|

    Poisoning by, adverse effect of and underdosing of other antipsychotics and neuroleptics

  • T43.591|

    Poisoning by other antipsychotics and neuroleptics, accidental (unintentional)

  • T43.591A|

    Poisoning by other antipsychotics and neuroleptics, accidental (unintentional), initial encounter

  • T43.591D|

    Poisoning by other antipsychotics and neuroleptics, accidental (unintentional), subsequent encounter

  • T43.591S|

    Poisoning by other antipsychotics and neuroleptics, accidental (unintentional), sequela

  • T43.592|

    Poisoning by other antipsychotics and neuroleptics, intentional self-harm

  • T43.592A|

    Poisoning by other antipsychotics and neuroleptics, intentional self-harm, initial encounter

  • T43.592D|

    Poisoning by other antipsychotics and neuroleptics, intentional self-harm, subsequent encounter

  • T43.592S|

    Poisoning by other antipsychotics and neuroleptics, intentional self-harm, sequela

  • T43.593|

    Poisoning by other antipsychotics and neuroleptics, assault

  • T43.593A|

    Poisoning by other antipsychotics and neuroleptics, assault, initial encounter

  • T43.593D|

    Poisoning by other antipsychotics and neuroleptics, assault, subsequent encounter

  • T43.593S|

    Poisoning by other antipsychotics and neuroleptics, assault, sequela

  • T43.594|

    Poisoning by other antipsychotics and neuroleptics, undetermined

  • T43.594A|

    Poisoning by other antipsychotics and neuroleptics, undetermined, initial encounter

  • T43.594D|

    Poisoning by other antipsychotics and neuroleptics, undetermined, subsequent encounter

  • T43.594S|

    Poisoning by other antipsychotics and neuroleptics, undetermined, sequela

  • T43.595|

    Adverse effect of other antipsychotics and neuroleptics

  • T43.595A|

    Adverse effect of other antipsychotics and neuroleptics, initial encounter

  • T43.595D|

    Adverse effect of other antipsychotics and neuroleptics, subsequent encounter

  • T43.595S|

    Adverse effect of other antipsychotics and neuroleptics, sequela

  • T43.596|

    Underdosing of other antipsychotics and neuroleptics

  • T43.596A|

    Underdosing of other antipsychotics and neuroleptics, initial encounter

  • T43.596D|

    Underdosing of other antipsychotics and neuroleptics, subsequent encounter

  • T43.596S|

    Underdosing of other antipsychotics and neuroleptics, sequela

  • T43.6|

    Poisoning by, adverse effect of and underdosing of psychostimulants

  • T43.60|

    Poisoning by, adverse effect of and underdosing of unspecified psychostimulant

  • T43.601|

    Poisoning by unspecified psychostimulants, accidental (unintentional)

  • T43.601A|

    Poisoning by unspecified psychostimulants, accidental (unintentional), initial encounter

  • T43.601D|

    Poisoning by unspecified psychostimulants, accidental (unintentional), subsequent encounter

  • T43.601S|

    Poisoning by unspecified psychostimulants, accidental (unintentional), sequela

  • T43.602|

    Poisoning by unspecified psychostimulants, intentional self-harm

  • T43.602A|

    Poisoning by unspecified psychostimulants, intentional self-harm, initial encounter

  • T43.602D|

    Poisoning by unspecified psychostimulants, intentional self-harm, subsequent encounter

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