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
  • T43.3X3D|

    Poisoning by phenothiazine antipsychotics and neuroleptics, assault, subsequent encounter

  • T43.3X3S|

    Poisoning by phenothiazine antipsychotics and neuroleptics, assault, sequela

  • T43.3X4|

    Poisoning by phenothiazine antipsychotics and neuroleptics, undetermined

  • T43.3X4A|

    Poisoning by phenothiazine antipsychotics and neuroleptics, undetermined, initial encounter

  • T43.3X4D|

    Poisoning by phenothiazine antipsychotics and neuroleptics, undetermined, subsequent encounter

  • T43.3X4S|

    Poisoning by phenothiazine antipsychotics and neuroleptics, undetermined, sequela

  • T43.3X5|

    Adverse effect of phenothiazine antipsychotics and neuroleptics

  • T43.3X5A|

    Adverse effect of phenothiazine antipsychotics and neuroleptics, initial encounter

  • T43.3X5D|

    Adverse effect of phenothiazine antipsychotics and neuroleptics, subsequent encounter

  • T43.3X5S|

    Adverse effect of phenothiazine antipsychotics and neuroleptics, sequela

  • T43.3X6|

    Underdosing of phenothiazine antipsychotics and neuroleptics

  • T43.3X6A|

    Underdosing of phenothiazine antipsychotics and neuroleptics, initial encounter

  • T43.3X6D|

    Underdosing of phenothiazine antipsychotics and neuroleptics, subsequent encounter

  • T43.3X6S|

    Underdosing of phenothiazine antipsychotics and neuroleptics, sequela

  • T43.4|

    Poisoning by, adverse effect of and underdosing of butyrophenone and thiothixene neuroleptics

  • T43.4X|

    Poisoning by, adverse effect of and underdosing of butyrophenone and thiothixene neuroleptics

  • T43.4X1|

    Poisoning by butyrophenone and thiothixene neuroleptics, accidental (unintentional)

  • T43.4X1A|

    Poisoning by butyrophenone and thiothixene neuroleptics, accidental (unintentional), initial encounter

  • T43.4X1D|

    Poisoning by butyrophenone and thiothixene neuroleptics, accidental (unintentional), subsequent encounter

  • T43.4X1S|

    Poisoning by butyrophenone and thiothixene neuroleptics, accidental (unintentional), sequela

  • T43.4X2|

    Poisoning by butyrophenone and thiothixene neuroleptics, intentional self-harm

  • T43.4X2A|

    Poisoning by butyrophenone and thiothixene neuroleptics, intentional self-harm, initial encounter

  • T43.4X2D|

    Poisoning by butyrophenone and thiothixene neuroleptics, intentional self-harm, subsequent encounter

  • T43.4X2S|

    Poisoning by butyrophenone and thiothixene neuroleptics, intentional self-harm, sequela

  • T43.4X3|

    Poisoning by butyrophenone and thiothixene neuroleptics, assault

  • T43.4X3A|

    Poisoning by butyrophenone and thiothixene neuroleptics, assault, initial encounter

  • T43.4X3D|

    Poisoning by butyrophenone and thiothixene neuroleptics, assault, subsequent encounter

  • T43.4X3S|

    Poisoning by butyrophenone and thiothixene neuroleptics, assault, sequela

  • T43.4X4|

    Poisoning by butyrophenone and thiothixene neuroleptics, undetermined

  • T43.4X4A|

    Poisoning by butyrophenone and thiothixene neuroleptics, undetermined, initial encounter

  • T43.4X4D|

    Poisoning by butyrophenone and thiothixene neuroleptics, undetermined, subsequent encounter

  • T43.4X4S|

    Poisoning by butyrophenone and thiothixene neuroleptics, undetermined, sequela

  • T43.4X5|

    Adverse effect of butyrophenone and thiothixene neuroleptics

  • T43.4X5A|

    Adverse effect of butyrophenone and thiothixene neuroleptics, initial encounter

  • T43.4X5D|

    Adverse effect of butyrophenone and thiothixene neuroleptics, subsequent encounter

  • T43.4X5S|

    Adverse effect of butyrophenone and thiothixene neuroleptics, sequela

  • T43.4X6|

    Underdosing of butyrophenone and thiothixene neuroleptics

  • T43.4X6A|

    Underdosing of butyrophenone and thiothixene neuroleptics, initial encounter

  • T43.4X6D|

    Underdosing of butyrophenone and thiothixene neuroleptics, subsequent encounter

  • T43.4X6S|

    Underdosing of butyrophenone and thiothixene neuroleptics, sequela

  • T43.5|

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

  • T43.50|

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

  • T43.501|

    Poisoning by unspecified antipsychotics and neuroleptics, accidental (unintentional)

  • T43.501A|

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

  • T43.501D|

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

  • T43.501S|

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

  • T43.502|

    Poisoning by unspecified antipsychotics and neuroleptics, intentional self-harm

  • T43.502A|

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

  • T43.502D|

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

  • T43.502S|

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

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