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
  • T50.2|

    Poisoning by, adverse effect of and underdosing of carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics

  • T50.2X|

    Poisoning by, adverse effect of and underdosing of carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics

  • T50.2X1|

    Poisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, accidental (unintentional)

  • T50.2X1A|

    Poisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, accidental (unintentional), initial encounter

  • T50.2X1D|

    Poisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, accidental (unintentional), subsequent encounter

  • T50.2X1S|

    Poisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, accidental (unintentional), sequela

  • T50.2X2|

    Poisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, intentional self-harm

  • T50.2X2A|

    Poisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, intentional self-harm, initial encounter

  • T50.2X2D|

    Poisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, intentional self-harm, subsequent encounter

  • T50.2X2S|

    Poisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, intentional self-harm, sequela

  • T50.2X3|

    Poisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, assault

  • T50.2X3A|

    Poisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, assault, initial encounter

  • T50.2X3D|

    Poisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, assault, subsequent encounter

  • T50.2X3S|

    Poisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, assault, sequela

  • T50.2X4|

    Poisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, undetermined

  • T50.2X4A|

    Poisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, undetermined, initial encounter

  • T50.2X4D|

    Poisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, undetermined, subsequent encounter

  • T50.2X4S|

    Poisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, undetermined, sequela

  • T50.2X5|

    Adverse effect of carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics

  • T50.2X5A|

    Adverse effect of carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, initial encounter

  • T50.2X5D|

    Adverse effect of carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, subsequent encounter

  • T50.2X5S|

    Adverse effect of carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, sequela

  • T50.2X6|

    Underdosing of carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics

  • T50.2X6A|

    Underdosing of carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, initial encounter

  • T50.2X6D|

    Underdosing of carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, subsequent encounter

  • T50.2X6S|

    Underdosing of carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, sequela

  • T50.3|

    Poisoning by, adverse effect of and underdosing of electrolytic, caloric and water-balance agents

  • T50.3X|

    Poisoning by, adverse effect of and underdosing of electrolytic, caloric and water-balance agents

  • T50.3X1|

    Poisoning by electrolytic, caloric and water-balance agents, accidental (unintentional)

  • T50.3X1A|

    Poisoning by electrolytic, caloric and water-balance agents, accidental (unintentional), initial encounter

  • T50.3X1D|

    Poisoning by electrolytic, caloric and water-balance agents, accidental (unintentional), subsequent encounter

  • T50.3X1S|

    Poisoning by electrolytic, caloric and water-balance agents, accidental (unintentional), sequela

  • T50.3X2|

    Poisoning by electrolytic, caloric and water-balance agents, intentional self-harm

  • T50.3X2A|

    Poisoning by electrolytic, caloric and water-balance agents, intentional self-harm, initial encounter

  • T50.3X2D|

    Poisoning by electrolytic, caloric and water-balance agents, intentional self-harm, subsequent encounter

  • T50.3X2S|

    Poisoning by electrolytic, caloric and water-balance agents, intentional self-harm, sequela

  • T50.3X3|

    Poisoning by electrolytic, caloric and water-balance agents, assault

  • T50.3X3A|

    Poisoning by electrolytic, caloric and water-balance agents, assault, initial encounter

  • T50.3X3D|

    Poisoning by electrolytic, caloric and water-balance agents, assault, subsequent encounter

  • T50.3X3S|

    Poisoning by electrolytic, caloric and water-balance agents, assault, sequela

  • T50.3X4|

    Poisoning by electrolytic, caloric and water-balance agents, undetermined

  • T50.3X4A|

    Poisoning by electrolytic, caloric and water-balance agents, undetermined, initial encounter

  • T50.3X4D|

    Poisoning by electrolytic, caloric and water-balance agents, undetermined, subsequent encounter

  • T50.3X4S|

    Poisoning by electrolytic, caloric and water-balance agents, undetermined, sequela

  • T50.3X5|

    Adverse effect of electrolytic, caloric and water-balance agents

  • T50.3X5A|

    Adverse effect of electrolytic, caloric and water-balance agents, initial encounter

  • T50.3X5D|

    Adverse effect of electrolytic, caloric and water-balance agents, subsequent encounter

  • T50.3X5S|

    Adverse effect of electrolytic, caloric and water-balance agents, sequela

  • T50.3X6|

    Underdosing of electrolytic, caloric and water-balance agents

  • T50.3X6A|

    Underdosing of electrolytic, caloric and water-balance agents, initial encounter

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