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
  • T50.3X6D|

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

  • T50.3X6S|

    Underdosing of electrolytic, caloric and water-balance agents, sequela

  • T50.4|

    Poisoning by, adverse effect of and underdosing of drugs affecting uric acid metabolism

  • T50.4X|

    Poisoning by, adverse effect of and underdosing of drugs affecting uric acid metabolism

  • T50.4X1|

    Poisoning by drugs affecting uric acid metabolism, accidental (unintentional)

  • T50.4X1A|

    Poisoning by drugs affecting uric acid metabolism, accidental (unintentional), initial encounter

  • T50.4X1D|

    Poisoning by drugs affecting uric acid metabolism, accidental (unintentional), subsequent encounter

  • T50.4X1S|

    Poisoning by drugs affecting uric acid metabolism, accidental (unintentional), sequela

  • T50.4X2|

    Poisoning by drugs affecting uric acid metabolism, intentional self-harm

  • T50.4X2A|

    Poisoning by drugs affecting uric acid metabolism, intentional self-harm, initial encounter

  • T50.4X2D|

    Poisoning by drugs affecting uric acid metabolism, intentional self-harm, subsequent encounter

  • T50.4X2S|

    Poisoning by drugs affecting uric acid metabolism, intentional self-harm, sequela

  • T50.4X3|

    Poisoning by drugs affecting uric acid metabolism, assault

  • T50.4X3A|

    Poisoning by drugs affecting uric acid metabolism, assault, initial encounter

  • T50.4X3D|

    Poisoning by drugs affecting uric acid metabolism, assault, subsequent encounter

  • T50.4X3S|

    Poisoning by drugs affecting uric acid metabolism, assault, sequela

  • T50.4X4|

    Poisoning by drugs affecting uric acid metabolism, undetermined

  • T50.4X4A|

    Poisoning by drugs affecting uric acid metabolism, undetermined, initial encounter

  • T50.4X4D|

    Poisoning by drugs affecting uric acid metabolism, undetermined, subsequent encounter

  • T50.4X4S|

    Poisoning by drugs affecting uric acid metabolism, undetermined, sequela

  • T50.4X5|

    Adverse effect of drugs affecting uric acid metabolism

  • T50.4X5A|

    Adverse effect of drugs affecting uric acid metabolism, initial encounter

  • T50.4X5D|

    Adverse effect of drugs affecting uric acid metabolism, subsequent encounter

  • T50.4X5S|

    Adverse effect of drugs affecting uric acid metabolism, sequela

  • T50.4X6|

    Underdosing of drugs affecting uric acid metabolism

  • T50.4X6A|

    Underdosing of drugs affecting uric acid metabolism, initial encounter

  • T50.4X6D|

    Underdosing of drugs affecting uric acid metabolism, subsequent encounter

  • T50.4X6S|

    Underdosing of drugs affecting uric acid metabolism, sequela

  • T50.5|

    Poisoning by, adverse effect of and underdosing of appetite depressants

  • T50.5X|

    Poisoning by, adverse effect of and underdosing of appetite depressants

  • T50.5X1|

    Poisoning by appetite depressants, accidental (unintentional)

  • T50.5X1A|

    Poisoning by appetite depressants, accidental (unintentional), initial encounter

  • T50.5X1D|

    Poisoning by appetite depressants, accidental (unintentional), subsequent encounter

  • T50.5X1S|

    Poisoning by appetite depressants, accidental (unintentional), sequela

  • T50.5X2|

    Poisoning by appetite depressants, intentional self-harm

  • T50.5X2A|

    Poisoning by appetite depressants, intentional self-harm, initial encounter

  • T50.5X2D|

    Poisoning by appetite depressants, intentional self-harm, subsequent encounter

  • T50.5X2S|

    Poisoning by appetite depressants, intentional self-harm, sequela

  • T50.5X3|

    Poisoning by appetite depressants, assault

  • T50.5X3A|

    Poisoning by appetite depressants, assault, initial encounter

  • T50.5X3D|

    Poisoning by appetite depressants, assault, subsequent encounter

  • T50.5X3S|

    Poisoning by appetite depressants, assault, sequela

  • T50.5X4|

    Poisoning by appetite depressants, undetermined

  • T50.5X4A|

    Poisoning by appetite depressants, undetermined, initial encounter

  • T50.5X4D|

    Poisoning by appetite depressants, undetermined, subsequent encounter

  • T50.5X4S|

    Poisoning by appetite depressants, undetermined, sequela

  • T50.5X5|

    Adverse effect of appetite depressants

  • T50.5X5A|

    Adverse effect of appetite depressants, initial encounter

  • T50.5X5D|

    Adverse effect of appetite depressants, subsequent encounter

  • T50.5X5S|

    Adverse effect of appetite depressants, sequela

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