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
  • T50.5X6|

    Underdosing of appetite depressants

  • T50.5X6A|

    Underdosing of appetite depressants, initial encounter

  • T50.5X6D|

    Underdosing of appetite depressants, subsequent encounter

  • T50.5X6S|

    Underdosing of appetite depressants, sequela

  • T50.6|

    Poisoning by, adverse effect of and underdosing of antidotes and chelating agents

  • T50.6X|

    Poisoning by, adverse effect of and underdosing of antidotes and chelating agents

  • T50.6X1|

    Poisoning by antidotes and chelating agents, accidental (unintentional)

  • T50.6X1A|

    Poisoning by antidotes and chelating agents, accidental (unintentional), initial encounter

  • T50.6X1D|

    Poisoning by antidotes and chelating agents, accidental (unintentional), subsequent encounter

  • T50.6X1S|

    Poisoning by antidotes and chelating agents, accidental (unintentional), sequela

  • T50.6X2|

    Poisoning by antidotes and chelating agents, intentional self-harm

  • T50.6X2A|

    Poisoning by antidotes and chelating agents, intentional self-harm, initial encounter

  • T50.6X2D|

    Poisoning by antidotes and chelating agents, intentional self-harm, subsequent encounter

  • T50.6X2S|

    Poisoning by antidotes and chelating agents, intentional self-harm, sequela

  • T50.6X3|

    Poisoning by antidotes and chelating agents, assault

  • T50.6X3A|

    Poisoning by antidotes and chelating agents, assault, initial encounter

  • T50.6X3D|

    Poisoning by antidotes and chelating agents, assault, subsequent encounter

  • T50.6X3S|

    Poisoning by antidotes and chelating agents, assault, sequela

  • T50.6X4|

    Poisoning by antidotes and chelating agents, undetermined

  • T50.6X4A|

    Poisoning by antidotes and chelating agents, undetermined, initial encounter

  • T50.6X4D|

    Poisoning by antidotes and chelating agents, undetermined, subsequent encounter

  • T50.6X4S|

    Poisoning by antidotes and chelating agents, undetermined, sequela

  • T50.6X5|

    Adverse effect of antidotes and chelating agents

  • T50.6X5A|

    Adverse effect of antidotes and chelating agents, initial encounter

  • T50.6X5D|

    Adverse effect of antidotes and chelating agents, subsequent encounter

  • T50.6X5S|

    Adverse effect of antidotes and chelating agents, sequela

  • T50.6X6|

    Underdosing of antidotes and chelating agents

  • T50.6X6A|

    Underdosing of antidotes and chelating agents, initial encounter

  • T50.6X6D|

    Underdosing of antidotes and chelating agents, subsequent encounter

  • T50.6X6S|

    Underdosing of antidotes and chelating agents, sequela

  • T50.7|

    Poisoning by, adverse effect of and underdosing of analeptics and opioid receptor antagonists

  • T50.7X|

    Poisoning by, adverse effect of and underdosing of analeptics and opioid receptor antagonists

  • T50.7X1|

    Poisoning by analeptics and opioid receptor antagonists, accidental (unintentional)

  • T50.7X1A|

    Poisoning by analeptics and opioid receptor antagonists, accidental (unintentional), initial encounter

  • T50.7X1D|

    Poisoning by analeptics and opioid receptor antagonists, accidental (unintentional), subsequent encounter

  • T50.7X1S|

    Poisoning by analeptics and opioid receptor antagonists, accidental (unintentional), sequela

  • T50.7X2|

    Poisoning by analeptics and opioid receptor antagonists, intentional self-harm

  • T50.7X2A|

    Poisoning by analeptics and opioid receptor antagonists, intentional self-harm, initial encounter

  • T50.7X2D|

    Poisoning by analeptics and opioid receptor antagonists, intentional self-harm, subsequent encounter

  • T50.7X2S|

    Poisoning by analeptics and opioid receptor antagonists, intentional self-harm, sequela

  • T50.7X3|

    Poisoning by analeptics and opioid receptor antagonists, assault

  • T50.7X3A|

    Poisoning by analeptics and opioid receptor antagonists, assault, initial encounter

  • T50.7X3D|

    Poisoning by analeptics and opioid receptor antagonists, assault, subsequent encounter

  • T50.7X3S|

    Poisoning by analeptics and opioid receptor antagonists, assault, sequela

  • T50.7X4|

    Poisoning by analeptics and opioid receptor antagonists, undetermined

  • T50.7X4A|

    Poisoning by analeptics and opioid receptor antagonists, undetermined, initial encounter

  • T50.7X4D|

    Poisoning by analeptics and opioid receptor antagonists, undetermined, subsequent encounter

  • T50.7X4S|

    Poisoning by analeptics and opioid receptor antagonists, undetermined, sequela

  • T50.7X5|

    Adverse effect of analeptics and opioid receptor antagonists

  • T50.7X5A|

    Adverse effect of analeptics and opioid receptor antagonists, initial encounter

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