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
  • T50.7X5D|

    Adverse effect of analeptics and opioid receptor antagonists, subsequent encounter

  • T50.7X5S|

    Adverse effect of analeptics and opioid receptor antagonists, sequela

  • T50.7X6|

    Underdosing of analeptics and opioid receptor antagonists

  • T50.7X6A|

    Underdosing of analeptics and opioid receptor antagonists, initial encounter

  • T50.7X6D|

    Underdosing of analeptics and opioid receptor antagonists, subsequent encounter

  • T50.7X6S|

    Underdosing of analeptics and opioid receptor antagonists, sequela

  • T50.8|

    Poisoning by, adverse effect of and underdosing of diagnostic agents

  • T50.8X|

    Poisoning by, adverse effect of and underdosing of diagnostic agents

  • T50.8X1|

    Poisoning by diagnostic agents, accidental (unintentional)

  • T50.8X1A|

    Poisoning by diagnostic agents, accidental (unintentional), initial encounter

  • T50.8X1D|

    Poisoning by diagnostic agents, accidental (unintentional), subsequent encounter

  • T50.8X1S|

    Poisoning by diagnostic agents, accidental (unintentional), sequela

  • T50.8X2|

    Poisoning by diagnostic agents, intentional self-harm

  • T50.8X2A|

    Poisoning by diagnostic agents, intentional self-harm, initial encounter

  • T50.8X2D|

    Poisoning by diagnostic agents, intentional self-harm, subsequent encounter

  • T50.8X2S|

    Poisoning by diagnostic agents, intentional self-harm, sequela

  • T50.8X3|

    Poisoning by diagnostic agents, assault

  • T50.8X3A|

    Poisoning by diagnostic agents, assault, initial encounter

  • T50.8X3D|

    Poisoning by diagnostic agents, assault, subsequent encounter

  • T50.8X3S|

    Poisoning by diagnostic agents, assault, sequela

  • T50.8X4|

    Poisoning by diagnostic agents, undetermined

  • T50.8X4A|

    Poisoning by diagnostic agents, undetermined, initial encounter

  • T50.8X4D|

    Poisoning by diagnostic agents, undetermined, subsequent encounter

  • T50.8X4S|

    Poisoning by diagnostic agents, undetermined, sequela

  • T50.8X5|

    Adverse effect of diagnostic agents

  • T50.8X5A|

    Adverse effect of diagnostic agents, initial encounter

  • T50.8X5D|

    Adverse effect of diagnostic agents, subsequent encounter

  • T50.8X5S|

    Adverse effect of diagnostic agents, sequela

  • T50.8X6|

    Underdosing of diagnostic agents

  • T50.8X6A|

    Underdosing of diagnostic agents, initial encounter

  • T50.8X6D|

    Underdosing of diagnostic agents, subsequent encounter

  • T50.8X6S|

    Underdosing of diagnostic agents, sequela

  • T50.9|

    Poisoning by, adverse effect of and underdosing of other and unspecified drugs, medicaments and biological substances

  • T50.90|

    Poisoning by, adverse effect of and underdosing of unspecified drugs, medicaments and biological substances

  • T50.901|

    Poisoning by unspecified drugs, medicaments and biological substances, accidental (unintentional)

  • T50.901A|

    Poisoning by unspecified drugs, medicaments and biological substances, accidental (unintentional), initial encounter

  • T50.901D|

    Poisoning by unspecified drugs, medicaments and biological substances, accidental (unintentional), subsequent encounter

  • T50.901S|

    Poisoning by unspecified drugs, medicaments and biological substances, accidental (unintentional), sequela

  • T50.902|

    Poisoning by unspecified drugs, medicaments and biological substances, intentional self-harm

  • T50.902A|

    Poisoning by unspecified drugs, medicaments and biological substances, intentional self-harm, initial encounter

  • T50.902D|

    Poisoning by unspecified drugs, medicaments and biological substances, intentional self-harm, subsequent encounter

  • T50.902S|

    Poisoning by unspecified drugs, medicaments and biological substances, intentional self-harm, sequela

  • T50.903|

    Poisoning by unspecified drugs, medicaments and biological substances, assault

  • T50.903A|

    Poisoning by unspecified drugs, medicaments and biological substances, assault, initial encounter

  • T50.903D|

    Poisoning by unspecified drugs, medicaments and biological substances, assault, subsequent encounter

  • T50.903S|

    Poisoning by unspecified drugs, medicaments and biological substances, assault, sequela

  • T50.904|

    Poisoning by unspecified drugs, medicaments and biological substances, undetermined

  • T50.904A|

    Poisoning by unspecified drugs, medicaments and biological substances, undetermined, initial encounter

  • T50.904D|

    Poisoning by unspecified drugs, medicaments and biological substances, undetermined, subsequent encounter

  • T50.904S|

    Poisoning by unspecified drugs, medicaments and biological substances, undetermined, sequela

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