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
  • T45.7X5S|

    Adverse effect of anticoagulant antagonists, vitamin K and other coagulants, sequela

  • T45.7X6|

    Underdosing of anticoagulant antagonist, vitamin K and other coagulants

  • T45.7X6A|

    Underdosing of anticoagulant antagonist, vitamin K and other coagulants, initial encounter

  • T45.7X6D|

    Underdosing of anticoagulant antagonist, vitamin K and other coagulants, subsequent encounter

  • T45.7X6S|

    Underdosing of anticoagulant antagonist, vitamin K and other coagulants, sequela

  • T45.8|

    Poisoning by, adverse effect of and underdosing of other primarily systemic and hematological agents

  • T45.8X|

    Poisoning by, adverse effect of and underdosing of other primarily systemic and hematological agents

  • T45.8X1|

    Poisoning by other primarily systemic and hematological agents, accidental (unintentional)

  • T45.8X1A|

    Poisoning by other primarily systemic and hematological agents, accidental (unintentional), initial encounter

  • T45.8X1D|

    Poisoning by other primarily systemic and hematological agents, accidental (unintentional), subsequent encounter

  • T45.8X1S|

    Poisoning by other primarily systemic and hematological agents, accidental (unintentional), sequela

  • T45.8X2|

    Poisoning by other primarily systemic and hematological agents, intentional self-harm

  • T45.8X2A|

    Poisoning by other primarily systemic and hematological agents, intentional self-harm, initial encounter

  • T45.8X2D|

    Poisoning by other primarily systemic and hematological agents, intentional self-harm, subsequent encounter

  • T45.8X2S|

    Poisoning by other primarily systemic and hematological agents, intentional self-harm, sequela

  • T45.8X3|

    Poisoning by other primarily systemic and hematological agents, assault

  • T45.8X3A|

    Poisoning by other primarily systemic and hematological agents, assault, initial encounter

  • T45.8X3D|

    Poisoning by other primarily systemic and hematological agents, assault, subsequent encounter

  • T45.8X3S|

    Poisoning by other primarily systemic and hematological agents, assault, sequela

  • T45.8X4|

    Poisoning by other primarily systemic and hematological agents, undetermined

  • T45.8X4A|

    Poisoning by other primarily systemic and hematological agents, undetermined, initial encounter

  • T45.8X4D|

    Poisoning by other primarily systemic and hematological agents, undetermined, subsequent encounter

  • T45.8X4S|

    Poisoning by other primarily systemic and hematological agents, undetermined, sequela

  • T45.8X5|

    Adverse effect of other primarily systemic and hematological agents

  • T45.8X5A|

    Adverse effect of other primarily systemic and hematological agents, initial encounter

  • T45.8X5D|

    Adverse effect of other primarily systemic and hematological agents, subsequent encounter

  • T45.8X5S|

    Adverse effect of other primarily systemic and hematological agents, sequela

  • T45.8X6|

    Underdosing of other primarily systemic and hematological agents

  • T45.8X6A|

    Underdosing of other primarily systemic and hematological agents, initial encounter

  • T45.8X6D|

    Underdosing of other primarily systemic and hematological agents, subsequent encounter

  • T45.8X6S|

    Underdosing of other primarily systemic and hematological agents, sequela

  • T45.9|

    Poisoning by, adverse effect of and underdosing of unspecified primarily systemic and hematological agent

  • T45.91|

    Poisoning by unspecified primarily systemic and hematological agent, accidental (unintentional)

  • T45.91XA|

    Poisoning by unspecified primarily systemic and hematological agent, accidental (unintentional), initial encounter

  • T45.91XD|

    Poisoning by unspecified primarily systemic and hematological agent, accidental (unintentional), subsequent encounter

  • T45.91XS|

    Poisoning by unspecified primarily systemic and hematological agent, accidental (unintentional), sequela

  • T45.92|

    Poisoning by unspecified primarily systemic and hematological agent, intentional self-harm

  • T45.92XA|

    Poisoning by unspecified primarily systemic and hematological agent, intentional self-harm, initial encounter

  • T45.92XD|

    Poisoning by unspecified primarily systemic and hematological agent, intentional self-harm, subsequent encounter

  • T45.92XS|

    Poisoning by unspecified primarily systemic and hematological agent, intentional self-harm, sequela

  • T45.93|

    Poisoning by unspecified primarily systemic and hematological agent, assault

  • T45.93XA|

    Poisoning by unspecified primarily systemic and hematological agent, assault, initial encounter

  • T45.93XD|

    Poisoning by unspecified primarily systemic and hematological agent, assault, subsequent encounter

  • T45.93XS|

    Poisoning by unspecified primarily systemic and hematological agent, assault, sequela

  • T45.94|

    Poisoning by unspecified primarily systemic and hematological agent, undetermined

  • T45.94XA|

    Poisoning by unspecified primarily systemic and hematological agent, undetermined, initial encounter

  • T45.94XD|

    Poisoning by unspecified primarily systemic and hematological agent, undetermined, subsequent encounter

  • T45.94XS|

    Poisoning by unspecified primarily systemic and hematological agent, undetermined, sequela

  • T45.95|

    Adverse effect of unspecified primarily systemic and hematological agent

  • T45.95XA|

    Adverse effect of unspecified primarily systemic and hematological agent, initial encounter

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