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
  • T38.902S|

    Poisoning by unspecified hormone antagonists, intentional self-harm, sequela

  • T38.903|

    Poisoning by unspecified hormone antagonists, assault

  • T38.903A|

    Poisoning by unspecified hormone antagonists, assault, initial encounter

  • T38.903D|

    Poisoning by unspecified hormone antagonists, assault, subsequent encounter

  • T38.903S|

    Poisoning by unspecified hormone antagonists, assault, sequela

  • T38.904|

    Poisoning by unspecified hormone antagonists, undetermined

  • T38.904A|

    Poisoning by unspecified hormone antagonists, undetermined, initial encounter

  • T38.904D|

    Poisoning by unspecified hormone antagonists, undetermined, subsequent encounter

  • T38.904S|

    Poisoning by unspecified hormone antagonists, undetermined, sequela

  • T38.905|

    Adverse effect of unspecified hormone antagonists

  • T38.905A|

    Adverse effect of unspecified hormone antagonists, initial encounter

  • T38.905D|

    Adverse effect of unspecified hormone antagonists, subsequent encounter

  • T38.905S|

    Adverse effect of unspecified hormone antagonists, sequela

  • T38.906|

    Underdosing of unspecified hormone antagonists

  • T38.906A|

    Underdosing of unspecified hormone antagonists, initial encounter

  • T38.906D|

    Underdosing of unspecified hormone antagonists, subsequent encounter

  • T38.906S|

    Underdosing of unspecified hormone antagonists, sequela

  • T38.99|

    Poisoning by, adverse effect of and underdosing of other hormone antagonists

  • T38.991|

    Poisoning by other hormone antagonists, accidental (unintentional)

  • T38.991A|

    Poisoning by other hormone antagonists, accidental (unintentional), initial encounter

  • T38.991D|

    Poisoning by other hormone antagonists, accidental (unintentional), subsequent encounter

  • T38.991S|

    Poisoning by other hormone antagonists, accidental (unintentional), sequela

  • T38.992|

    Poisoning by other hormone antagonists, intentional self-harm

  • T38.992A|

    Poisoning by other hormone antagonists, intentional self-harm, initial encounter

  • T38.992D|

    Poisoning by other hormone antagonists, intentional self-harm, subsequent encounter

  • T38.992S|

    Poisoning by other hormone antagonists, intentional self-harm, sequela

  • T38.993|

    Poisoning by other hormone antagonists, assault

  • T38.993A|

    Poisoning by other hormone antagonists, assault, initial encounter

  • T38.993D|

    Poisoning by other hormone antagonists, assault, subsequent encounter

  • T38.993S|

    Poisoning by other hormone antagonists, assault, sequela

  • T38.994|

    Poisoning by other hormone antagonists, undetermined

  • T38.994A|

    Poisoning by other hormone antagonists, undetermined, initial encounter

  • T38.994D|

    Poisoning by other hormone antagonists, undetermined, subsequent encounter

  • T38.994S|

    Poisoning by other hormone antagonists, undetermined, sequela

  • T38.995|

    Adverse effect of other hormone antagonists

  • T38.995A|

    Adverse effect of other hormone antagonists, initial encounter

  • T38.995D|

    Adverse effect of other hormone antagonists, subsequent encounter

  • T38.995S|

    Adverse effect of other hormone antagonists, sequela

  • T38.996|

    Underdosing of other hormone antagonists

  • T38.996A|

    Underdosing of other hormone antagonists, initial encounter

  • T38.996D|

    Underdosing of other hormone antagonists, subsequent encounter

  • T38.996S|

    Underdosing of other hormone antagonists, sequela

  • T39|

    Poisoning by, adverse effect of and underdosing of nonopioid analgesics, antipyretics and antirheumatics

  • T39.0|

    Poisoning by, adverse effect of and underdosing of salicylates

  • T39.01|

    Poisoning by, adverse effect of and underdosing of aspirin

  • T39.011|

    Poisoning by aspirin, accidental (unintentional)

  • T39.011A|

    Poisoning by aspirin, accidental (unintentional), initial encounter

  • T39.011D|

    Poisoning by aspirin, accidental (unintentional), subsequent encounter

  • T39.011S|

    Poisoning by aspirin, accidental (unintentional), sequela

  • T39.012|

    Poisoning by aspirin, intentional self-harm

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