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
  • T59.4X2D|

    Toxic effect of chlorine gas, intentional self-harm, subsequent encounter

  • T59.4X2S|

    Toxic effect of chlorine gas, intentional self-harm, sequela

  • T59.4X3|

    Toxic effect of chlorine gas, assault

  • T59.4X3A|

    Toxic effect of chlorine gas, assault, initial encounter

  • T59.4X3D|

    Toxic effect of chlorine gas, assault, subsequent encounter

  • T59.4X3S|

    Toxic effect of chlorine gas, assault, sequela

  • T59.4X4|

    Toxic effect of chlorine gas, undetermined

  • T59.4X4A|

    Toxic effect of chlorine gas, undetermined, initial encounter

  • T59.4X4D|

    Toxic effect of chlorine gas, undetermined, subsequent encounter

  • T59.4X4S|

    Toxic effect of chlorine gas, undetermined, sequela

  • T59.5|

    Toxic effect of fluorine gas and hydrogen fluoride

  • T59.5X|

    Toxic effect of fluorine gas and hydrogen fluoride

  • T59.5X1|

    Toxic effect of fluorine gas and hydrogen fluoride, accidental (unintentional)

  • T59.5X1A|

    Toxic effect of fluorine gas and hydrogen fluoride, accidental (unintentional), initial encounter

  • T59.5X1D|

    Toxic effect of fluorine gas and hydrogen fluoride, accidental (unintentional), subsequent encounter

  • T59.5X1S|

    Toxic effect of fluorine gas and hydrogen fluoride, accidental (unintentional), sequela

  • T59.5X2|

    Toxic effect of fluorine gas and hydrogen fluoride, intentional self-harm

  • T59.5X2A|

    Toxic effect of fluorine gas and hydrogen fluoride, intentional self-harm, initial encounter

  • T59.5X2D|

    Toxic effect of fluorine gas and hydrogen fluoride, intentional self-harm, subsequent encounter

  • T59.5X2S|

    Toxic effect of fluorine gas and hydrogen fluoride, intentional self-harm, sequela

  • T59.5X3|

    Toxic effect of fluorine gas and hydrogen fluoride, assault

  • T59.5X3A|

    Toxic effect of fluorine gas and hydrogen fluoride, assault, initial encounter

  • T59.5X3D|

    Toxic effect of fluorine gas and hydrogen fluoride, assault, subsequent encounter

  • T59.5X3S|

    Toxic effect of fluorine gas and hydrogen fluoride, assault, sequela

  • T59.5X4|

    Toxic effect of fluorine gas and hydrogen fluoride, undetermined

  • T59.5X4A|

    Toxic effect of fluorine gas and hydrogen fluoride, undetermined, initial encounter

  • T59.5X4D|

    Toxic effect of fluorine gas and hydrogen fluoride, undetermined, subsequent encounter

  • T59.5X4S|

    Toxic effect of fluorine gas and hydrogen fluoride, undetermined, sequela

  • T59.6|

    Toxic effect of hydrogen sulfide

  • T59.6X|

    Toxic effect of hydrogen sulfide

  • T59.6X1|

    Toxic effect of hydrogen sulfide, accidental (unintentional)

  • T59.6X1A|

    Toxic effect of hydrogen sulfide, accidental (unintentional), initial encounter

  • T59.6X1D|

    Toxic effect of hydrogen sulfide, accidental (unintentional), subsequent encounter

  • T59.6X1S|

    Toxic effect of hydrogen sulfide, accidental (unintentional), sequela

  • T59.6X2|

    Toxic effect of hydrogen sulfide, intentional self-harm

  • T59.6X2A|

    Toxic effect of hydrogen sulfide, intentional self-harm, initial encounter

  • T59.6X2D|

    Toxic effect of hydrogen sulfide, intentional self-harm, subsequent encounter

  • T59.6X2S|

    Toxic effect of hydrogen sulfide, intentional self-harm, sequela

  • T59.6X3|

    Toxic effect of hydrogen sulfide, assault

  • T59.6X3A|

    Toxic effect of hydrogen sulfide, assault, initial encounter

  • T59.6X3D|

    Toxic effect of hydrogen sulfide, assault, subsequent encounter

  • T59.6X3S|

    Toxic effect of hydrogen sulfide, assault, sequela

  • T59.6X4|

    Toxic effect of hydrogen sulfide, undetermined

  • T59.6X4A|

    Toxic effect of hydrogen sulfide, undetermined, initial encounter

  • T59.6X4D|

    Toxic effect of hydrogen sulfide, undetermined, subsequent encounter

  • T59.6X4S|

    Toxic effect of hydrogen sulfide, undetermined, sequela

  • T59.7|

    Toxic effect of carbon dioxide

  • T59.7X|

    Toxic effect of carbon dioxide

  • T59.7X1|

    Toxic effect of carbon dioxide, accidental (unintentional)

  • T59.7X1A|

    Toxic effect of carbon dioxide, accidental (unintentional), initial encounter

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