All ICD10 Codes
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.-)
All CodesBillable Only
Internal Codes
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  • T59.1X3D|

    Toxic effect of sulfur dioxide, assault, subsequent encounter

  • T59.1X3S|

    Toxic effect of sulfur dioxide, assault, sequela

  • T59.1X4|

    Toxic effect of sulfur dioxide, undetermined

  • T59.1X4A|

    Toxic effect of sulfur dioxide, undetermined, initial encounter

  • T59.1X4D|

    Toxic effect of sulfur dioxide, undetermined, subsequent encounter

  • T59.1X4S|

    Toxic effect of sulfur dioxide, undetermined, sequela

  • T59.2|

    Toxic effect of formaldehyde

  • T59.2X|

    Toxic effect of formaldehyde

  • T59.2X1|

    Toxic effect of formaldehyde, accidental (unintentional)

  • T59.2X1A|

    Toxic effect of formaldehyde, accidental (unintentional), initial encounter

  • T59.2X1D|

    Toxic effect of formaldehyde, accidental (unintentional), subsequent encounter

  • T59.2X1S|

    Toxic effect of formaldehyde, accidental (unintentional), sequela

  • T59.2X2|

    Toxic effect of formaldehyde, intentional self-harm

  • T59.2X2A|

    Toxic effect of formaldehyde, intentional self-harm, initial encounter

  • T59.2X2D|

    Toxic effect of formaldehyde, intentional self-harm, subsequent encounter

  • T59.2X2S|

    Toxic effect of formaldehyde, intentional self-harm, sequela

  • T59.2X3|

    Toxic effect of formaldehyde, assault

  • T59.2X3A|

    Toxic effect of formaldehyde, assault, initial encounter

  • T59.2X3D|

    Toxic effect of formaldehyde, assault, subsequent encounter

  • T59.2X3S|

    Toxic effect of formaldehyde, assault, sequela

  • T59.2X4|

    Toxic effect of formaldehyde, undetermined

  • T59.2X4A|

    Toxic effect of formaldehyde, undetermined, initial encounter

  • T59.2X4D|

    Toxic effect of formaldehyde, undetermined, subsequent encounter

  • T59.2X4S|

    Toxic effect of formaldehyde, undetermined, sequela

  • T59.3|

    Toxic effect of lacrimogenic gas

  • T59.3X|

    Toxic effect of lacrimogenic gas

  • T59.3X1|

    Toxic effect of lacrimogenic gas, accidental (unintentional)

  • T59.3X1A|

    Toxic effect of lacrimogenic gas, accidental (unintentional), initial encounter

  • T59.3X1D|

    Toxic effect of lacrimogenic gas, accidental (unintentional), subsequent encounter

  • T59.3X1S|

    Toxic effect of lacrimogenic gas, accidental (unintentional), sequela

  • T59.3X2|

    Toxic effect of lacrimogenic gas, intentional self-harm

  • T59.3X2A|

    Toxic effect of lacrimogenic gas, intentional self-harm, initial encounter

  • T59.3X2D|

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

  • T59.3X2S|

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

  • T59.3X3|

    Toxic effect of lacrimogenic gas, assault

  • T59.3X3A|

    Toxic effect of lacrimogenic gas, assault, initial encounter

  • T59.3X3D|

    Toxic effect of lacrimogenic gas, assault, subsequent encounter

  • T59.3X3S|

    Toxic effect of lacrimogenic gas, assault, sequela

  • T59.3X4|

    Toxic effect of lacrimogenic gas, undetermined

  • T59.3X4A|

    Toxic effect of lacrimogenic gas, undetermined, initial encounter

  • T59.3X4D|

    Toxic effect of lacrimogenic gas, undetermined, subsequent encounter

  • T59.3X4S|

    Toxic effect of lacrimogenic gas, undetermined, sequela

  • T59.4|

    Toxic effect of chlorine gas

  • T59.4X|

    Toxic effect of chlorine gas

  • T59.4X1|

    Toxic effect of chlorine gas, accidental (unintentional)

  • T59.4X1A|

    Toxic effect of chlorine gas, accidental (unintentional), initial encounter

  • T59.4X1D|

    Toxic effect of chlorine gas, accidental (unintentional), subsequent encounter

  • T59.4X1S|

    Toxic effect of chlorine gas, accidental (unintentional), sequela

  • T59.4X2|

    Toxic effect of chlorine gas, intentional self-harm

  • T59.4X2A|

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

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