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
  • T48.5X4D|

    Poisoning by other anti-common-cold drugs, undetermined, subsequent encounter

  • T48.5X4S|

    Poisoning by other anti-common-cold drugs, undetermined, sequela

  • T48.5X5|

    Adverse effect of other anti-common-cold drugs

  • T48.5X5A|

    Adverse effect of other anti-common-cold drugs, initial encounter

  • T48.5X5D|

    Adverse effect of other anti-common-cold drugs, subsequent encounter

  • T48.5X5S|

    Adverse effect of other anti-common-cold drugs, sequela

  • T48.5X6|

    Underdosing of other anti-common-cold drugs

  • T48.5X6A|

    Underdosing of other anti-common-cold drugs, initial encounter

  • T48.5X6D|

    Underdosing of other anti-common-cold drugs, subsequent encounter

  • T48.5X6S|

    Underdosing of other anti-common-cold drugs, sequela

  • T48.6|

    Poisoning by, adverse effect of and underdosing of antiasthmatics, not elsewhere classified

  • T48.6X|

    Poisoning by, adverse effect of and underdosing of antiasthmatics

  • T48.6X1|

    Poisoning by antiasthmatics, accidental (unintentional)

  • T48.6X1A|

    Poisoning by antiasthmatics, accidental (unintentional), initial encounter

  • T48.6X1D|

    Poisoning by antiasthmatics, accidental (unintentional), subsequent encounter

  • T48.6X1S|

    Poisoning by antiasthmatics, accidental (unintentional), sequela

  • T48.6X2|

    Poisoning by antiasthmatics, intentional self-harm

  • T48.6X2A|

    Poisoning by antiasthmatics, intentional self-harm, initial encounter

  • T48.6X2D|

    Poisoning by antiasthmatics, intentional self-harm, subsequent encounter

  • T48.6X2S|

    Poisoning by antiasthmatics, intentional self-harm, sequela

  • T48.6X3|

    Poisoning by antiasthmatics, assault

  • T48.6X3A|

    Poisoning by antiasthmatics, assault, initial encounter

  • T48.6X3D|

    Poisoning by antiasthmatics, assault, subsequent encounter

  • T48.6X3S|

    Poisoning by antiasthmatics, assault, sequela

  • T48.6X4|

    Poisoning by antiasthmatics, undetermined

  • T48.6X4A|

    Poisoning by antiasthmatics, undetermined, initial encounter

  • T48.6X4D|

    Poisoning by antiasthmatics, undetermined, subsequent encounter

  • T48.6X4S|

    Poisoning by antiasthmatics, undetermined, sequela

  • T48.6X5|

    Adverse effect of antiasthmatics

  • T48.6X5A|

    Adverse effect of antiasthmatics, initial encounter

  • T48.6X5D|

    Adverse effect of antiasthmatics, subsequent encounter

  • T48.6X5S|

    Adverse effect of antiasthmatics, sequela

  • T48.6X6|

    Underdosing of antiasthmatics

  • T48.6X6A|

    Underdosing of antiasthmatics, initial encounter

  • T48.6X6D|

    Underdosing of antiasthmatics, subsequent encounter

  • T48.6X6S|

    Underdosing of antiasthmatics, sequela

  • T48.9|

    Poisoning by, adverse effect of and underdosing of other and unspecified agents primarily acting on the respiratory system

  • T48.90|

    Poisoning by, adverse effect of and underdosing of unspecified agents primarily acting on the respiratory system

  • T48.901|

    Poisoning by unspecified agents primarily acting on the respiratory system, accidental (unintentional)

  • T48.901A|

    Poisoning by unspecified agents primarily acting on the respiratory system, accidental (unintentional), initial encounter

  • T48.901D|

    Poisoning by unspecified agents primarily acting on the respiratory system, accidental (unintentional), subsequent encounter

  • T48.901S|

    Poisoning by unspecified agents primarily acting on the respiratory system, accidental (unintentional), sequela

  • T48.902|

    Poisoning by unspecified agents primarily acting on the respiratory system, intentional self-harm

  • T48.902A|

    Poisoning by unspecified agents primarily acting on the respiratory system, intentional self-harm, initial encounter

  • T48.902D|

    Poisoning by unspecified agents primarily acting on the respiratory system, intentional self-harm, subsequent encounter

  • T48.902S|

    Poisoning by unspecified agents primarily acting on the respiratory system, intentional self-harm, sequela

  • T48.903|

    Poisoning by unspecified agents primarily acting on the respiratory system, assault

  • T48.903A|

    Poisoning by unspecified agents primarily acting on the respiratory system, assault, initial encounter

  • T48.903D|

    Poisoning by unspecified agents primarily acting on the respiratory system, assault, subsequent encounter

  • T48.903S|

    Poisoning by unspecified agents primarily acting on the respiratory system, assault, sequela

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