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
  • T48.904|

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

  • T48.904A|

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

  • T48.904D|

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

  • T48.904S|

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

  • T48.905|

    Adverse effect of unspecified agents primarily acting on the respiratory system

  • T48.905A|

    Adverse effect of unspecified agents primarily acting on the respiratory system, initial encounter

  • T48.905D|

    Adverse effect of unspecified agents primarily acting on the respiratory system, subsequent encounter

  • T48.905S|

    Adverse effect of unspecified agents primarily acting on the respiratory system, sequela

  • T48.906|

    Underdosing of unspecified agents primarily acting on the respiratory system

  • T48.906A|

    Underdosing of unspecified agents primarily acting on the respiratory system, initial encounter

  • T48.906D|

    Underdosing of unspecified agents primarily acting on the respiratory system, subsequent encounter

  • T48.906S|

    Underdosing of unspecified agents primarily acting on the respiratory system, sequela

  • T48.99|

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

  • T48.991|

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

  • T48.991A|

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

  • T48.991D|

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

  • T48.991S|

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

  • T48.992|

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

  • T48.992A|

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

  • T48.992D|

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

  • T48.992S|

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

  • T48.993|

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

  • T48.993A|

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

  • T48.993D|

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

  • T48.993S|

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

  • T48.994|

    Poisoning by other agents primarily acting on the respiratory system, undetermined

  • T48.994A|

    Poisoning by other agents primarily acting on the respiratory system, undetermined, initial encounter

  • T48.994D|

    Poisoning by other agents primarily acting on the respiratory system, undetermined, subsequent encounter

  • T48.994S|

    Poisoning by other agents primarily acting on the respiratory system, undetermined, sequela

  • T48.995|

    Adverse effect of other agents primarily acting on the respiratory system

  • T48.995A|

    Adverse effect of other agents primarily acting on the respiratory system, initial encounter

  • T48.995D|

    Adverse effect of other agents primarily acting on the respiratory system, subsequent encounter

  • T48.995S|

    Adverse effect of other agents primarily acting on the respiratory system, sequela

  • T48.996|

    Underdosing of other agents primarily acting on the respiratory system

  • T48.996A|

    Underdosing of other agents primarily acting on the respiratory system, initial encounter

  • T48.996D|

    Underdosing of other agents primarily acting on the respiratory system, subsequent encounter

  • T48.996S|

    Underdosing of other agents primarily acting on the respiratory system, sequela

  • T49|

    Poisoning by, adverse effect of and underdosing of topical agents primarily affecting skin and mucous membrane and by ophthalmological, otorhinorlaryngological and dental drugs

  • T49.0|

    Poisoning by, adverse effect of and underdosing of local antifungal, anti-infective and anti-inflammatory drugs

  • T49.0X|

    Poisoning by, adverse effect of and underdosing of local antifungal, anti-infective and anti-inflammatory drugs

  • T49.0X1|

    Poisoning by local antifungal, anti-infective and anti-inflammatory drugs, accidental (unintentional)

  • T49.0X1A|

    Poisoning by local antifungal, anti-infective and anti-inflammatory drugs, accidental (unintentional), initial encounter

  • T49.0X1D|

    Poisoning by local antifungal, anti-infective and anti-inflammatory drugs, accidental (unintentional), subsequent encounter

  • T49.0X1S|

    Poisoning by local antifungal, anti-infective and anti-inflammatory drugs, accidental (unintentional), sequela

  • T49.0X2|

    Poisoning by local antifungal, anti-infective and anti-inflammatory drugs, intentional self-harm

  • T49.0X2A|

    Poisoning by local antifungal, anti-infective and anti-inflammatory drugs, intentional self-harm, initial encounter

  • T49.0X2D|

    Poisoning by local antifungal, anti-infective and anti-inflammatory drugs, intentional self-harm, subsequent encounter

  • T49.0X2S|

    Poisoning by local antifungal, anti-infective and anti-inflammatory drugs, intentional self-harm, sequela

  • T49.0X3|

    Poisoning by local antifungal, anti-infective and anti-inflammatory drugs, assault

  • T49.0X3A|

    Poisoning by local antifungal, anti-infective and anti-inflammatory drugs, assault, initial encounter

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