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
  • T50.B14D|

    Poisoning by smallpox vaccines, undetermined, subsequent encounter

  • T50.B14S|

    Poisoning by smallpox vaccines, undetermined, sequela

  • T50.B15|

    Adverse effect of smallpox vaccines

  • T50.B15A|

    Adverse effect of smallpox vaccines, initial encounter

  • T50.B15D|

    Adverse effect of smallpox vaccines, subsequent encounter

  • T50.B15S|

    Adverse effect of smallpox vaccines, sequela

  • T50.B16|

    Underdosing of smallpox vaccines

  • T50.B16A|

    Underdosing of smallpox vaccines, initial encounter

  • T50.B16D|

    Underdosing of smallpox vaccines, subsequent encounter

  • T50.B16S|

    Underdosing of smallpox vaccines, sequela

  • T50.B9|

    Poisoning by, adverse effect of and underdosing of other viral vaccines

  • T50.B91|

    Poisoning by other viral vaccines, accidental (unintentional)

  • T50.B91A|

    Poisoning by other viral vaccines, accidental (unintentional), initial encounter

  • T50.B91D|

    Poisoning by other viral vaccines, accidental (unintentional), subsequent encounter

  • T50.B91S|

    Poisoning by other viral vaccines, accidental (unintentional), sequela

  • T50.B92|

    Poisoning by other viral vaccines, intentional self-harm

  • T50.B92A|

    Poisoning by other viral vaccines, intentional self-harm, initial encounter

  • T50.B92D|

    Poisoning by other viral vaccines, intentional self-harm, subsequent encounter

  • T50.B92S|

    Poisoning by other viral vaccines, intentional self-harm, sequela

  • T50.B93|

    Poisoning by other viral vaccines, assault

  • T50.B93A|

    Poisoning by other viral vaccines, assault, initial encounter

  • T50.B93D|

    Poisoning by other viral vaccines, assault, subsequent encounter

  • T50.B93S|

    Poisoning by other viral vaccines, assault, sequela

  • T50.B94|

    Poisoning by other viral vaccines, undetermined

  • T50.B94A|

    Poisoning by other viral vaccines, undetermined, initial encounter

  • T50.B94D|

    Poisoning by other viral vaccines, undetermined, subsequent encounter

  • T50.B94S|

    Poisoning by other viral vaccines, undetermined, sequela

  • T50.B95|

    Adverse effect of other viral vaccines

  • T50.B95A|

    Adverse effect of other viral vaccines, initial encounter

  • T50.B95D|

    Adverse effect of other viral vaccines, subsequent encounter

  • T50.B95S|

    Adverse effect of other viral vaccines, sequela

  • T50.B96|

    Underdosing of other viral vaccines

  • T50.B96A|

    Underdosing of other viral vaccines, initial encounter

  • T50.B96D|

    Underdosing of other viral vaccines, subsequent encounter

  • T50.B96S|

    Underdosing of other viral vaccines, sequela

  • T50.Z|

    Poisoning by, adverse effect of and underdosing of other vaccines and biological substances

  • T50.Z1|

    Poisoning by, adverse effect of and underdosing of immunoglobulin

  • T50.Z11|

    Poisoning by immunoglobulin, accidental (unintentional)

  • T50.Z11A|

    Poisoning by immunoglobulin, accidental (unintentional), initial encounter

  • T50.Z11D|

    Poisoning by immunoglobulin, accidental (unintentional), subsequent encounter

  • T50.Z11S|

    Poisoning by immunoglobulin, accidental (unintentional), sequela

  • T50.Z12|

    Poisoning by immunoglobulin, intentional self-harm

  • T50.Z12A|

    Poisoning by immunoglobulin, intentional self-harm, initial encounter

  • T50.Z12D|

    Poisoning by immunoglobulin, intentional self-harm, subsequent encounter

  • T50.Z12S|

    Poisoning by immunoglobulin, intentional self-harm, sequela

  • T50.Z13|

    Poisoning by immunoglobulin, assault

  • T50.Z13A|

    Poisoning by immunoglobulin, assault, initial encounter

  • T50.Z13D|

    Poisoning by immunoglobulin, assault, subsequent encounter

  • T50.Z13S|

    Poisoning by immunoglobulin, assault, sequela

  • T50.Z14|

    Poisoning by immunoglobulin, undetermined

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