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
  • T78.110D|

    Other adverse food reactions due to milk and dairy products with tolerance to baked milk, subsequent encounter

  • T78.110S|

    Other adverse food reactions due to milk and dairy products with tolerance to baked milk, sequela

  • T78.111|

    Other adverse food reaction due to milk and dairy products with reactivity to baked milk

  • T78.111A|

    Other adverse food reaction due to milk and dairy products with reactivity to baked milk, initial encounter

  • T78.111D|

    Other adverse food reaction due to milk and dairy products with reactivity to baked milk, subsequent encounter

  • T78.111S|

    Other adverse food reaction due to milk and dairy products with reactivity to baked milk, sequela

  • T78.119|

    Other adverse food reaction due to milk and dairy products with baked milk tolerance/reactivity, unspecified

  • T78.119A|

    Other adverse food reaction due to milk and dairy products with baked milk tolerance/reactivity, unspecified, initial encounter

  • T78.119D|

    Other adverse food reaction due to milk and dairy products with baked milk tolerance/reactivity, unspecified, subsequent encounter

  • T78.119S|

    Other adverse food reaction due to milk and dairy products with baked milk tolerance/reactivity, unspecified, sequela

  • T78.12|

    Other adverse food reaction due to eggs

  • T78.120|

    Other adverse food reaction due to egg with tolerance to baked egg

  • T78.120A|

    Other adverse food reaction due to egg with tolerance to baked egg, initial encounter

  • T78.120D|

    Other adverse food reaction due to egg with tolerance to baked egg, subsequent encounter

  • T78.120S|

    Other adverse food reaction due to egg with tolerance to baked egg, sequela

  • T78.121|

    Other adverse food reaction due to egg with reactivity to baked egg

  • T78.121A|

    Other adverse food reaction due to egg with reactivity to baked egg, initial encounter

  • T78.121D|

    Other adverse food reaction due to egg with reactivity to baked egg, subsequent encounter

  • T78.121S|

    Other adverse food reaction due to egg with reactivity to baked egg, sequela

  • T78.129|

    Other adverse food reaction due to egg with baked egg tolerance/reactivity, unspecified

  • T78.129A|

    Other adverse food reaction due to egg with baked egg tolerance/reactivity, unspecified, initial encounter

  • T78.129D|

    Other adverse food reaction due to egg with baked egg tolerance/reactivity, unspecified, subsequent encounter

  • T78.129S|

    Other adverse food reaction due to egg with baked egg tolerance/reactivity, unspecified, sequela

  • T78.19|

    Other adverse food reactions, not elsewhere classified

  • T78.19XA|

    Other adverse food reactions, not elsewhere classified, initial encounter

  • T78.19XD|

    Other adverse food reactions, not elsewhere classified, subsequent encounter

  • T78.19XS|

    Other adverse food reactions, not elsewhere classified, sequela

  • T78.2|

    Anaphylactic shock, unspecified

  • T78.2XXA|

    Anaphylactic shock, unspecified, initial encounter

  • T78.2XXD|

    Anaphylactic shock, unspecified, subsequent encounter

  • T78.2XXS|

    Anaphylactic shock, unspecified, sequela

  • T78.3|

    Angioneurotic edema

  • T78.3XXA|

    Angioneurotic edema, initial encounter

  • T78.3XXD|

    Angioneurotic edema, subsequent encounter

  • T78.3XXS|

    Angioneurotic edema, sequela

  • T78.4|

    Other and unspecified allergy

  • T78.40|

    Allergy, unspecified

  • T78.40XA|

    Allergy, unspecified, initial encounter

  • T78.40XD|

    Allergy, unspecified, subsequent encounter

  • T78.40XS|

    Allergy, unspecified, sequela

  • T78.41|

    Arthus phenomenon

  • T78.41XA|

    Arthus phenomenon, initial encounter

  • T78.41XD|

    Arthus phenomenon, subsequent encounter

  • T78.41XS|

    Arthus phenomenon, sequela

  • T78.49|

    Other allergy

  • T78.49XA|

    Other allergy, initial encounter

  • T78.49XD|

    Other allergy, subsequent encounter

  • T78.49XS|

    Other allergy, sequela

  • T78.8|

    Other adverse effects, not elsewhere classified

  • T78.8XXA|

    Other adverse effects, not elsewhere classified, initial encounter

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