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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  • T33.8—

    Superficial frostbite of ankle, foot, and toe(s)

  • T33.81—

    Superficial frostbite of ankle

  • T33.811—

    Superficial frostbite of right ankle

  • T33.811A—

    Superficial frostbite of right ankle, initial encounter

  • T33.811D—

    Superficial frostbite of right ankle, subsequent encounter

  • T33.811S—

    Superficial frostbite of right ankle, sequela

  • T33.812—

    Superficial frostbite of left ankle

  • T33.812A—

    Superficial frostbite of left ankle, initial encounter

  • T33.812D—

    Superficial frostbite of left ankle, subsequent encounter

  • T33.812S—

    Superficial frostbite of left ankle, sequela

  • T33.819—

    Superficial frostbite of unspecified ankle

  • T33.819A—

    Superficial frostbite of unspecified ankle, initial encounter

  • T33.819D—

    Superficial frostbite of unspecified ankle, subsequent encounter

  • T33.819S—

    Superficial frostbite of unspecified ankle, sequela

  • T33.82—

    Superficial frostbite of foot

  • T33.821—

    Superficial frostbite of right foot

  • T33.821A—

    Superficial frostbite of right foot, initial encounter

  • T33.821D—

    Superficial frostbite of right foot, subsequent encounter

  • T33.821S—

    Superficial frostbite of right foot, sequela

  • T33.822—

    Superficial frostbite of left foot

  • T33.822A—

    Superficial frostbite of left foot, initial encounter

  • T33.822D—

    Superficial frostbite of left foot, subsequent encounter

  • T33.822S—

    Superficial frostbite of left foot, sequela

  • T33.829—

    Superficial frostbite of unspecified foot

  • T33.829A—

    Superficial frostbite of unspecified foot, initial encounter

  • T33.829D—

    Superficial frostbite of unspecified foot, subsequent encounter

  • T33.829S—

    Superficial frostbite of unspecified foot, sequela

  • T33.83—

    Superficial frostbite of toe(s)

  • T33.831—

    Superficial frostbite of right toe(s)

  • T33.831A—

    Superficial frostbite of right toe(s), initial encounter

  • T33.831D—

    Superficial frostbite of right toe(s), subsequent encounter

  • T33.831S—

    Superficial frostbite of right toe(s), sequela

  • T33.832—

    Superficial frostbite of left toe(s)

  • T33.832A—

    Superficial frostbite of left toe(s), initial encounter

  • T33.832D—

    Superficial frostbite of left toe(s), subsequent encounter

  • T33.832S—

    Superficial frostbite of left toe(s), sequela

  • T33.839—

    Superficial frostbite of unspecified toe(s)

  • T33.839A—

    Superficial frostbite of unspecified toe(s), initial encounter

  • T33.839D—

    Superficial frostbite of unspecified toe(s), subsequent encounter

  • T33.839S—

    Superficial frostbite of unspecified toe(s), sequela

  • T33.9—

    Superficial frostbite of other and unspecified sites

  • T33.90—

    Superficial frostbite of unspecified sites

  • T33.90XA—

    Superficial frostbite of unspecified sites, initial encounter

  • T33.90XD—

    Superficial frostbite of unspecified sites, subsequent encounter

  • T33.90XS—

    Superficial frostbite of unspecified sites, sequela

  • T33.99—

    Superficial frostbite of other sites

  • T33.99XA—

    Superficial frostbite of other sites, initial encounter

  • T33.99XD—

    Superficial frostbite of other sites, subsequent encounter

  • T33.99XS—

    Superficial frostbite of other sites, sequela

  • T34—

    Frostbite with tissue necrosis

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