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
  • T25.691S

    Corrosion of second degree of right ankle and foot, sequela

  • T25.692

    Corrosion of second degree of left ankle and foot

  • T25.692A

    Corrosion of second degree of left ankle and foot, initial encounter

  • T25.692D

    Corrosion of second degree of left ankle and foot, subsequent encounter

  • T25.692S

    Corrosion of second degree of left ankle and foot, sequela

  • T25.699

    Corrosion of second degree of unspecified ankle and foot

  • T25.699A

    Corrosion of second degree of unspecified ankle and foot, initial encounter

  • T25.699D

    Corrosion of second degree of unspecified ankle and foot, subsequent encounter

  • T25.699S

    Corrosion of second degree of unspecified ankle and foot, sequela

  • T25.7

    Corrosion of third degree of ankle and foot

  • T25.71

    Corrosion of third degree of ankle

  • T25.711

    Corrosion of third degree of right ankle

  • T25.711A

    Corrosion of third degree of right ankle, initial encounter

  • T25.711D

    Corrosion of third degree of right ankle, subsequent encounter

  • T25.711S

    Corrosion of third degree of right ankle, sequela

  • T25.712

    Corrosion of third degree of left ankle

  • T25.712A

    Corrosion of third degree of left ankle, initial encounter

  • T25.712D

    Corrosion of third degree of left ankle, subsequent encounter

  • T25.712S

    Corrosion of third degree of left ankle, sequela

  • T25.719

    Corrosion of third degree of unspecified ankle

  • T25.719A

    Corrosion of third degree of unspecified ankle, initial encounter

  • T25.719D

    Corrosion of third degree of unspecified ankle, subsequent encounter

  • T25.719S

    Corrosion of third degree of unspecified ankle, sequela

  • T25.72

    Corrosion of third degree of foot

  • T25.721

    Corrosion of third degree of right foot

  • T25.721A

    Corrosion of third degree of right foot, initial encounter

  • T25.721D

    Corrosion of third degree of right foot, subsequent encounter

  • T25.721S

    Corrosion of third degree of right foot, sequela

  • T25.722

    Corrosion of third degree of left foot

  • T25.722A

    Corrosion of third degree of left foot, initial encounter

  • T25.722D

    Corrosion of third degree of left foot, subsequent encounter

  • T25.722S

    Corrosion of third degree of left foot, sequela

  • T25.729

    Corrosion of third degree of unspecified foot

  • T25.729A

    Corrosion of third degree of unspecified foot, initial encounter

  • T25.729D

    Corrosion of third degree of unspecified foot, subsequent encounter

  • T25.729S

    Corrosion of third degree of unspecified foot, sequela

  • T25.73

    Corrosion of third degree of toe(s) (nail)

  • T25.731

    Corrosion of third degree of right toe(s) (nail)

  • T25.731A

    Corrosion of third degree of right toe(s) (nail), initial encounter

  • T25.731D

    Corrosion of third degree of right toe(s) (nail), subsequent encounter

  • T25.731S

    Corrosion of third degree of right toe(s) (nail), sequela

  • T25.732

    Corrosion of third degree of left toe(s) (nail)

  • T25.732A

    Corrosion of third degree of left toe(s) (nail), initial encounter

  • T25.732D

    Corrosion of third degree of left toe(s) (nail), subsequent encounter

  • T25.732S

    Corrosion of third degree of left toe(s) (nail), sequela

  • T25.739

    Corrosion of third degree of unspecified toe(s) (nail)

  • T25.739A

    Corrosion of third degree of unspecified toe(s) (nail), initial encounter

  • T25.739D

    Corrosion of third degree of unspecified toe(s) (nail), subsequent encounter

  • T25.739S

    Corrosion of third degree of unspecified toe(s) (nail), sequela

  • T25.79

    Corrosion of third degree of multiple sites of ankle and foot

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