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
  • S99.292B

    Other physeal fracture of phalanx of left toe, initial encounter for open fracture

  • S99.292D

    Other physeal fracture of phalanx of left toe, subsequent encounter for fracture with routine healing

  • S99.292G

    Other physeal fracture of phalanx of left toe, subsequent encounter for fracture with delayed healing

  • S99.292K

    Other physeal fracture of phalanx of left toe, subsequent encounter for fracture with nonunion

  • S99.292P

    Other physeal fracture of phalanx of left toe, subsequent encounter for fracture with malunion

  • S99.292S

    Other physeal fracture of phalanx of left toe, sequela

  • S99.299

    Other physeal fracture of phalanx of unspecified toe

  • S99.299A

    Other physeal fracture of phalanx of unspecified toe, initial encounter for closed fracture

  • S99.299B

    Other physeal fracture of phalanx of unspecified toe, initial encounter for open fracture

  • S99.299D

    Other physeal fracture of phalanx of unspecified toe, subsequent encounter for fracture with routine healing

  • S99.299G

    Other physeal fracture of phalanx of unspecified toe, subsequent encounter for fracture with delayed healing

  • S99.299K

    Other physeal fracture of phalanx of unspecified toe, subsequent encounter for fracture with nonunion

  • S99.299P

    Other physeal fracture of phalanx of unspecified toe, subsequent encounter for fracture with malunion

  • S99.299S

    Other physeal fracture of phalanx of unspecified toe, sequela

  • S99.8

    Other specified injuries of ankle and foot

  • S99.81

    Other specified injuries of ankle

  • S99.811

    Other specified injuries of right ankle

  • S99.811A

    Other specified injuries of right ankle, initial encounter

  • S99.811D

    Other specified injuries of right ankle, subsequent encounter

  • S99.811S

    Other specified injuries of right ankle, sequela

  • S99.812

    Other specified injuries of left ankle

  • S99.812A

    Other specified injuries of left ankle, initial encounter

  • S99.812D

    Other specified injuries of left ankle, subsequent encounter

  • S99.812S

    Other specified injuries of left ankle, sequela

  • S99.819

    Other specified injuries of unspecified ankle

  • S99.819A

    Other specified injuries of unspecified ankle, initial encounter

  • S99.819D

    Other specified injuries of unspecified ankle, subsequent encounter

  • S99.819S

    Other specified injuries of unspecified ankle, sequela

  • S99.82

    Other specified injuries of foot

  • S99.821

    Other specified injuries of right foot

  • S99.821A

    Other specified injuries of right foot, initial encounter

  • S99.821D

    Other specified injuries of right foot, subsequent encounter

  • S99.821S

    Other specified injuries of right foot, sequela

  • S99.822

    Other specified injuries of left foot

  • S99.822A

    Other specified injuries of left foot, initial encounter

  • S99.822D

    Other specified injuries of left foot, subsequent encounter

  • S99.822S

    Other specified injuries of left foot, sequela

  • S99.829

    Other specified injuries of unspecified foot

  • S99.829A

    Other specified injuries of unspecified foot, initial encounter

  • S99.829D

    Other specified injuries of unspecified foot, subsequent encounter

  • S99.829S

    Other specified injuries of unspecified foot, sequela

  • S99.9

    Unspecified injury of ankle and foot

  • S99.91

    Unspecified injury of ankle

  • S99.911

    Unspecified injury of right ankle

  • S99.911A

    Unspecified injury of right ankle, initial encounter

  • S99.911D

    Unspecified injury of right ankle, subsequent encounter

  • S99.911S

    Unspecified injury of right ankle, sequela

  • S99.912

    Unspecified injury of left ankle

  • S99.912A

    Unspecified injury of left ankle, initial encounter

  • S99.912D

    Unspecified injury of left ankle, subsequent encounter

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