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
  • S90.869A

    Insect bite (nonvenomous), unspecified foot, initial encounter

  • S90.869D

    Insect bite (nonvenomous), unspecified foot, subsequent encounter

  • S90.869S

    Insect bite (nonvenomous), unspecified foot, sequela

  • S90.87

    Other superficial bite of foot

  • S90.871

    Other superficial bite of right foot

  • S90.871A

    Other superficial bite of right foot, initial encounter

  • S90.871D

    Other superficial bite of right foot, subsequent encounter

  • S90.871S

    Other superficial bite of right foot, sequela

  • S90.872

    Other superficial bite of left foot

  • S90.872A

    Other superficial bite of left foot, initial encounter

  • S90.872D

    Other superficial bite of left foot, subsequent encounter

  • S90.872S

    Other superficial bite of left foot, sequela

  • S90.879

    Other superficial bite of unspecified foot

  • S90.879A

    Other superficial bite of unspecified foot, initial encounter

  • S90.879D

    Other superficial bite of unspecified foot, subsequent encounter

  • S90.879S

    Other superficial bite of unspecified foot, sequela

  • S90.9

    Unspecified superficial injury of ankle, foot and toe

  • S90.91

    Unspecified superficial injury of ankle

  • S90.911

    Unspecified superficial injury of right ankle

  • S90.911A

    Unspecified superficial injury of right ankle, initial encounter

  • S90.911D

    Unspecified superficial injury of right ankle, subsequent encounter

  • S90.911S

    Unspecified superficial injury of right ankle, sequela

  • S90.912

    Unspecified superficial injury of left ankle

  • S90.912A

    Unspecified superficial injury of left ankle, initial encounter

  • S90.912D

    Unspecified superficial injury of left ankle, subsequent encounter

  • S90.912S

    Unspecified superficial injury of left ankle, sequela

  • S90.919

    Unspecified superficial injury of unspecified ankle

  • S90.919A

    Unspecified superficial injury of unspecified ankle, initial encounter

  • S90.919D

    Unspecified superficial injury of unspecified ankle, subsequent encounter

  • S90.919S

    Unspecified superficial injury of unspecified ankle, sequela

  • S90.92

    Unspecified superficial injury of foot

  • S90.921

    Unspecified superficial injury of right foot

  • S90.921A

    Unspecified superficial injury of right foot, initial encounter

  • S90.921D

    Unspecified superficial injury of right foot, subsequent encounter

  • S90.921S

    Unspecified superficial injury of right foot, sequela

  • S90.922

    Unspecified superficial injury of left foot

  • S90.922A

    Unspecified superficial injury of left foot, initial encounter

  • S90.922D

    Unspecified superficial injury of left foot, subsequent encounter

  • S90.922S

    Unspecified superficial injury of left foot, sequela

  • S90.929

    Unspecified superficial injury of unspecified foot

  • S90.929A

    Unspecified superficial injury of unspecified foot, initial encounter

  • S90.929D

    Unspecified superficial injury of unspecified foot, subsequent encounter

  • S90.929S

    Unspecified superficial injury of unspecified foot, sequela

  • S90.93

    Unspecified superficial injury of toes

  • S90.931

    Unspecified superficial injury of right great toe

  • S90.931A

    Unspecified superficial injury of right great toe, initial encounter

  • S90.931D

    Unspecified superficial injury of right great toe, subsequent encounter

  • S90.931S

    Unspecified superficial injury of right great toe, sequela

  • S90.932

    Unspecified superficial injury of left great toe

  • S90.932A

    Unspecified superficial injury of left great toe, initial encounter

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