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
  • S91.152A

    Open bite of left great toe without damage to nail, initial encounter

  • S91.152D

    Open bite of left great toe without damage to nail, subsequent encounter

  • S91.152S

    Open bite of left great toe without damage to nail, sequela

  • S91.153

    Open bite of unspecified great toe without damage to nail

  • S91.153A

    Open bite of unspecified great toe without damage to nail, initial encounter

  • S91.153D

    Open bite of unspecified great toe without damage to nail, subsequent encounter

  • S91.153S

    Open bite of unspecified great toe without damage to nail, sequela

  • S91.154

    Open bite of right lesser toe(s) without damage to nail

  • S91.154A

    Open bite of right lesser toe(s) without damage to nail, initial encounter

  • S91.154D

    Open bite of right lesser toe(s) without damage to nail, subsequent encounter

  • S91.154S

    Open bite of right lesser toe(s) without damage to nail, sequela

  • S91.155

    Open bite of left lesser toe(s) without damage to nail

  • S91.155A

    Open bite of left lesser toe(s) without damage to nail, initial encounter

  • S91.155D

    Open bite of left lesser toe(s) without damage to nail, subsequent encounter

  • S91.155S

    Open bite of left lesser toe(s) without damage to nail, sequela

  • S91.156

    Open bite of unspecified lesser toe(s) without damage to nail

  • S91.156A

    Open bite of unspecified lesser toe(s) without damage to nail, initial encounter

  • S91.156D

    Open bite of unspecified lesser toe(s) without damage to nail, subsequent encounter

  • S91.156S

    Open bite of unspecified lesser toe(s) without damage to nail, sequela

  • S91.159

    Open bite of unspecified toe(s) without damage to nail

  • S91.159A

    Open bite of unspecified toe(s) without damage to nail, initial encounter

  • S91.159D

    Open bite of unspecified toe(s) without damage to nail, subsequent encounter

  • S91.159S

    Open bite of unspecified toe(s) without damage to nail, sequela

  • S91.2

    Open wound of toe with damage to nail

  • S91.20

    Unspecified open wound of toe with damage to nail

  • S91.201

    Unspecified open wound of right great toe with damage to nail

  • S91.201A

    Unspecified open wound of right great toe with damage to nail, initial encounter

  • S91.201D

    Unspecified open wound of right great toe with damage to nail, subsequent encounter

  • S91.201S

    Unspecified open wound of right great toe with damage to nail, sequela

  • S91.202

    Unspecified open wound of left great toe with damage to nail

  • S91.202A

    Unspecified open wound of left great toe with damage to nail, initial encounter

  • S91.202D

    Unspecified open wound of left great toe with damage to nail, subsequent encounter

  • S91.202S

    Unspecified open wound of left great toe with damage to nail, sequela

  • S91.203

    Unspecified open wound of unspecified great toe with damage to nail

  • S91.203A

    Unspecified open wound of unspecified great toe with damage to nail, initial encounter

  • S91.203D

    Unspecified open wound of unspecified great toe with damage to nail, subsequent encounter

  • S91.203S

    Unspecified open wound of unspecified great toe with damage to nail, sequela

  • S91.204

    Unspecified open wound of right lesser toe(s) with damage to nail

  • S91.204A

    Unspecified open wound of right lesser toe(s) with damage to nail, initial encounter

  • S91.204D

    Unspecified open wound of right lesser toe(s) with damage to nail, subsequent encounter

  • S91.204S

    Unspecified open wound of right lesser toe(s) with damage to nail, sequela

  • S91.205

    Unspecified open wound of left lesser toe(s) with damage to nail

  • S91.205A

    Unspecified open wound of left lesser toe(s) with damage to nail, initial encounter

  • S91.205D

    Unspecified open wound of left lesser toe(s) with damage to nail, subsequent encounter

  • S91.205S

    Unspecified open wound of left lesser toe(s) with damage to nail, sequela

  • S91.206

    Unspecified open wound of unspecified lesser toe(s) with damage to nail

  • S91.206A

    Unspecified open wound of unspecified lesser toe(s) with damage to nail, initial encounter

  • S91.206D

    Unspecified open wound of unspecified lesser toe(s) with damage to nail, subsequent encounter

  • S91.206S

    Unspecified open wound of unspecified lesser toe(s) with damage to nail, sequela

  • S91.209

    Unspecified open wound of unspecified toe(s) with damage to nail

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