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
  • S91.243A

    Puncture wound with foreign body of unspecified great toe with damage to nail, initial encounter

  • S91.243D

    Puncture wound with foreign body of unspecified great toe with damage to nail, subsequent encounter

  • S91.243S

    Puncture wound with foreign body of unspecified great toe with damage to nail, sequela

  • S91.244

    Puncture wound with foreign body of right lesser toe(s) with damage to nail

  • S91.244A

    Puncture wound with foreign body of right lesser toe(s) with damage to nail, initial encounter

  • S91.244D

    Puncture wound with foreign body of right lesser toe(s) with damage to nail, subsequent encounter

  • S91.244S

    Puncture wound with foreign body of right lesser toe(s) with damage to nail, sequela

  • S91.245

    Puncture wound with foreign body of left lesser toe(s) with damage to nail

  • S91.245A

    Puncture wound with foreign body of left lesser toe(s) with damage to nail, initial encounter

  • S91.245D

    Puncture wound with foreign body of left lesser toe(s) with damage to nail, subsequent encounter

  • S91.245S

    Puncture wound with foreign body of left lesser toe(s) with damage to nail, sequela

  • S91.246

    Puncture wound with foreign body of unspecified lesser toe(s) with damage to nail

  • S91.246A

    Puncture wound with foreign body of unspecified lesser toe(s) with damage to nail, initial encounter

  • S91.246D

    Puncture wound with foreign body of unspecified lesser toe(s) with damage to nail, subsequent encounter

  • S91.246S

    Puncture wound with foreign body of unspecified lesser toe(s) with damage to nail, sequela

  • S91.249

    Puncture wound with foreign body of unspecified toe(s) with damage to nail

  • S91.249A

    Puncture wound with foreign body of unspecified toe(s) with damage to nail, initial encounter

  • S91.249D

    Puncture wound with foreign body of unspecified toe(s) with damage to nail, subsequent encounter

  • S91.249S

    Puncture wound with foreign body of unspecified toe(s) with damage to nail, sequela

  • S91.25

    Open bite of toe with damage to nail

  • S91.251

    Open bite of right great toe with damage to nail

  • S91.251A

    Open bite of right great toe with damage to nail, initial encounter

  • S91.251D

    Open bite of right great toe with damage to nail, subsequent encounter

  • S91.251S

    Open bite of right great toe with damage to nail, sequela

  • S91.252

    Open bite of left great toe with damage to nail

  • S91.252A

    Open bite of left great toe with damage to nail, initial encounter

  • S91.252D

    Open bite of left great toe with damage to nail, subsequent encounter

  • S91.252S

    Open bite of left great toe with damage to nail, sequela

  • S91.253

    Open bite of unspecified great toe with damage to nail

  • S91.253A

    Open bite of unspecified great toe with damage to nail, initial encounter

  • S91.253D

    Open bite of unspecified great toe with damage to nail, subsequent encounter

  • S91.253S

    Open bite of unspecified great toe with damage to nail, sequela

  • S91.254

    Open bite of right lesser toe(s) with damage to nail

  • S91.254A

    Open bite of right lesser toe(s) with damage to nail, initial encounter

  • S91.254D

    Open bite of right lesser toe(s) with damage to nail, subsequent encounter

  • S91.254S

    Open bite of right lesser toe(s) with damage to nail, sequela

  • S91.255

    Open bite of left lesser toe(s) with damage to nail

  • S91.255A

    Open bite of left lesser toe(s) with damage to nail, initial encounter

  • S91.255D

    Open bite of left lesser toe(s) with damage to nail, subsequent encounter

  • S91.255S

    Open bite of left lesser toe(s) with damage to nail, sequela

  • S91.256

    Open bite of unspecified lesser toe(s) with damage to nail

  • S91.256A

    Open bite of unspecified lesser toe(s) with damage to nail, initial encounter

  • S91.256D

    Open bite of unspecified lesser toe(s) with damage to nail, subsequent encounter

  • S91.256S

    Open bite of unspecified lesser toe(s) with damage to nail, sequela

  • S91.259

    Open bite of unspecified toe(s) with damage to nail

  • S91.259A

    Open bite of unspecified toe(s) with damage to nail, initial encounter

  • S91.259D

    Open bite of unspecified toe(s) with damage to nail, subsequent encounter

  • S91.259S

    Open bite of unspecified toe(s) with damage to nail, sequela

  • S91.3

    Open wound of foot

  • S91.30

    Unspecified open wound of foot

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