All ICD10 Codes
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.-)
All CodesBillable Only
Internal Codes
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  • S90.425—

    Blister (nonthermal), left lesser toe(s)

  • S90.425A—

    Blister (nonthermal), left lesser toe(s), initial encounter

  • S90.425D—

    Blister (nonthermal), left lesser toe(s), subsequent encounter

  • S90.425S—

    Blister (nonthermal), left lesser toe(s), sequela

  • S90.426—

    Blister (nonthermal), unspecified lesser toe(s)

  • S90.426A—

    Blister (nonthermal), unspecified lesser toe(s), initial encounter

  • S90.426D—

    Blister (nonthermal), unspecified lesser toe(s), subsequent encounter

  • S90.426S—

    Blister (nonthermal), unspecified lesser toe(s), sequela

  • S90.44—

    External constriction of toe

  • S90.441—

    External constriction, right great toe

  • S90.441A—

    External constriction, right great toe, initial encounter

  • S90.441D—

    External constriction, right great toe, subsequent encounter

  • S90.441S—

    External constriction, right great toe, sequela

  • S90.442—

    External constriction, left great toe

  • S90.442A—

    External constriction, left great toe, initial encounter

  • S90.442D—

    External constriction, left great toe, subsequent encounter

  • S90.442S—

    External constriction, left great toe, sequela

  • S90.443—

    External constriction, unspecified great toe

  • S90.443A—

    External constriction, unspecified great toe, initial encounter

  • S90.443D—

    External constriction, unspecified great toe, subsequent encounter

  • S90.443S—

    External constriction, unspecified great toe, sequela

  • S90.444—

    External constriction, right lesser toe(s)

  • S90.444A—

    External constriction, right lesser toe(s), initial encounter

  • S90.444D—

    External constriction, right lesser toe(s), subsequent encounter

  • S90.444S—

    External constriction, right lesser toe(s), sequela

  • S90.445—

    External constriction, left lesser toe(s)

  • S90.445A—

    External constriction, left lesser toe(s), initial encounter

  • S90.445D—

    External constriction, left lesser toe(s), subsequent encounter

  • S90.445S—

    External constriction, left lesser toe(s), sequela

  • S90.446—

    External constriction, unspecified lesser toe(s)

  • S90.446A—

    External constriction, unspecified lesser toe(s), initial encounter

  • S90.446D—

    External constriction, unspecified lesser toe(s), subsequent encounter

  • S90.446S—

    External constriction, unspecified lesser toe(s), sequela

  • S90.45—

    Superficial foreign body of toe

  • S90.451—

    Superficial foreign body, right great toe

  • S90.451A—

    Superficial foreign body, right great toe, initial encounter

  • S90.451D—

    Superficial foreign body, right great toe, subsequent encounter

  • S90.451S—

    Superficial foreign body, right great toe, sequela

  • S90.452—

    Superficial foreign body, left great toe

  • S90.452A—

    Superficial foreign body, left great toe, initial encounter

  • S90.452D—

    Superficial foreign body, left great toe, subsequent encounter

  • S90.452S—

    Superficial foreign body, left great toe, sequela

  • S90.453—

    Superficial foreign body, unspecified great toe

  • S90.453A—

    Superficial foreign body, unspecified great toe, initial encounter

  • S90.453D—

    Superficial foreign body, unspecified great toe, subsequent encounter

  • S90.453S—

    Superficial foreign body, unspecified great toe, sequela

  • S90.454—

    Superficial foreign body, right lesser toe(s)

  • S90.454A—

    Superficial foreign body, right lesser toe(s), initial encounter

  • S90.454D—

    Superficial foreign body, right lesser toe(s), subsequent encounter

  • S90.454S—

    Superficial foreign body, right lesser toe(s), sequela

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