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
  • S90.31XA

    Contusion of right foot, initial encounter

  • S90.31XD

    Contusion of right foot, subsequent encounter

  • S90.31XS

    Contusion of right foot, sequela

  • S90.32

    Contusion of left foot

  • S90.32XA

    Contusion of left foot, initial encounter

  • S90.32XD

    Contusion of left foot, subsequent encounter

  • S90.32XS

    Contusion of left foot, sequela

  • S90.4

    Other superficial injuries of toe

  • S90.41

    Abrasion of toe

  • S90.411

    Abrasion, right great toe

  • S90.411A

    Abrasion, right great toe, initial encounter

  • S90.411D

    Abrasion, right great toe, subsequent encounter

  • S90.411S

    Abrasion, right great toe, sequela

  • S90.412

    Abrasion, left great toe

  • S90.412A

    Abrasion, left great toe, initial encounter

  • S90.412D

    Abrasion, left great toe, subsequent encounter

  • S90.412S

    Abrasion, left great toe, sequela

  • S90.413

    Abrasion, unspecified great toe

  • S90.413A

    Abrasion, unspecified great toe, initial encounter

  • S90.413D

    Abrasion, unspecified great toe, subsequent encounter

  • S90.413S

    Abrasion, unspecified great toe, sequela

  • S90.414

    Abrasion, right lesser toe(s)

  • S90.414A

    Abrasion, right lesser toe(s), initial encounter

  • S90.414D

    Abrasion, right lesser toe(s), subsequent encounter

  • S90.414S

    Abrasion, right lesser toe(s), sequela

  • S90.415

    Abrasion, left lesser toe(s)

  • S90.415A

    Abrasion, left lesser toe(s), initial encounter

  • S90.415D

    Abrasion, left lesser toe(s), subsequent encounter

  • S90.415S

    Abrasion, left lesser toe(s), sequela

  • S90.416

    Abrasion, unspecified lesser toe(s)

  • S90.416A

    Abrasion, unspecified lesser toe(s), initial encounter

  • S90.416D

    Abrasion, unspecified lesser toe(s), subsequent encounter

  • S90.416S

    Abrasion, unspecified lesser toe(s), sequela

  • S90.42

    Blister (nonthermal) of toe

  • S90.421

    Blister (nonthermal), right great toe

  • S90.421A

    Blister (nonthermal), right great toe, initial encounter

  • S90.421D

    Blister (nonthermal), right great toe, subsequent encounter

  • S90.421S

    Blister (nonthermal), right great toe, sequela

  • S90.422

    Blister (nonthermal), left great toe

  • S90.422A

    Blister (nonthermal), left great toe, initial encounter

  • S90.422D

    Blister (nonthermal), left great toe, subsequent encounter

  • S90.422S

    Blister (nonthermal), left great toe, sequela

  • S90.423

    Blister (nonthermal), unspecified great toe

  • S90.423A

    Blister (nonthermal), unspecified great toe, initial encounter

  • S90.423D

    Blister (nonthermal), unspecified great toe, subsequent encounter

  • S90.423S

    Blister (nonthermal), unspecified great toe, sequela

  • S90.424

    Blister (nonthermal), right lesser toe(s)

  • S90.424A

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

  • S90.424D

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

  • S90.424S

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

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