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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  • S00.421—

    Blister (nonthermal) of right ear

  • S00.421A—

    Blister (nonthermal) of right ear, initial encounter

  • S00.421D—

    Blister (nonthermal) of right ear, subsequent encounter

  • S00.421S—

    Blister (nonthermal) of right ear, sequela

  • S00.422—

    Blister (nonthermal) of left ear

  • S00.422A—

    Blister (nonthermal) of left ear, initial encounter

  • S00.422D—

    Blister (nonthermal) of left ear, subsequent encounter

  • S00.422S—

    Blister (nonthermal) of left ear, sequela

  • S00.429—

    Blister (nonthermal) of unspecified ear

  • S00.429A—

    Blister (nonthermal) of unspecified ear, initial encounter

  • S00.429D—

    Blister (nonthermal) of unspecified ear, subsequent encounter

  • S00.429S—

    Blister (nonthermal) of unspecified ear, sequela

  • S00.43—

    Contusion of ear

  • S00.431—

    Contusion of right ear

  • S00.431A—

    Contusion of right ear, initial encounter

  • S00.431D—

    Contusion of right ear, subsequent encounter

  • S00.431S—

    Contusion of right ear, sequela

  • S00.432—

    Contusion of left ear

  • S00.432A—

    Contusion of left ear, initial encounter

  • S00.432D—

    Contusion of left ear, subsequent encounter

  • S00.432S—

    Contusion of left ear, sequela

  • S00.439—

    Contusion of unspecified ear

  • S00.439A—

    Contusion of unspecified ear, initial encounter

  • S00.439D—

    Contusion of unspecified ear, subsequent encounter

  • S00.439S—

    Contusion of unspecified ear, sequela

  • S00.44—

    External constriction of ear

  • S00.441—

    External constriction of right ear

  • S00.441A—

    External constriction of right ear, initial encounter

  • S00.441D—

    External constriction of right ear, subsequent encounter

  • S00.441S—

    External constriction of right ear, sequela

  • S00.442—

    External constriction of left ear

  • S00.442A—

    External constriction of left ear, initial encounter

  • S00.442D—

    External constriction of left ear, subsequent encounter

  • S00.442S—

    External constriction of left ear, sequela

  • S00.449—

    External constriction of unspecified ear

  • S00.449A—

    External constriction of unspecified ear, initial encounter

  • S00.449D—

    External constriction of unspecified ear, subsequent encounter

  • S00.449S—

    External constriction of unspecified ear, sequela

  • S00.45—

    Superficial foreign body of ear

  • S00.451—

    Superficial foreign body of right ear

  • S00.451A—

    Superficial foreign body of right ear, initial encounter

  • S00.451D—

    Superficial foreign body of right ear, subsequent encounter

  • S00.451S—

    Superficial foreign body of right ear, sequela

  • S00.452—

    Superficial foreign body of left ear

  • S00.452A—

    Superficial foreign body of left ear, initial encounter

  • S00.452D—

    Superficial foreign body of left ear, subsequent encounter

  • S00.452S—

    Superficial foreign body of left ear, sequela

  • S00.459—

    Superficial foreign body of unspecified ear

  • S00.459A—

    Superficial foreign body of unspecified ear, initial encounter

  • S00.459D—

    Superficial foreign body of unspecified ear, subsequent encounter

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