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
  • 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

  • S00.441

    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

  • S00.451

    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

  • S00.459S

    Superficial foreign body of unspecified ear, sequela

  • S00.461

    Insect bite (nonvenomous) of right ear

  • S00.461A

    Insect bite (nonvenomous) of right ear, initial encounter

  • S00.461D

    Insect bite (nonvenomous) of right ear, subsequent encounter

  • S00.461S

    Insect bite (nonvenomous) of right ear, sequela

  • S00.462

    Insect bite (nonvenomous) of left ear

  • S00.462A

    Insect bite (nonvenomous) of left ear, initial encounter

  • S00.462D

    Insect bite (nonvenomous) of left ear, subsequent encounter

  • S00.462S

    Insect bite (nonvenomous) of left ear, sequela

  • S00.469

    Insect bite (nonvenomous) of unspecified ear

  • S00.469A

    Insect bite (nonvenomous) of unspecified ear, initial encounter

  • S00.469D

    Insect bite (nonvenomous) of unspecified ear, subsequent encounter

  • S00.469S

    Insect bite (nonvenomous) of unspecified ear, sequela

  • S00.471

    Other superficial bite of right ear

  • S00.471A

    Other superficial bite of right ear, initial encounter

  • S00.471D

    Other superficial bite of right ear, subsequent encounter

  • S00.471S

    Other superficial bite of right ear, sequela

  • S00.472

    Other superficial bite of left ear

  • S00.472A

    Other superficial bite of left ear, initial encounter

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