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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  • T20.57XS—

    Corrosion of first degree of neck, sequela

  • T20.59—

    Corrosion of first degree of multiple sites of head, face, and neck

  • T20.59XA—

    Corrosion of first degree of multiple sites of head, face, and neck, initial encounter

  • T20.59XD—

    Corrosion of first degree of multiple sites of head, face, and neck, subsequent encounter

  • T20.59XS—

    Corrosion of first degree of multiple sites of head, face, and neck, sequela

  • T20.6—

    Corrosion of second degree of head, face, and neck

  • T20.60—

    Corrosion of second degree of head, face, and neck, unspecified site

  • T20.60XA—

    Corrosion of second degree of head, face, and neck, unspecified site, initial encounter

  • T20.60XD—

    Corrosion of second degree of head, face, and neck, unspecified site, subsequent encounter

  • T20.60XS—

    Corrosion of second degree of head, face, and neck, unspecified site, sequela

  • T20.61—

    Corrosion of second degree of ear [any part, except ear drum]

  • T20.611—

    Corrosion of second degree of right ear [any part, except ear drum]

  • T20.611A—

    Corrosion of second degree of right ear [any part, except ear drum], initial encounter

  • T20.611D—

    Corrosion of second degree of right ear [any part, except ear drum], subsequent encounter

  • T20.611S—

    Corrosion of second degree of right ear [any part, except ear drum], sequela

  • T20.612—

    Corrosion of second degree of left ear [any part, except ear drum]

  • T20.612A—

    Corrosion of second degree of left ear [any part, except ear drum], initial encounter

  • T20.612D—

    Corrosion of second degree of left ear [any part, except ear drum], subsequent encounter

  • T20.612S—

    Corrosion of second degree of left ear [any part, except ear drum], sequela

  • T20.619—

    Corrosion of second degree of unspecified ear [any part, except ear drum]

  • T20.619A—

    Corrosion of second degree of unspecified ear [any part, except ear drum], initial encounter

  • T20.619D—

    Corrosion of second degree of unspecified ear [any part, except ear drum], subsequent encounter

  • T20.619S—

    Corrosion of second degree of unspecified ear [any part, except ear drum], sequela

  • T20.62—

    Corrosion of second degree of lip(s)

  • T20.62XA—

    Corrosion of second degree of lip(s), initial encounter

  • T20.62XD—

    Corrosion of second degree of lip(s), subsequent encounter

  • T20.62XS—

    Corrosion of second degree of lip(s), sequela

  • T20.63—

    Corrosion of second degree of chin

  • T20.63XA—

    Corrosion of second degree of chin, initial encounter

  • T20.63XD—

    Corrosion of second degree of chin, subsequent encounter

  • T20.63XS—

    Corrosion of second degree of chin, sequela

  • T20.64—

    Corrosion of second degree of nose (septum)

  • T20.64XA—

    Corrosion of second degree of nose (septum), initial encounter

  • T20.64XD—

    Corrosion of second degree of nose (septum), subsequent encounter

  • T20.64XS—

    Corrosion of second degree of nose (septum), sequela

  • T20.65—

    Corrosion of second degree of scalp [any part]

  • T20.65XA—

    Corrosion of second degree of scalp [any part], initial encounter

  • T20.65XD—

    Corrosion of second degree of scalp [any part], subsequent encounter

  • T20.65XS—

    Corrosion of second degree of scalp [any part], sequela

  • T20.66—

    Corrosion of second degree of forehead and cheek

  • T20.66XA—

    Corrosion of second degree of forehead and cheek, initial encounter

  • T20.66XD—

    Corrosion of second degree of forehead and cheek, subsequent encounter

  • T20.66XS—

    Corrosion of second degree of forehead and cheek, sequela

  • T20.67—

    Corrosion of second degree of neck

  • T20.67XA—

    Corrosion of second degree of neck, initial encounter

  • T20.67XD—

    Corrosion of second degree of neck, subsequent encounter

  • T20.67XS—

    Corrosion of second degree of neck, sequela

  • T20.69—

    Corrosion of second degree of multiple sites of head, face, and neck

  • T20.69XA—

    Corrosion of second degree of multiple sites of head, face, and neck, initial encounter

  • T20.69XD—

    Corrosion of second degree of multiple sites of head, face, and neck, subsequent encounter

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