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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  • T23.532A—

    Corrosion of first degree of multiple left fingers (nail), not including thumb, initial encounter

  • T23.532D—

    Corrosion of first degree of multiple left fingers (nail), not including thumb, subsequent encounter

  • T23.532S—

    Corrosion of first degree of multiple left fingers (nail), not including thumb, sequela

  • T23.539—

    Corrosion of first degree of unspecified multiple fingers (nail), not including thumb

  • T23.539A—

    Corrosion of first degree of unspecified multiple fingers (nail), not including thumb, initial encounter

  • T23.539D—

    Corrosion of first degree of unspecified multiple fingers (nail), not including thumb, subsequent encounter

  • T23.539S—

    Corrosion of first degree of unspecified multiple fingers (nail), not including thumb, sequela

  • T23.54—

    Corrosion of first degree of multiple fingers (nail), including thumb

  • T23.541—

    Corrosion of first degree of multiple right fingers (nail), including thumb

  • T23.541A—

    Corrosion of first degree of multiple right fingers (nail), including thumb, initial encounter

  • T23.541D—

    Corrosion of first degree of multiple right fingers (nail), including thumb, subsequent encounter

  • T23.541S—

    Corrosion of first degree of multiple right fingers (nail), including thumb, sequela

  • T23.542—

    Corrosion of first degree of multiple left fingers (nail), including thumb

  • T23.542A—

    Corrosion of first degree of multiple left fingers (nail), including thumb, initial encounter

  • T23.542D—

    Corrosion of first degree of multiple left fingers (nail), including thumb, subsequent encounter

  • T23.542S—

    Corrosion of first degree of multiple left fingers (nail), including thumb, sequela

  • T23.549—

    Corrosion of first degree of unspecified multiple fingers (nail), including thumb

  • T23.549A—

    Corrosion of first degree of unspecified multiple fingers (nail), including thumb, initial encounter

  • T23.549D—

    Corrosion of first degree of unspecified multiple fingers (nail), including thumb, subsequent encounter

  • T23.549S—

    Corrosion of first degree of unspecified multiple fingers (nail), including thumb, sequela

  • T23.55—

    Corrosion of first degree of palm

  • T23.551—

    Corrosion of first degree of right palm

  • T23.551A—

    Corrosion of first degree of right palm, initial encounter

  • T23.551D—

    Corrosion of first degree of right palm, subsequent encounter

  • T23.551S—

    Corrosion of first degree of right palm, sequela

  • T23.552—

    Corrosion of first degree of left palm

  • T23.552A—

    Corrosion of first degree of left palm, initial encounter

  • T23.552D—

    Corrosion of first degree of left palm, subsequent encounter

  • T23.552S—

    Corrosion of first degree of left palm, sequela

  • T23.559—

    Corrosion of first degree of unspecified palm

  • T23.559A—

    Corrosion of first degree of unspecified palm, initial encounter

  • T23.559D—

    Corrosion of first degree of unspecified palm, subsequent encounter

  • T23.559S—

    Corrosion of first degree of unspecified palm, sequela

  • T23.56—

    Corrosion of first degree of back of hand

  • T23.561—

    Corrosion of first degree of back of right hand

  • T23.561A—

    Corrosion of first degree of back of right hand, initial encounter

  • T23.561D—

    Corrosion of first degree of back of right hand, subsequent encounter

  • T23.561S—

    Corrosion of first degree of back of right hand, sequela

  • T23.562—

    Corrosion of first degree of back of left hand

  • T23.562A—

    Corrosion of first degree of back of left hand, initial encounter

  • T23.562D—

    Corrosion of first degree of back of left hand, subsequent encounter

  • T23.562S—

    Corrosion of first degree of back of left hand, sequela

  • T23.569—

    Corrosion of first degree of back of unspecified hand

  • T23.569A—

    Corrosion of first degree of back of unspecified hand, initial encounter

  • T23.569D—

    Corrosion of first degree of back of unspecified hand, subsequent encounter

  • T23.569S—

    Corrosion of first degree of back of unspecified hand, sequela

  • T23.57—

    Corrosion of first degree of wrist

  • T23.571—

    Corrosion of first degree of right wrist

  • T23.571A—

    Corrosion of first degree of right wrist, initial encounter

  • T23.571D—

    Corrosion of first degree of right wrist, subsequent encounter

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