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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  • T23.621—

    Corrosion of second degree of single right finger (nail) except thumb

  • T23.621A—

    Corrosion of second degree of single right finger (nail) except thumb, initial encounter

  • T23.621D—

    Corrosion of second degree of single right finger (nail) except thumb, subsequent encounter

  • T23.621S—

    Corrosion of second degree of single right finger (nail) except thumb, sequela

  • T23.622—

    Corrosion of second degree of single left finger (nail) except thumb

  • T23.622A—

    Corrosion of second degree of single left finger (nail) except thumb, initial encounter

  • T23.622D—

    Corrosion of second degree of single left finger (nail) except thumb, subsequent encounter

  • T23.622S—

    Corrosion of second degree of single left finger (nail) except thumb, sequela

  • T23.629—

    Corrosion of second degree of unspecified single finger (nail) except thumb

  • T23.629A—

    Corrosion of second degree of unspecified single finger (nail) except thumb, initial encounter

  • T23.629D—

    Corrosion of second degree of unspecified single finger (nail) except thumb, subsequent encounter

  • T23.629S—

    Corrosion of second degree of unspecified single finger (nail) except thumb, sequela

  • T23.63—

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

  • T23.631—

    Corrosion of second degree of multiple right fingers (nail), not including thumb

  • T23.631A—

    Corrosion of second degree of multiple right fingers (nail), not including thumb, initial encounter

  • T23.631D—

    Corrosion of second degree of multiple right fingers (nail), not including thumb, subsequent encounter

  • T23.631S—

    Corrosion of second degree of multiple right fingers (nail), not including thumb, sequela

  • T23.632—

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

  • T23.632A—

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

  • T23.632D—

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

  • T23.632S—

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

  • T23.639—

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

  • T23.639A—

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

  • T23.639D—

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

  • T23.639S—

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

  • T23.64—

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

  • T23.641—

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

  • T23.641A—

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

  • T23.641D—

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

  • T23.641S—

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

  • T23.642—

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

  • T23.642A—

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

  • T23.642D—

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

  • T23.642S—

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

  • T23.649—

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

  • T23.649A—

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

  • T23.649D—

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

  • T23.649S—

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

  • T23.65—

    Corrosion of second degree of palm

  • T23.651—

    Corrosion of second degree of right palm

  • T23.651A—

    Corrosion of second degree of right palm, initial encounter

  • T23.651D—

    Corrosion of second degree of right palm, subsequent encounter

  • T23.651S—

    Corrosion of second degree of right palm, sequela

  • T23.652—

    Corrosion of second degree of left palm

  • T23.652A—

    Corrosion of second degree of left palm, initial encounter

  • T23.652D—

    Corrosion of second degree of left palm, subsequent encounter

  • T23.652S—

    Corrosion of second degree of left palm, sequela

  • T23.659—

    Corrosion of second degree of unspecified palm

  • T23.659A—

    Corrosion of second degree of unspecified palm, initial encounter

  • T23.659D—

    Corrosion of second degree of unspecified palm, subsequent encounter

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