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
  • T23.111S

    Burn of first degree of right thumb (nail), sequela

  • T23.112

    Burn of first degree of left thumb (nail)

  • T23.112A

    Burn of first degree of left thumb (nail), initial encounter

  • T23.112D

    Burn of first degree of left thumb (nail), subsequent encounter

  • T23.112S

    Burn of first degree of left thumb (nail), sequela

  • T23.119

    Burn of first degree of unspecified thumb (nail)

  • T23.119A

    Burn of first degree of unspecified thumb (nail), initial encounter

  • T23.119D

    Burn of first degree of unspecified thumb (nail), subsequent encounter

  • T23.119S

    Burn of first degree of unspecified thumb (nail), sequela

  • T23.12

    Burn of first degree of single finger (nail) except thumb

  • T23.121

    Burn of first degree of single right finger (nail) except thumb

  • T23.121A

    Burn of first degree of single right finger (nail) except thumb, initial encounter

  • T23.121D

    Burn of first degree of single right finger (nail) except thumb, subsequent encounter

  • T23.121S

    Burn of first degree of single right finger (nail) except thumb, sequela

  • T23.122

    Burn of first degree of single left finger (nail) except thumb

  • T23.122A

    Burn of first degree of single left finger (nail) except thumb, initial encounter

  • T23.122D

    Burn of first degree of single left finger (nail) except thumb, subsequent encounter

  • T23.122S

    Burn of first degree of single left finger (nail) except thumb, sequela

  • T23.129

    Burn of first degree of unspecified single finger (nail) except thumb

  • T23.129A

    Burn of first degree of unspecified single finger (nail) except thumb, initial encounter

  • T23.129D

    Burn of first degree of unspecified single finger (nail) except thumb, subsequent encounter

  • T23.129S

    Burn of first degree of unspecified single finger (nail) except thumb, sequela

  • T23.13

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

  • T23.131

    Burn of first degree of multiple right fingers (nail), not including thumb

  • T23.131A

    Burn of first degree of multiple right fingers (nail), not including thumb, initial encounter

  • T23.131D

    Burn of first degree of multiple right fingers (nail), not including thumb, subsequent encounter

  • T23.131S

    Burn of first degree of multiple right fingers (nail), not including thumb, sequela

  • T23.132

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

  • T23.132A

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

  • T23.132D

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

  • T23.132S

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

  • T23.139

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

  • T23.139A

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

  • T23.139D

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

  • T23.139S

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

  • T23.14

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

  • T23.141

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

  • T23.141A

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

  • T23.141D

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

  • T23.141S

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

  • T23.142

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

  • T23.142A

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

  • T23.142D

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

  • T23.142S

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

  • T23.149

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

  • T23.149A

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

  • T23.149D

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

  • T23.149S

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

  • T23.15

    Burn of first degree of palm

  • T23.151

    Burn of first degree of right palm

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