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
  • S24.4XXA

    Injury of thoracic sympathetic nervous system, initial encounter

  • S24.4XXD

    Injury of thoracic sympathetic nervous system, subsequent encounter

  • S24.4XXS

    Injury of thoracic sympathetic nervous system, sequela

  • S24.8

    Injury of other specified nerves of thorax

  • S24.8XXA

    Injury of other specified nerves of thorax, initial encounter

  • S24.8XXD

    Injury of other specified nerves of thorax, subsequent encounter

  • S24.8XXS

    Injury of other specified nerves of thorax, sequela

  • S24.9

    Injury of unspecified nerve of thorax

  • S24.9XXA

    Injury of unspecified nerve of thorax, initial encounter

  • S24.9XXD

    Injury of unspecified nerve of thorax, subsequent encounter

  • S24.9XXS

    Injury of unspecified nerve of thorax, sequela

  • S25

    Injury of blood vessels of thorax

  • S25.0

    Injury of thoracic aorta

  • S25.00

    Unspecified injury of thoracic aorta

  • S25.00XA

    Unspecified injury of thoracic aorta, initial encounter

  • S25.00XD

    Unspecified injury of thoracic aorta, subsequent encounter

  • S25.00XS

    Unspecified injury of thoracic aorta, sequela

  • S25.01

    Minor laceration of thoracic aorta

  • S25.01XA

    Minor laceration of thoracic aorta, initial encounter

  • S25.01XD

    Minor laceration of thoracic aorta, subsequent encounter

  • S25.01XS

    Minor laceration of thoracic aorta, sequela

  • S25.02

    Major laceration of thoracic aorta

  • S25.02XA

    Major laceration of thoracic aorta, initial encounter

  • S25.02XD

    Major laceration of thoracic aorta, subsequent encounter

  • S25.02XS

    Major laceration of thoracic aorta, sequela

  • S25.09

    Other specified injury of thoracic aorta

  • S25.09XA

    Other specified injury of thoracic aorta, initial encounter

  • S25.09XD

    Other specified injury of thoracic aorta, subsequent encounter

  • S25.09XS

    Other specified injury of thoracic aorta, sequela

  • S25.1

    Injury of innominate or subclavian artery

  • S25.10

    Unspecified injury of innominate or subclavian artery

  • S25.101

    Unspecified injury of right innominate or subclavian artery

  • S25.101A

    Unspecified injury of right innominate or subclavian artery, initial encounter

  • S25.101D

    Unspecified injury of right innominate or subclavian artery, subsequent encounter

  • S25.101S

    Unspecified injury of right innominate or subclavian artery, sequela

  • S25.102

    Unspecified injury of left innominate or subclavian artery

  • S25.102A

    Unspecified injury of left innominate or subclavian artery, initial encounter

  • S25.102D

    Unspecified injury of left innominate or subclavian artery, subsequent encounter

  • S25.102S

    Unspecified injury of left innominate or subclavian artery, sequela

  • S25.109

    Unspecified injury of unspecified innominate or subclavian artery

  • S25.109A

    Unspecified injury of unspecified innominate or subclavian artery, initial encounter

  • S25.109D

    Unspecified injury of unspecified innominate or subclavian artery, subsequent encounter

  • S25.109S

    Unspecified injury of unspecified innominate or subclavian artery, sequela

  • S25.11

    Minor laceration of innominate or subclavian artery

  • S25.111

    Minor laceration of right innominate or subclavian artery

  • S25.111A

    Minor laceration of right innominate or subclavian artery, initial encounter

  • S25.111D

    Minor laceration of right innominate or subclavian artery, subsequent encounter

  • S25.111S

    Minor laceration of right innominate or subclavian artery, sequela

  • S25.112

    Minor laceration of left innominate or subclavian artery

  • S25.112A

    Minor laceration of left innominate or subclavian artery, initial encounter

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