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
  • S23.121D

    Dislocation of T2/T3 thoracic vertebra, subsequent encounter

  • S23.121S

    Dislocation of T2/T3 thoracic vertebra, sequela

  • S23.122

    Subluxation of T3/T4 thoracic vertebra

  • S23.122A

    Subluxation of T3/T4 thoracic vertebra, initial encounter

  • S23.122D

    Subluxation of T3/T4 thoracic vertebra, subsequent encounter

  • S23.122S

    Subluxation of T3/T4 thoracic vertebra, sequela

  • S23.123

    Dislocation of T3/T4 thoracic vertebra

  • S23.123A

    Dislocation of T3/T4 thoracic vertebra, initial encounter

  • S23.123D

    Dislocation of T3/T4 thoracic vertebra, subsequent encounter

  • S23.123S

    Dislocation of T3/T4 thoracic vertebra, sequela

  • S23.13

    Subluxation and dislocation of T4/T5-T5/T6 thoracic vertebra

  • S23.130

    Subluxation of T4/T5 thoracic vertebra

  • S23.130A

    Subluxation of T4/T5 thoracic vertebra, initial encounter

  • S23.130D

    Subluxation of T4/T5 thoracic vertebra, subsequent encounter

  • S23.130S

    Subluxation of T4/T5 thoracic vertebra, sequela

  • S23.131

    Dislocation of T4/T5 thoracic vertebra

  • S23.131A

    Dislocation of T4/T5 thoracic vertebra, initial encounter

  • S23.131D

    Dislocation of T4/T5 thoracic vertebra, subsequent encounter

  • S23.131S

    Dislocation of T4/T5 thoracic vertebra, sequela

  • S23.132

    Subluxation of T5/T6 thoracic vertebra

  • S23.132A

    Subluxation of T5/T6 thoracic vertebra, initial encounter

  • S23.132D

    Subluxation of T5/T6 thoracic vertebra, subsequent encounter

  • S23.132S

    Subluxation of T5/T6 thoracic vertebra, sequela

  • S23.133

    Dislocation of T5/T6 thoracic vertebra

  • S23.133A

    Dislocation of T5/T6 thoracic vertebra, initial encounter

  • S23.133D

    Dislocation of T5/T6 thoracic vertebra, subsequent encounter

  • S23.133S

    Dislocation of T5/T6 thoracic vertebra, sequela

  • S23.14

    Subluxation and dislocation of T6/T7-T7/T8 thoracic vertebra

  • S23.140

    Subluxation of T6/T7 thoracic vertebra

  • S23.140A

    Subluxation of T6/T7 thoracic vertebra, initial encounter

  • S23.140D

    Subluxation of T6/T7 thoracic vertebra, subsequent encounter

  • S23.140S

    Subluxation of T6/T7 thoracic vertebra, sequela

  • S23.141

    Dislocation of T6/T7 thoracic vertebra

  • S23.141A

    Dislocation of T6/T7 thoracic vertebra, initial encounter

  • S23.141D

    Dislocation of T6/T7 thoracic vertebra, subsequent encounter

  • S23.141S

    Dislocation of T6/T7 thoracic vertebra, sequela

  • S23.142

    Subluxation of T7/T8 thoracic vertebra

  • S23.142A

    Subluxation of T7/T8 thoracic vertebra, initial encounter

  • S23.142D

    Subluxation of T7/T8 thoracic vertebra, subsequent encounter

  • S23.142S

    Subluxation of T7/T8 thoracic vertebra, sequela

  • S23.143

    Dislocation of T7/T8 thoracic vertebra

  • S23.143A

    Dislocation of T7/T8 thoracic vertebra, initial encounter

  • S23.143D

    Dislocation of T7/T8 thoracic vertebra, subsequent encounter

  • S23.143S

    Dislocation of T7/T8 thoracic vertebra, sequela

  • S23.15

    Subluxation and dislocation of T8/T9-T9/T10 thoracic vertebra

  • S23.150

    Subluxation of T8/T9 thoracic vertebra

  • S23.150A

    Subluxation of T8/T9 thoracic vertebra, initial encounter

  • S23.150D

    Subluxation of T8/T9 thoracic vertebra, subsequent encounter

  • S23.150S

    Subluxation of T8/T9 thoracic vertebra, sequela

  • S23.151

    Dislocation of T8/T9 thoracic vertebra

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