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
  • S83.104A

    Unspecified dislocation of right knee, initial encounter

  • S83.104D

    Unspecified dislocation of right knee, subsequent encounter

  • S83.104S

    Unspecified dislocation of right knee, sequela

  • S83.105

    Unspecified dislocation of left knee

  • S83.105A

    Unspecified dislocation of left knee, initial encounter

  • S83.105D

    Unspecified dislocation of left knee, subsequent encounter

  • S83.105S

    Unspecified dislocation of left knee, sequela

  • S83.106

    Unspecified dislocation of unspecified knee

  • S83.106A

    Unspecified dislocation of unspecified knee, initial encounter

  • S83.106D

    Unspecified dislocation of unspecified knee, subsequent encounter

  • S83.106S

    Unspecified dislocation of unspecified knee, sequela

  • S83.11

    Anterior subluxation and dislocation of proximal end of tibia

  • S83.111

    Anterior subluxation of proximal end of tibia, right knee

  • S83.111A

    Anterior subluxation of proximal end of tibia, right knee, initial encounter

  • S83.111D

    Anterior subluxation of proximal end of tibia, right knee, subsequent encounter

  • S83.111S

    Anterior subluxation of proximal end of tibia, right knee, sequela

  • S83.112

    Anterior subluxation of proximal end of tibia, left knee

  • S83.112A

    Anterior subluxation of proximal end of tibia, left knee, initial encounter

  • S83.112D

    Anterior subluxation of proximal end of tibia, left knee, subsequent encounter

  • S83.112S

    Anterior subluxation of proximal end of tibia, left knee, sequela

  • S83.113

    Anterior subluxation of proximal end of tibia, unspecified knee

  • S83.113A

    Anterior subluxation of proximal end of tibia, unspecified knee, initial encounter

  • S83.113D

    Anterior subluxation of proximal end of tibia, unspecified knee, subsequent encounter

  • S83.113S

    Anterior subluxation of proximal end of tibia, unspecified knee, sequela

  • S83.114

    Anterior dislocation of proximal end of tibia, right knee

  • S83.114A

    Anterior dislocation of proximal end of tibia, right knee, initial encounter

  • S83.114D

    Anterior dislocation of proximal end of tibia, right knee, subsequent encounter

  • S83.114S

    Anterior dislocation of proximal end of tibia, right knee, sequela

  • S83.115

    Anterior dislocation of proximal end of tibia, left knee

  • S83.115A

    Anterior dislocation of proximal end of tibia, left knee, initial encounter

  • S83.115D

    Anterior dislocation of proximal end of tibia, left knee, subsequent encounter

  • S83.115S

    Anterior dislocation of proximal end of tibia, left knee, sequela

  • S83.116

    Anterior dislocation of proximal end of tibia, unspecified knee

  • S83.116A

    Anterior dislocation of proximal end of tibia, unspecified knee, initial encounter

  • S83.116D

    Anterior dislocation of proximal end of tibia, unspecified knee, subsequent encounter

  • S83.116S

    Anterior dislocation of proximal end of tibia, unspecified knee, sequela

  • S83.12

    Posterior subluxation and dislocation of proximal end of tibia

  • S83.121

    Posterior subluxation of proximal end of tibia, right knee

  • S83.121A

    Posterior subluxation of proximal end of tibia, right knee, initial encounter

  • S83.121D

    Posterior subluxation of proximal end of tibia, right knee, subsequent encounter

  • S83.121S

    Posterior subluxation of proximal end of tibia, right knee, sequela

  • S83.122

    Posterior subluxation of proximal end of tibia, left knee

  • S83.122A

    Posterior subluxation of proximal end of tibia, left knee, initial encounter

  • S83.122D

    Posterior subluxation of proximal end of tibia, left knee, subsequent encounter

  • S83.122S

    Posterior subluxation of proximal end of tibia, left knee, sequela

  • S83.123

    Posterior subluxation of proximal end of tibia, unspecified knee

  • S83.123A

    Posterior subluxation of proximal end of tibia, unspecified knee, initial encounter

  • S83.123D

    Posterior subluxation of proximal end of tibia, unspecified knee, subsequent encounter

  • S83.123S

    Posterior subluxation of proximal end of tibia, unspecified knee, sequela

  • S83.124

    Posterior dislocation of proximal end of tibia, right knee

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