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
  • S83.014D

    Lateral dislocation of right patella, subsequent encounter

  • S83.014S

    Lateral dislocation of right patella, sequela

  • S83.015

    Lateral dislocation of left patella

  • S83.015A

    Lateral dislocation of left patella, initial encounter

  • S83.015D

    Lateral dislocation of left patella, subsequent encounter

  • S83.015S

    Lateral dislocation of left patella, sequela

  • S83.016

    Lateral dislocation of unspecified patella

  • S83.016A

    Lateral dislocation of unspecified patella, initial encounter

  • S83.016D

    Lateral dislocation of unspecified patella, subsequent encounter

  • S83.016S

    Lateral dislocation of unspecified patella, sequela

  • S83.09

    Other subluxation and dislocation of patella

  • S83.091

    Other subluxation of right patella

  • S83.091A

    Other subluxation of right patella, initial encounter

  • S83.091D

    Other subluxation of right patella, subsequent encounter

  • S83.091S

    Other subluxation of right patella, sequela

  • S83.092

    Other subluxation of left patella

  • S83.092A

    Other subluxation of left patella, initial encounter

  • S83.092D

    Other subluxation of left patella, subsequent encounter

  • S83.092S

    Other subluxation of left patella, sequela

  • S83.093

    Other subluxation of unspecified patella

  • S83.093A

    Other subluxation of unspecified patella, initial encounter

  • S83.093D

    Other subluxation of unspecified patella, subsequent encounter

  • S83.093S

    Other subluxation of unspecified patella, sequela

  • S83.094

    Other dislocation of right patella

  • S83.094A

    Other dislocation of right patella, initial encounter

  • S83.094D

    Other dislocation of right patella, subsequent encounter

  • S83.094S

    Other dislocation of right patella, sequela

  • S83.095

    Other dislocation of left patella

  • S83.095A

    Other dislocation of left patella, initial encounter

  • S83.095D

    Other dislocation of left patella, subsequent encounter

  • S83.095S

    Other dislocation of left patella, sequela

  • S83.096

    Other dislocation of unspecified patella

  • S83.096A

    Other dislocation of unspecified patella, initial encounter

  • S83.096D

    Other dislocation of unspecified patella, subsequent encounter

  • S83.096S

    Other dislocation of unspecified patella, sequela

  • S83.1

    Subluxation and dislocation of knee

  • S83.10

    Unspecified subluxation and dislocation of knee

  • S83.101

    Unspecified subluxation of right knee

  • S83.101A

    Unspecified subluxation of right knee, initial encounter

  • S83.101D

    Unspecified subluxation of right knee, subsequent encounter

  • S83.101S

    Unspecified subluxation of right knee, sequela

  • S83.102

    Unspecified subluxation of left knee

  • S83.102A

    Unspecified subluxation of left knee, initial encounter

  • S83.102D

    Unspecified subluxation of left knee, subsequent encounter

  • S83.102S

    Unspecified subluxation of left knee, sequela

  • S83.103

    Unspecified subluxation of unspecified knee

  • S83.103A

    Unspecified subluxation of unspecified knee, initial encounter

  • S83.103D

    Unspecified subluxation of unspecified knee, subsequent encounter

  • S83.103S

    Unspecified subluxation of unspecified knee, sequela

  • S83.104

    Unspecified dislocation of right knee

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