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
  • S79.819S

    Other specified injuries of unspecified hip, sequela

  • S79.82

    Other specified injuries of thigh

  • S79.821

    Other specified injuries of right thigh

  • S79.821A

    Other specified injuries of right thigh, initial encounter

  • S79.821D

    Other specified injuries of right thigh, subsequent encounter

  • S79.821S

    Other specified injuries of right thigh, sequela

  • S79.822

    Other specified injuries of left thigh

  • S79.822A

    Other specified injuries of left thigh, initial encounter

  • S79.822D

    Other specified injuries of left thigh, subsequent encounter

  • S79.822S

    Other specified injuries of left thigh, sequela

  • S79.829

    Other specified injuries of unspecified thigh

  • S79.829A

    Other specified injuries of unspecified thigh, initial encounter

  • S79.829D

    Other specified injuries of unspecified thigh, subsequent encounter

  • S79.829S

    Other specified injuries of unspecified thigh, sequela

  • S79.9

    Unspecified injury of hip and thigh

  • S79.91

    Unspecified injury of hip

  • S79.911

    Unspecified injury of right hip

  • S79.911A

    Unspecified injury of right hip, initial encounter

  • S79.911D

    Unspecified injury of right hip, subsequent encounter

  • S79.911S

    Unspecified injury of right hip, sequela

  • S79.912

    Unspecified injury of left hip

  • S79.912A

    Unspecified injury of left hip, initial encounter

  • S79.912D

    Unspecified injury of left hip, subsequent encounter

  • S79.912S

    Unspecified injury of left hip, sequela

  • S79.919

    Unspecified injury of unspecified hip

  • S79.919A

    Unspecified injury of unspecified hip, initial encounter

  • S79.919D

    Unspecified injury of unspecified hip, subsequent encounter

  • S79.919S

    Unspecified injury of unspecified hip, sequela

  • S79.92

    Unspecified injury of thigh

  • S79.921

    Unspecified injury of right thigh

  • S79.921A

    Unspecified injury of right thigh, initial encounter

  • S79.921D

    Unspecified injury of right thigh, subsequent encounter

  • S79.921S

    Unspecified injury of right thigh, sequela

  • S79.922

    Unspecified injury of left thigh

  • S79.922A

    Unspecified injury of left thigh, initial encounter

  • S79.922D

    Unspecified injury of left thigh, subsequent encounter

  • S79.922S

    Unspecified injury of left thigh, sequela

  • S79.929

    Unspecified injury of unspecified thigh

  • S79.929A

    Unspecified injury of unspecified thigh, initial encounter

  • S79.929D

    Unspecified injury of unspecified thigh, subsequent encounter

  • S79.929S

    Unspecified injury of unspecified thigh, sequela

  • S80

    Superficial injury of knee and lower leg

  • S80.0

    Contusion of knee

  • S80.00

    Contusion of unspecified knee

  • S80.00XA

    Contusion of unspecified knee, initial encounter

  • S80.00XD

    Contusion of unspecified knee, subsequent encounter

  • S80.00XS

    Contusion of unspecified knee, sequela

  • S80.01

    Contusion of right knee

  • S80.01XA

    Contusion of right knee, initial encounter

  • S80.01XD

    Contusion of right knee, subsequent encounter

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