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
  • S86.902A

    Unspecified injury of unspecified muscle(s) and tendon(s) at lower leg level, left leg, initial encounter

  • S86.902D

    Unspecified injury of unspecified muscle(s) and tendon(s) at lower leg level, left leg, subsequent encounter

  • S86.902S

    Unspecified injury of unspecified muscle(s) and tendon(s) at lower leg level, left leg, sequela

  • S86.909

    Unspecified injury of unspecified muscle(s) and tendon(s) at lower leg level, unspecified leg

  • S86.909A

    Unspecified injury of unspecified muscle(s) and tendon(s) at lower leg level, unspecified leg, initial encounter

  • S86.909D

    Unspecified injury of unspecified muscle(s) and tendon(s) at lower leg level, unspecified leg, subsequent encounter

  • S86.909S

    Unspecified injury of unspecified muscle(s) and tendon(s) at lower leg level, unspecified leg, sequela

  • S86.91

    Strain of unspecified muscle and tendon at lower leg level

  • S86.911

    Strain of unspecified muscle(s) and tendon(s) at lower leg level, right leg

  • S86.911A

    Strain of unspecified muscle(s) and tendon(s) at lower leg level, right leg, initial encounter

  • S86.911D

    Strain of unspecified muscle(s) and tendon(s) at lower leg level, right leg, subsequent encounter

  • S86.911S

    Strain of unspecified muscle(s) and tendon(s) at lower leg level, right leg, sequela

  • S86.912

    Strain of unspecified muscle(s) and tendon(s) at lower leg level, left leg

  • S86.912A

    Strain of unspecified muscle(s) and tendon(s) at lower leg level, left leg, initial encounter

  • S86.912D

    Strain of unspecified muscle(s) and tendon(s) at lower leg level, left leg, subsequent encounter

  • S86.912S

    Strain of unspecified muscle(s) and tendon(s) at lower leg level, left leg, sequela

  • S86.919

    Strain of unspecified muscle(s) and tendon(s) at lower leg level, unspecified leg

  • S86.919A

    Strain of unspecified muscle(s) and tendon(s) at lower leg level, unspecified leg, initial encounter

  • S86.919D

    Strain of unspecified muscle(s) and tendon(s) at lower leg level, unspecified leg, subsequent encounter

  • S86.919S

    Strain of unspecified muscle(s) and tendon(s) at lower leg level, unspecified leg, sequela

  • S86.92

    Laceration of unspecified muscle and tendon at lower leg level

  • S86.921

    Laceration of unspecified muscle(s) and tendon(s) at lower leg level, right leg

  • S86.921A

    Laceration of unspecified muscle(s) and tendon(s) at lower leg level, right leg, initial encounter

  • S86.921D

    Laceration of unspecified muscle(s) and tendon(s) at lower leg level, right leg, subsequent encounter

  • S86.921S

    Laceration of unspecified muscle(s) and tendon(s) at lower leg level, right leg, sequela

  • S86.922

    Laceration of unspecified muscle(s) and tendon(s) at lower leg level, left leg

  • S86.922A

    Laceration of unspecified muscle(s) and tendon(s) at lower leg level, left leg, initial encounter

  • S86.922D

    Laceration of unspecified muscle(s) and tendon(s) at lower leg level, left leg, subsequent encounter

  • S86.922S

    Laceration of unspecified muscle(s) and tendon(s) at lower leg level, left leg, sequela

  • S86.929

    Laceration of unspecified muscle(s) and tendon(s) at lower leg level, unspecified leg

  • S86.929A

    Laceration of unspecified muscle(s) and tendon(s) at lower leg level, unspecified leg, initial encounter

  • S86.929D

    Laceration of unspecified muscle(s) and tendon(s) at lower leg level, unspecified leg, subsequent encounter

  • S86.929S

    Laceration of unspecified muscle(s) and tendon(s) at lower leg level, unspecified leg, sequela

  • S86.99

    Other injury of unspecified muscle and tendon at lower leg level

  • S86.991

    Other injury of unspecified muscle(s) and tendon(s) at lower leg level, right leg

  • S86.991A

    Other injury of unspecified muscle(s) and tendon(s) at lower leg level, right leg, initial encounter

  • S86.991D

    Other injury of unspecified muscle(s) and tendon(s) at lower leg level, right leg, subsequent encounter

  • S86.991S

    Other injury of unspecified muscle(s) and tendon(s) at lower leg level, right leg, sequela

  • S86.992

    Other injury of unspecified muscle(s) and tendon(s) at lower leg level, left leg

  • S86.992A

    Other injury of unspecified muscle(s) and tendon(s) at lower leg level, left leg, initial encounter

  • S86.992D

    Other injury of unspecified muscle(s) and tendon(s) at lower leg level, left leg, subsequent encounter

  • S86.992S

    Other injury of unspecified muscle(s) and tendon(s) at lower leg level, left leg, sequela

  • S86.999

    Other injury of unspecified muscle(s) and tendon(s) at lower leg level, unspecified leg

  • S86.999A

    Other injury of unspecified muscle(s) and tendon(s) at lower leg level, unspecified leg, initial encounter

  • S86.999D

    Other injury of unspecified muscle(s) and tendon(s) at lower leg level, unspecified leg, subsequent encounter

  • S86.999S

    Other injury of unspecified muscle(s) and tendon(s) at lower leg level, unspecified leg, sequela

  • S87

    Crushing injury of lower leg

  • S87.0

    Crushing injury of knee

  • S87.00

    Crushing injury of unspecified knee

  • S87.00XA

    Crushing injury of unspecified knee, initial encounter

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