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
  • S86.809

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

  • S86.809A

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

  • S86.809D

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

  • S86.809S

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

  • S86.81

    Strain of other muscles and tendons at lower leg level

  • S86.811

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

  • S86.811A

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

  • S86.811D

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

  • S86.811S

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

  • S86.812

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

  • S86.812A

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

  • S86.812D

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

  • S86.812S

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

  • S86.819

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

  • S86.819A

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

  • S86.819D

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

  • S86.819S

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

  • S86.82

    Laceration of other muscles and tendons at lower leg level

  • S86.821

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

  • S86.821A

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

  • S86.821D

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

  • S86.821S

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

  • S86.822

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

  • S86.822A

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

  • S86.822D

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

  • S86.822S

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

  • S86.829

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

  • S86.829A

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

  • S86.829D

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

  • S86.829S

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

  • S86.89

    Other injury of other muscles and tendons at lower leg level

  • S86.891

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

  • S86.891A

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

  • S86.891D

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

  • S86.891S

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

  • S86.892

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

  • S86.892A

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

  • S86.892D

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

  • S86.892S

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

  • S86.899

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

  • S86.899A

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

  • S86.899D

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

  • S86.899S

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

  • S86.9

    Injury of unspecified muscle and tendon at lower leg level

  • S86.90

    Unspecified injury of unspecified muscle and tendon at lower leg level

  • S86.901

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

  • S86.901A

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

  • S86.901D

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

  • S86.901S

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

  • S86.902

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

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