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
  • S86.112

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

  • S86.112A

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

  • S86.112D

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

  • S86.112S

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

  • S86.119

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

  • S86.119A

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

  • S86.119D

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

  • S86.119S

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

  • S86.12

    Laceration of other muscle(s) and tendon(s) of posterior muscle group at lower leg level

  • S86.121

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

  • S86.121A

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

  • S86.121D

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

  • S86.121S

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

  • S86.122

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

  • S86.122A

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

  • S86.122D

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

  • S86.122S

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

  • S86.129

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

  • S86.129A

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

  • S86.129D

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

  • S86.129S

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

  • S86.19

    Other injury of other muscle(s) and tendon(s) of posterior muscle group at lower leg level

  • S86.191

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

  • S86.191A

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

  • S86.191D

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

  • S86.191S

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

  • S86.192

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

  • S86.192A

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

  • S86.192D

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

  • S86.192S

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

  • S86.199

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

  • S86.199A

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

  • S86.199D

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

  • S86.199S

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

  • S86.2

    Injury of muscle(s) and tendon(s) of anterior muscle group at lower leg level

  • S86.20

    Unspecified injury of muscle(s) and tendon(s) of anterior muscle group at lower leg level

  • S86.201

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

  • S86.201A

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

  • S86.201D

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

  • S86.201S

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

  • S86.202

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

  • S86.202A

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

  • S86.202D

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

  • S86.202S

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

  • S86.209

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

  • S86.209A

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

  • S86.209D

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

  • S86.209S

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

  • S86.21

    Strain of muscle(s) and tendon(s) of anterior muscle group at lower leg level

  • S86.211

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

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