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
  • S86.309S

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

  • S86.31

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

  • S86.311

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

  • S86.311A

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

  • S86.311D

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

  • S86.311S

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

  • S86.312

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

  • S86.312A

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

  • S86.312D

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

  • S86.312S

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

  • S86.319

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

  • S86.319A

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

  • S86.319D

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

  • S86.319S

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

  • S86.32

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

  • S86.321

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

  • S86.321A

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

  • S86.321D

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

  • S86.321S

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

  • S86.322

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

  • S86.322A

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

  • S86.322D

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

  • S86.322S

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

  • S86.329

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

  • S86.329A

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

  • S86.329D

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

  • S86.329S

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

  • S86.39

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

  • S86.391

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

  • S86.391A

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

  • S86.391D

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

  • S86.391S

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

  • S86.392

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

  • S86.392A

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

  • S86.392D

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

  • S86.392S

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

  • S86.399

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

  • S86.399A

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

  • S86.399D

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

  • S86.399S

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

  • S86.8

    Injury of other muscles and tendons at lower leg level

  • S86.80

    Unspecified injury of other muscles and tendons at lower leg level

  • S86.801

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

  • S86.801A

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

  • S86.801D

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

  • S86.801S

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

  • S86.802

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

  • S86.802A

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

  • S86.802D

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

  • S86.802S

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

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