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
  • S86.211A

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

  • S86.211D

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

  • S86.211S

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

  • S86.212

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

  • S86.212A

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

  • S86.212D

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

  • S86.212S

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

  • S86.219

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

  • S86.219A

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

  • S86.219D

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

  • S86.219S

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

  • S86.22

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

  • S86.221

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

  • S86.221A

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

  • S86.221D

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

  • S86.221S

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

  • S86.222

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

  • S86.222A

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

  • S86.222D

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

  • S86.222S

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

  • S86.229

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

  • S86.229A

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

  • S86.229D

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

  • S86.229S

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

  • S86.29

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

  • S86.291

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

  • S86.291A

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

  • S86.291D

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

  • S86.291S

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

  • S86.292

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

  • S86.292A

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

  • S86.292D

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

  • S86.292S

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

  • S86.299

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

  • S86.299A

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

  • S86.299D

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

  • S86.299S

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

  • S86.3

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

  • S86.30

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

  • S86.301

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

  • S86.301A

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

  • S86.301D

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

  • S86.301S

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

  • S86.302

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

  • S86.302A

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

  • S86.302D

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

  • S86.302S

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

  • S86.309

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

  • S86.309A

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

  • S86.309D

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

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