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
  • S21.139

    Puncture wound without foreign body of unspecified front wall of thorax without penetration into thoracic cavity

  • S21.139A

    Puncture wound without foreign body of unspecified front wall of thorax without penetration into thoracic cavity, initial encounter

  • S21.139D

    Puncture wound without foreign body of unspecified front wall of thorax without penetration into thoracic cavity, subsequent encounter

  • S21.139S

    Puncture wound without foreign body of unspecified front wall of thorax without penetration into thoracic cavity, sequela

  • S21.14

    Puncture wound with foreign body of front wall of thorax without penetration into thoracic cavity

  • S21.141

    Puncture wound with foreign body of right front wall of thorax without penetration into thoracic cavity

  • S21.141A

    Puncture wound with foreign body of right front wall of thorax without penetration into thoracic cavity, initial encounter

  • S21.141D

    Puncture wound with foreign body of right front wall of thorax without penetration into thoracic cavity, subsequent encounter

  • S21.141S

    Puncture wound with foreign body of right front wall of thorax without penetration into thoracic cavity, sequela

  • S21.142

    Puncture wound with foreign body of left front wall of thorax without penetration into thoracic cavity

  • S21.142A

    Puncture wound with foreign body of left front wall of thorax without penetration into thoracic cavity, initial encounter

  • S21.142D

    Puncture wound with foreign body of left front wall of thorax without penetration into thoracic cavity, subsequent encounter

  • S21.142S

    Puncture wound with foreign body of left front wall of thorax without penetration into thoracic cavity, sequela

  • S21.149

    Puncture wound with foreign body of unspecified front wall of thorax without penetration into thoracic cavity

  • S21.149A

    Puncture wound with foreign body of unspecified front wall of thorax without penetration into thoracic cavity, initial encounter

  • S21.149D

    Puncture wound with foreign body of unspecified front wall of thorax without penetration into thoracic cavity, subsequent encounter

  • S21.149S

    Puncture wound with foreign body of unspecified front wall of thorax without penetration into thoracic cavity, sequela

  • S21.15

    Open bite of front wall of thorax without penetration into thoracic cavity

  • S21.151

    Open bite of right front wall of thorax without penetration into thoracic cavity

  • S21.151A

    Open bite of right front wall of thorax without penetration into thoracic cavity, initial encounter

  • S21.151D

    Open bite of right front wall of thorax without penetration into thoracic cavity, subsequent encounter

  • S21.151S

    Open bite of right front wall of thorax without penetration into thoracic cavity, sequela

  • S21.152

    Open bite of left front wall of thorax without penetration into thoracic cavity

  • S21.152A

    Open bite of left front wall of thorax without penetration into thoracic cavity, initial encounter

  • S21.152D

    Open bite of left front wall of thorax without penetration into thoracic cavity, subsequent encounter

  • S21.152S

    Open bite of left front wall of thorax without penetration into thoracic cavity, sequela

  • S21.159

    Open bite of unspecified front wall of thorax without penetration into thoracic cavity

  • S21.159A

    Open bite of unspecified front wall of thorax without penetration into thoracic cavity, initial encounter

  • S21.159D

    Open bite of unspecified front wall of thorax without penetration into thoracic cavity, subsequent encounter

  • S21.159S

    Open bite of unspecified front wall of thorax without penetration into thoracic cavity, sequela

  • S21.2

    Open wound of back wall of thorax without penetration into thoracic cavity

  • S21.20

    Unspecified open wound of back wall of thorax without penetration into thoracic cavity

  • S21.201

    Unspecified open wound of right back wall of thorax without penetration into thoracic cavity

  • S21.201A

    Unspecified open wound of right back wall of thorax without penetration into thoracic cavity, initial encounter

  • S21.201D

    Unspecified open wound of right back wall of thorax without penetration into thoracic cavity, subsequent encounter

  • S21.201S

    Unspecified open wound of right back wall of thorax without penetration into thoracic cavity, sequela

  • S21.202

    Unspecified open wound of left back wall of thorax without penetration into thoracic cavity

  • S21.202A

    Unspecified open wound of left back wall of thorax without penetration into thoracic cavity, initial encounter

  • S21.202D

    Unspecified open wound of left back wall of thorax without penetration into thoracic cavity, subsequent encounter

  • S21.202S

    Unspecified open wound of left back wall of thorax without penetration into thoracic cavity, sequela

  • S21.209

    Unspecified open wound of unspecified back wall of thorax without penetration into thoracic cavity

  • S21.209A

    Unspecified open wound of unspecified back wall of thorax without penetration into thoracic cavity, initial encounter

  • S21.209D

    Unspecified open wound of unspecified back wall of thorax without penetration into thoracic cavity, subsequent encounter

  • S21.209S

    Unspecified open wound of unspecified back wall of thorax without penetration into thoracic cavity, sequela

  • S21.21

    Laceration without foreign body of back wall of thorax without penetration into thoracic cavity

  • S21.211

    Laceration without foreign body of right back wall of thorax without penetration into thoracic cavity

  • S21.211A

    Laceration without foreign body of right back wall of thorax without penetration into thoracic cavity, initial encounter

  • S21.211D

    Laceration without foreign body of right back wall of thorax without penetration into thoracic cavity, subsequent encounter

  • S21.211S

    Laceration without foreign body of right back wall of thorax without penetration into thoracic cavity, sequela

  • S21.212

    Laceration without foreign body of left back wall of thorax without penetration into thoracic cavity

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