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
  • S21.021

    Laceration with foreign body of right breast

  • S21.021A

    Laceration with foreign body of right breast, initial encounter

  • S21.021D

    Laceration with foreign body of right breast, subsequent encounter

  • S21.021S

    Laceration with foreign body of right breast, sequela

  • S21.022

    Laceration with foreign body of left breast

  • S21.022A

    Laceration with foreign body of left breast, initial encounter

  • S21.022D

    Laceration with foreign body of left breast, subsequent encounter

  • S21.022S

    Laceration with foreign body of left breast, sequela

  • S21.029

    Laceration with foreign body of unspecified breast

  • S21.029A

    Laceration with foreign body of unspecified breast, initial encounter

  • S21.029D

    Laceration with foreign body of unspecified breast, subsequent encounter

  • S21.029S

    Laceration with foreign body of unspecified breast, sequela

  • S21.03

    Puncture wound without foreign body of breast

  • S21.031

    Puncture wound without foreign body of right breast

  • S21.031A

    Puncture wound without foreign body of right breast, initial encounter

  • S21.031D

    Puncture wound without foreign body of right breast, subsequent encounter

  • S21.031S

    Puncture wound without foreign body of right breast, sequela

  • S21.032

    Puncture wound without foreign body of left breast

  • S21.032A

    Puncture wound without foreign body of left breast, initial encounter

  • S21.032D

    Puncture wound without foreign body of left breast, subsequent encounter

  • S21.032S

    Puncture wound without foreign body of left breast, sequela

  • S21.039

    Puncture wound without foreign body of unspecified breast

  • S21.039A

    Puncture wound without foreign body of unspecified breast, initial encounter

  • S21.039D

    Puncture wound without foreign body of unspecified breast, subsequent encounter

  • S21.039S

    Puncture wound without foreign body of unspecified breast, sequela

  • S21.04

    Puncture wound with foreign body of breast

  • S21.041

    Puncture wound with foreign body of right breast

  • S21.041A

    Puncture wound with foreign body of right breast, initial encounter

  • S21.041D

    Puncture wound with foreign body of right breast, subsequent encounter

  • S21.041S

    Puncture wound with foreign body of right breast, sequela

  • S21.042

    Puncture wound with foreign body of left breast

  • S21.042A

    Puncture wound with foreign body of left breast, initial encounter

  • S21.042D

    Puncture wound with foreign body of left breast, subsequent encounter

  • S21.042S

    Puncture wound with foreign body of left breast, sequela

  • S21.049

    Puncture wound with foreign body of unspecified breast

  • S21.049A

    Puncture wound with foreign body of unspecified breast, initial encounter

  • S21.049D

    Puncture wound with foreign body of unspecified breast, subsequent encounter

  • S21.049S

    Puncture wound with foreign body of unspecified breast, sequela

  • S21.05

    Open bite of breast

  • S21.051

    Open bite of right breast

  • S21.051A

    Open bite of right breast, initial encounter

  • S21.051D

    Open bite of right breast, subsequent encounter

  • S21.051S

    Open bite of right breast, sequela

  • S21.052

    Open bite of left breast

  • S21.052A

    Open bite of left breast, initial encounter

  • S21.052D

    Open bite of left breast, subsequent encounter

  • S21.052S

    Open bite of left breast, sequela

  • S21.059

    Open bite of unspecified breast

  • S21.059A

    Open bite of unspecified breast, initial encounter

  • S21.059D

    Open bite of unspecified breast, subsequent encounter

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