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
  • S00.472D|

    Other superficial bite of left ear, subsequent encounter

  • S00.472S|

    Other superficial bite of left ear, sequela

  • S00.479|

    Other superficial bite of unspecified ear

  • S00.479A|

    Other superficial bite of unspecified ear, initial encounter

  • S00.479D|

    Other superficial bite of unspecified ear, subsequent encounter

  • S00.479S|

    Other superficial bite of unspecified ear, sequela

  • S00.501|

    Unspecified superficial injury of lip

  • S00.501A|

    Unspecified superficial injury of lip, initial encounter

  • S00.501D|

    Unspecified superficial injury of lip, subsequent encounter

  • S00.501S|

    Unspecified superficial injury of lip, sequela

  • S00.502|

    Unspecified superficial injury of oral cavity

  • S00.502A|

    Unspecified superficial injury of oral cavity, initial encounter

  • S00.502D|

    Unspecified superficial injury of oral cavity, subsequent encounter

  • S00.502S|

    Unspecified superficial injury of oral cavity, sequela

  • S00.511|

    Abrasion of lip

  • S00.511A|

    Abrasion of lip, initial encounter

  • S00.511D|

    Abrasion of lip, subsequent encounter

  • S00.511S|

    Abrasion of lip, sequela

  • S00.512|

    Abrasion of oral cavity

  • S00.512A|

    Abrasion of oral cavity, initial encounter

  • S00.512D|

    Abrasion of oral cavity, subsequent encounter

  • S00.512S|

    Abrasion of oral cavity, sequela

  • S00.521|

    Blister (nonthermal) of lip

  • S00.521A|

    Blister (nonthermal) of lip, initial encounter

  • S00.521D|

    Blister (nonthermal) of lip, subsequent encounter

  • S00.521S|

    Blister (nonthermal) of lip, sequela

  • S00.522|

    Blister (nonthermal) of oral cavity

  • S00.522A|

    Blister (nonthermal) of oral cavity, initial encounter

  • S00.522D|

    Blister (nonthermal) of oral cavity, subsequent encounter

  • S00.522S|

    Blister (nonthermal) of oral cavity, sequela

  • S00.531|

    Contusion of lip

  • S00.531A|

    Contusion of lip, initial encounter

  • S00.531D|

    Contusion of lip, subsequent encounter

  • S00.531S|

    Contusion of lip, sequela

  • S00.532|

    Contusion of oral cavity

  • S00.532A|

    Contusion of oral cavity, initial encounter

  • S00.532D|

    Contusion of oral cavity, subsequent encounter

  • S00.532S|

    Contusion of oral cavity, sequela

  • S00.541|

    External constriction of lip

  • S00.541A|

    External constriction of lip, initial encounter

  • S00.541D|

    External constriction of lip, subsequent encounter

  • S00.541S|

    External constriction of lip, sequela

  • S00.542|

    External constriction of oral cavity

  • S00.542A|

    External constriction of oral cavity, initial encounter

  • S00.542D|

    External constriction of oral cavity, subsequent encounter

  • S00.542S|

    External constriction of oral cavity, sequela

  • S00.551|

    Superficial foreign body of lip

  • S00.551A|

    Superficial foreign body of lip, initial encounter

  • S00.551D|

    Superficial foreign body of lip, subsequent encounter

  • S00.551S|

    Superficial foreign body of lip, sequela

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