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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