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
  • T27.1XXD

    Burn involving larynx and trachea with lung, subsequent encounter

  • T27.1XXS

    Burn involving larynx and trachea with lung, sequela

  • T27.2

    Burn of other parts of respiratory tract

  • T27.2XXA

    Burn of other parts of respiratory tract, initial encounter

  • T27.2XXD

    Burn of other parts of respiratory tract, subsequent encounter

  • T27.2XXS

    Burn of other parts of respiratory tract, sequela

  • T27.3

    Burn of respiratory tract, part unspecified

  • T27.3XXA

    Burn of respiratory tract, part unspecified, initial encounter

  • T27.3XXD

    Burn of respiratory tract, part unspecified, subsequent encounter

  • T27.3XXS

    Burn of respiratory tract, part unspecified, sequela

  • T27.4

    Corrosion of larynx and trachea

  • T27.4XXA

    Corrosion of larynx and trachea, initial encounter

  • T27.4XXD

    Corrosion of larynx and trachea, subsequent encounter

  • T27.4XXS

    Corrosion of larynx and trachea, sequela

  • T27.5

    Corrosion involving larynx and trachea with lung

  • T27.5XXA

    Corrosion involving larynx and trachea with lung, initial encounter

  • T27.5XXD

    Corrosion involving larynx and trachea with lung, subsequent encounter

  • T27.5XXS

    Corrosion involving larynx and trachea with lung, sequela

  • T27.6

    Corrosion of other parts of respiratory tract

  • T27.6XXA

    Corrosion of other parts of respiratory tract, initial encounter

  • T27.6XXD

    Corrosion of other parts of respiratory tract, subsequent encounter

  • T27.6XXS

    Corrosion of other parts of respiratory tract, sequela

  • T27.7

    Corrosion of respiratory tract, part unspecified

  • T27.7XXA

    Corrosion of respiratory tract, part unspecified, initial encounter

  • T27.7XXD

    Corrosion of respiratory tract, part unspecified, subsequent encounter

  • T27.7XXS

    Corrosion of respiratory tract, part unspecified, sequela

  • T28

    Burn and corrosion of other internal organs

  • T28.0

    Burn of mouth and pharynx

  • T28.0XXA

    Burn of mouth and pharynx, initial encounter

  • T28.0XXD

    Burn of mouth and pharynx, subsequent encounter

  • T28.0XXS

    Burn of mouth and pharynx, sequela

  • T28.1

    Burn of esophagus

  • T28.1XXA

    Burn of esophagus, initial encounter

  • T28.1XXD

    Burn of esophagus, subsequent encounter

  • T28.1XXS

    Burn of esophagus, sequela

  • T28.2

    Burn of other parts of alimentary tract

  • T28.2XXA

    Burn of other parts of alimentary tract, initial encounter

  • T28.2XXD

    Burn of other parts of alimentary tract, subsequent encounter

  • T28.2XXS

    Burn of other parts of alimentary tract, sequela

  • T28.3

    Burn of internal genitourinary organs

  • T28.3XXA

    Burn of internal genitourinary organs, initial encounter

  • T28.3XXD

    Burn of internal genitourinary organs, subsequent encounter

  • T28.3XXS

    Burn of internal genitourinary organs, sequela

  • T28.4

    Burns of other and unspecified internal organs

  • T28.40

    Burn of unspecified internal organ

  • T28.40XA

    Burn of unspecified internal organ, initial encounter

  • T28.40XD

    Burn of unspecified internal organ, subsequent encounter

  • T28.40XS

    Burn of unspecified internal organ, sequela

  • T28.41

    Burn of ear drum

  • T28.411

    Burn of right ear drum

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