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
  • T16.9XXD

    Foreign body in ear, unspecified ear, subsequent encounter

  • T16.9XXS

    Foreign body in ear, unspecified ear, sequela

  • T17

    Foreign body in respiratory tract

  • T17.0

    Foreign body in nasal sinus

  • T17.0XXA

    Foreign body in nasal sinus, initial encounter

  • T17.0XXD

    Foreign body in nasal sinus, subsequent encounter

  • T17.0XXS

    Foreign body in nasal sinus, sequela

  • T17.1

    Foreign body in nostril

  • T17.1XXA

    Foreign body in nostril, initial encounter

  • T17.1XXD

    Foreign body in nostril, subsequent encounter

  • T17.1XXS

    Foreign body in nostril, sequela

  • T17.2

    Foreign body in pharynx

  • T17.20

    Unspecified foreign body in pharynx

  • T17.200

    Unspecified foreign body in pharynx causing asphyxiation

  • T17.200A

    Unspecified foreign body in pharynx causing asphyxiation, initial encounter

  • T17.200D

    Unspecified foreign body in pharynx causing asphyxiation, subsequent encounter

  • T17.200S

    Unspecified foreign body in pharynx causing asphyxiation, sequela

  • T17.208

    Unspecified foreign body in pharynx causing other injury

  • T17.208A

    Unspecified foreign body in pharynx causing other injury, initial encounter

  • T17.208D

    Unspecified foreign body in pharynx causing other injury, subsequent encounter

  • T17.208S

    Unspecified foreign body in pharynx causing other injury, sequela

  • T17.21

    Gastric contents in pharynx

  • T17.210

    Gastric contents in pharynx causing asphyxiation

  • T17.210A

    Gastric contents in pharynx causing asphyxiation, initial encounter

  • T17.210D

    Gastric contents in pharynx causing asphyxiation, subsequent encounter

  • T17.210S

    Gastric contents in pharynx causing asphyxiation, sequela

  • T17.218

    Gastric contents in pharynx causing other injury

  • T17.218A

    Gastric contents in pharynx causing other injury, initial encounter

  • T17.218D

    Gastric contents in pharynx causing other injury, subsequent encounter

  • T17.218S

    Gastric contents in pharynx causing other injury, sequela

  • T17.22

    Food in pharynx

  • T17.220

    Food in pharynx causing asphyxiation

  • T17.220A

    Food in pharynx causing asphyxiation, initial encounter

  • T17.220D

    Food in pharynx causing asphyxiation, subsequent encounter

  • T17.220S

    Food in pharynx causing asphyxiation, sequela

  • T17.228

    Food in pharynx causing other injury

  • T17.228A

    Food in pharynx causing other injury, initial encounter

  • T17.228D

    Food in pharynx causing other injury, subsequent encounter

  • T17.228S

    Food in pharynx causing other injury, sequela

  • T17.29

    Other foreign object in pharynx

  • T17.290

    Other foreign object in pharynx causing asphyxiation

  • T17.290A

    Other foreign object in pharynx causing asphyxiation, initial encounter

  • T17.290D

    Other foreign object in pharynx causing asphyxiation, subsequent encounter

  • T17.290S

    Other foreign object in pharynx causing asphyxiation, sequela

  • T17.298

    Other foreign object in pharynx causing other injury

  • T17.298A

    Other foreign object in pharynx causing other injury, initial encounter

  • T17.298D

    Other foreign object in pharynx causing other injury, subsequent encounter

  • T17.298S

    Other foreign object in pharynx causing other injury, sequela

  • T17.3

    Foreign body in larynx

  • T17.30

    Unspecified foreign body in larynx

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