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
  • T17.300

    Unspecified foreign body in larynx causing asphyxiation

  • T17.300A

    Unspecified foreign body in larynx causing asphyxiation, initial encounter

  • T17.300D

    Unspecified foreign body in larynx causing asphyxiation, subsequent encounter

  • T17.300S

    Unspecified foreign body in larynx causing asphyxiation, sequela

  • T17.308

    Unspecified foreign body in larynx causing other injury

  • T17.308A

    Unspecified foreign body in larynx causing other injury, initial encounter

  • T17.308D

    Unspecified foreign body in larynx causing other injury, subsequent encounter

  • T17.308S

    Unspecified foreign body in larynx causing other injury, sequela

  • T17.31

    Gastric contents in larynx

  • T17.310

    Gastric contents in larynx causing asphyxiation

  • T17.310A

    Gastric contents in larynx causing asphyxiation, initial encounter

  • T17.310D

    Gastric contents in larynx causing asphyxiation, subsequent encounter

  • T17.310S

    Gastric contents in larynx causing asphyxiation, sequela

  • T17.318

    Gastric contents in larynx causing other injury

  • T17.318A

    Gastric contents in larynx causing other injury, initial encounter

  • T17.318D

    Gastric contents in larynx causing other injury, subsequent encounter

  • T17.318S

    Gastric contents in larynx causing other injury, sequela

  • T17.32

    Food in larynx

  • T17.320

    Food in larynx causing asphyxiation

  • T17.320A

    Food in larynx causing asphyxiation, initial encounter

  • T17.320D

    Food in larynx causing asphyxiation, subsequent encounter

  • T17.320S

    Food in larynx causing asphyxiation, sequela

  • T17.328

    Food in larynx causing other injury

  • T17.328A

    Food in larynx causing other injury, initial encounter

  • T17.328D

    Food in larynx causing other injury, subsequent encounter

  • T17.328S

    Food in larynx causing other injury, sequela

  • T17.39

    Other foreign object in larynx

  • T17.390

    Other foreign object in larynx causing asphyxiation

  • T17.390A

    Other foreign object in larynx causing asphyxiation, initial encounter

  • T17.390D

    Other foreign object in larynx causing asphyxiation, subsequent encounter

  • T17.390S

    Other foreign object in larynx causing asphyxiation, sequela

  • T17.398

    Other foreign object in larynx causing other injury

  • T17.398A

    Other foreign object in larynx causing other injury, initial encounter

  • T17.398D

    Other foreign object in larynx causing other injury, subsequent encounter

  • T17.398S

    Other foreign object in larynx causing other injury, sequela

  • T17.4

    Foreign body in trachea

  • T17.40

    Unspecified foreign body in trachea

  • T17.400

    Unspecified foreign body in trachea causing asphyxiation

  • T17.400A

    Unspecified foreign body in trachea causing asphyxiation, initial encounter

  • T17.400D

    Unspecified foreign body in trachea causing asphyxiation, subsequent encounter

  • T17.400S

    Unspecified foreign body in trachea causing asphyxiation, sequela

  • T17.408

    Unspecified foreign body in trachea causing other injury

  • T17.408A

    Unspecified foreign body in trachea causing other injury, initial encounter

  • T17.408D

    Unspecified foreign body in trachea causing other injury, subsequent encounter

  • T17.408S

    Unspecified foreign body in trachea causing other injury, sequela

  • T17.41

    Gastric contents in trachea

  • T17.410

    Gastric contents in trachea causing asphyxiation

  • T17.410A

    Gastric contents in trachea causing asphyxiation, initial encounter

  • T17.410D

    Gastric contents in trachea causing asphyxiation, subsequent encounter

  • T17.410S

    Gastric contents in trachea causing asphyxiation, sequela

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