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
  • S26.91XS

    Contusion of heart, unspecified with or without hemopericardium, sequela

  • S26.92

    Laceration of heart, unspecified with or without hemopericardium

  • S26.92XA

    Laceration of heart, unspecified with or without hemopericardium, initial encounter

  • S26.92XD

    Laceration of heart, unspecified with or without hemopericardium, subsequent encounter

  • S26.92XS

    Laceration of heart, unspecified with or without hemopericardium, sequela

  • S26.99

    Other injury of heart, unspecified with or without hemopericardium

  • S26.99XA

    Other injury of heart, unspecified with or without hemopericardium, initial encounter

  • S26.99XD

    Other injury of heart, unspecified with or without hemopericardium, subsequent encounter

  • S26.99XS

    Other injury of heart, unspecified with or without hemopericardium, sequela

  • S27

    Injury of other and unspecified intrathoracic organs

  • S27.0

    Traumatic pneumothorax

  • S27.0XXA

    Traumatic pneumothorax, initial encounter

  • S27.0XXD

    Traumatic pneumothorax, subsequent encounter

  • S27.0XXS

    Traumatic pneumothorax, sequela

  • S27.1

    Traumatic hemothorax

  • S27.1XXA

    Traumatic hemothorax, initial encounter

  • S27.1XXD

    Traumatic hemothorax, subsequent encounter

  • S27.1XXS

    Traumatic hemothorax, sequela

  • S27.2

    Traumatic hemopneumothorax

  • S27.2XXA

    Traumatic hemopneumothorax, initial encounter

  • S27.2XXD

    Traumatic hemopneumothorax, subsequent encounter

  • S27.2XXS

    Traumatic hemopneumothorax, sequela

  • S27.3

    Other and unspecified injuries of lung

  • S27.30

    Unspecified injury of lung

  • S27.301

    Unspecified injury of lung, unilateral

  • S27.301A

    Unspecified injury of lung, unilateral, initial encounter

  • S27.301D

    Unspecified injury of lung, unilateral, subsequent encounter

  • S27.301S

    Unspecified injury of lung, unilateral, sequela

  • S27.302

    Unspecified injury of lung, bilateral

  • S27.302A

    Unspecified injury of lung, bilateral, initial encounter

  • S27.302D

    Unspecified injury of lung, bilateral, subsequent encounter

  • S27.302S

    Unspecified injury of lung, bilateral, sequela

  • S27.309

    Unspecified injury of lung, unspecified

  • S27.309A

    Unspecified injury of lung, unspecified, initial encounter

  • S27.309D

    Unspecified injury of lung, unspecified, subsequent encounter

  • S27.309S

    Unspecified injury of lung, unspecified, sequela

  • S27.31

    Primary blast injury of lung

  • S27.311

    Primary blast injury of lung, unilateral

  • S27.311A

    Primary blast injury of lung, unilateral, initial encounter

  • S27.311D

    Primary blast injury of lung, unilateral, subsequent encounter

  • S27.311S

    Primary blast injury of lung, unilateral, sequela

  • S27.312

    Primary blast injury of lung, bilateral

  • S27.312A

    Primary blast injury of lung, bilateral, initial encounter

  • S27.312D

    Primary blast injury of lung, bilateral, subsequent encounter

  • S27.312S

    Primary blast injury of lung, bilateral, sequela

  • S27.319

    Primary blast injury of lung, unspecified

  • S27.319A

    Primary blast injury of lung, unspecified, initial encounter

  • S27.319D

    Primary blast injury of lung, unspecified, subsequent encounter

  • S27.319S

    Primary blast injury of lung, unspecified, sequela

  • S27.32

    Contusion of lung

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