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
  • T78.8XXD|

    Other adverse effects, not elsewhere classified, subsequent encounter

  • T78.8XXS|

    Other adverse effects, not elsewhere classified, sequela

  • T79|

    Certain early complications of trauma, not elsewhere classified

  • T79.0|

    Air embolism (traumatic)

  • T79.0XXA|

    Air embolism (traumatic), initial encounter

  • T79.0XXD|

    Air embolism (traumatic), subsequent encounter

  • T79.0XXS|

    Air embolism (traumatic), sequela

  • T79.1|

    Fat embolism (traumatic)

  • T79.1XXA|

    Fat embolism (traumatic), initial encounter

  • T79.1XXD|

    Fat embolism (traumatic), subsequent encounter

  • T79.1XXS|

    Fat embolism (traumatic), sequela

  • T79.2|

    Traumatic secondary and recurrent hemorrhage and seroma

  • T79.2XXA|

    Traumatic secondary and recurrent hemorrhage and seroma, initial encounter

  • T79.2XXD|

    Traumatic secondary and recurrent hemorrhage and seroma, subsequent encounter

  • T79.2XXS|

    Traumatic secondary and recurrent hemorrhage and seroma, sequela

  • T79.4|

    Traumatic shock

  • T79.4XXA|

    Traumatic shock, initial encounter

  • T79.4XXD|

    Traumatic shock, subsequent encounter

  • T79.4XXS|

    Traumatic shock, sequela

  • T79.5|

    Traumatic anuria

  • T79.5XXA|

    Traumatic anuria, initial encounter

  • T79.5XXD|

    Traumatic anuria, subsequent encounter

  • T79.5XXS|

    Traumatic anuria, sequela

  • T79.6|

    Traumatic ischemia of muscle

  • T79.6XXA|

    Traumatic ischemia of muscle, initial encounter

  • T79.6XXD|

    Traumatic ischemia of muscle, subsequent encounter

  • T79.6XXS|

    Traumatic ischemia of muscle, sequela

  • T79.7|

    Traumatic subcutaneous emphysema

  • T79.7XXA|

    Traumatic subcutaneous emphysema, initial encounter

  • T79.7XXD|

    Traumatic subcutaneous emphysema, subsequent encounter

  • T79.7XXS|

    Traumatic subcutaneous emphysema, sequela

  • T79.8|

    Other early complications of trauma

  • T79.8XXA|

    Other early complications of trauma, initial encounter

  • T79.8XXD|

    Other early complications of trauma, subsequent encounter

  • T79.8XXS|

    Other early complications of trauma, sequela

  • T79.9|

    Unspecified early complication of trauma

  • T79.9XXA|

    Unspecified early complication of trauma, initial encounter

  • T79.9XXD|

    Unspecified early complication of trauma, subsequent encounter

  • T79.9XXS|

    Unspecified early complication of trauma, sequela

  • T79.A|

    Traumatic compartment syndrome

  • T79.A0|

    Compartment syndrome, unspecified

  • T79.A0XA|

    Compartment syndrome, unspecified, initial encounter

  • T79.A0XD|

    Compartment syndrome, unspecified, subsequent encounter

  • T79.A0XS|

    Compartment syndrome, unspecified, sequela

  • T79.A1|

    Traumatic compartment syndrome of upper extremity

  • T79.A11|

    Traumatic compartment syndrome of right upper extremity

  • T79.A11A|

    Traumatic compartment syndrome of right upper extremity, initial encounter

  • T79.A11D|

    Traumatic compartment syndrome of right upper extremity, subsequent encounter

  • T79.A11S|

    Traumatic compartment syndrome of right upper extremity, sequela

  • T79.A12|

    Traumatic compartment syndrome of left upper extremity

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