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
  • T24.331D

    Burn of third degree of right lower leg, subsequent encounter

  • T24.331S

    Burn of third degree of right lower leg, sequela

  • T24.332

    Burn of third degree of left lower leg

  • T24.332A

    Burn of third degree of left lower leg, initial encounter

  • T24.332D

    Burn of third degree of left lower leg, subsequent encounter

  • T24.332S

    Burn of third degree of left lower leg, sequela

  • T24.339

    Burn of third degree of unspecified lower leg

  • T24.339A

    Burn of third degree of unspecified lower leg, initial encounter

  • T24.339D

    Burn of third degree of unspecified lower leg, subsequent encounter

  • T24.339S

    Burn of third degree of unspecified lower leg, sequela

  • T24.39

    Burn of third degree of multiple sites of lower limb, except ankle and foot

  • T24.391

    Burn of third degree of multiple sites of right lower limb, except ankle and foot

  • T24.391A

    Burn of third degree of multiple sites of right lower limb, except ankle and foot, initial encounter

  • T24.391D

    Burn of third degree of multiple sites of right lower limb, except ankle and foot, subsequent encounter

  • T24.391S

    Burn of third degree of multiple sites of right lower limb, except ankle and foot, sequela

  • T24.392

    Burn of third degree of multiple sites of left lower limb, except ankle and foot

  • T24.392A

    Burn of third degree of multiple sites of left lower limb, except ankle and foot, initial encounter

  • T24.392D

    Burn of third degree of multiple sites of left lower limb, except ankle and foot, subsequent encounter

  • T24.392S

    Burn of third degree of multiple sites of left lower limb, except ankle and foot, sequela

  • T24.399

    Burn of third degree of multiple sites of unspecified lower limb, except ankle and foot

  • T24.399A

    Burn of third degree of multiple sites of unspecified lower limb, except ankle and foot, initial encounter

  • T24.399D

    Burn of third degree of multiple sites of unspecified lower limb, except ankle and foot, subsequent encounter

  • T24.399S

    Burn of third degree of multiple sites of unspecified lower limb, except ankle and foot, sequela

  • T24.4

    Corrosion of unspecified degree of lower limb, except ankle and foot

  • T24.40

    Corrosion of unspecified degree of unspecified site of lower limb, except ankle and foot

  • T24.401

    Corrosion of unspecified degree of unspecified site of right lower limb, except ankle and foot

  • T24.401A

    Corrosion of unspecified degree of unspecified site of right lower limb, except ankle and foot, initial encounter

  • T24.401D

    Corrosion of unspecified degree of unspecified site of right lower limb, except ankle and foot, subsequent encounter

  • T24.401S

    Corrosion of unspecified degree of unspecified site of right lower limb, except ankle and foot, sequela

  • T24.402

    Corrosion of unspecified degree of unspecified site of left lower limb, except ankle and foot

  • T24.402A

    Corrosion of unspecified degree of unspecified site of left lower limb, except ankle and foot, initial encounter

  • T24.402D

    Corrosion of unspecified degree of unspecified site of left lower limb, except ankle and foot, subsequent encounter

  • T24.402S

    Corrosion of unspecified degree of unspecified site of left lower limb, except ankle and foot, sequela

  • T24.409

    Corrosion of unspecified degree of unspecified site of unspecified lower limb, except ankle and foot

  • T24.409A

    Corrosion of unspecified degree of unspecified site of unspecified lower limb, except ankle and foot, initial encounter

  • T24.409D

    Corrosion of unspecified degree of unspecified site of unspecified lower limb, except ankle and foot, subsequent encounter

  • T24.409S

    Corrosion of unspecified degree of unspecified site of unspecified lower limb, except ankle and foot, sequela

  • T24.41

    Corrosion of unspecified degree of thigh

  • T24.411

    Corrosion of unspecified degree of right thigh

  • T24.411A

    Corrosion of unspecified degree of right thigh, initial encounter

  • T24.411D

    Corrosion of unspecified degree of right thigh, subsequent encounter

  • T24.411S

    Corrosion of unspecified degree of right thigh, sequela

  • T24.412

    Corrosion of unspecified degree of left thigh

  • T24.412A

    Corrosion of unspecified degree of left thigh, initial encounter

  • T24.412D

    Corrosion of unspecified degree of left thigh, subsequent encounter

  • T24.412S

    Corrosion of unspecified degree of left thigh, sequela

  • T24.419

    Corrosion of unspecified degree of unspecified thigh

  • T24.419A

    Corrosion of unspecified degree of unspecified thigh, initial encounter

  • T24.419D

    Corrosion of unspecified degree of unspecified thigh, subsequent encounter

  • T24.419S

    Corrosion of unspecified degree of unspecified thigh, sequela

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