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
  • T24.119D

    Burn of first degree of unspecified thigh, subsequent encounter

  • T24.119S

    Burn of first degree of unspecified thigh, sequela

  • T24.12

    Burn of first degree of knee

  • T24.121

    Burn of first degree of right knee

  • T24.121A

    Burn of first degree of right knee, initial encounter

  • T24.121D

    Burn of first degree of right knee, subsequent encounter

  • T24.121S

    Burn of first degree of right knee, sequela

  • T24.122

    Burn of first degree of left knee

  • T24.122A

    Burn of first degree of left knee, initial encounter

  • T24.122D

    Burn of first degree of left knee, subsequent encounter

  • T24.122S

    Burn of first degree of left knee, sequela

  • T24.129

    Burn of first degree of unspecified knee

  • T24.129A

    Burn of first degree of unspecified knee, initial encounter

  • T24.129D

    Burn of first degree of unspecified knee, subsequent encounter

  • T24.129S

    Burn of first degree of unspecified knee, sequela

  • T24.13

    Burn of first degree of lower leg

  • T24.131

    Burn of first degree of right lower leg

  • T24.131A

    Burn of first degree of right lower leg, initial encounter

  • T24.131D

    Burn of first degree of right lower leg, subsequent encounter

  • T24.131S

    Burn of first degree of right lower leg, sequela

  • T24.132

    Burn of first degree of left lower leg

  • T24.132A

    Burn of first degree of left lower leg, initial encounter

  • T24.132D

    Burn of first degree of left lower leg, subsequent encounter

  • T24.132S

    Burn of first degree of left lower leg, sequela

  • T24.139

    Burn of first degree of unspecified lower leg

  • T24.139A

    Burn of first degree of unspecified lower leg, initial encounter

  • T24.139D

    Burn of first degree of unspecified lower leg, subsequent encounter

  • T24.139S

    Burn of first degree of unspecified lower leg, sequela

  • T24.19

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

  • T24.191

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

  • T24.191A

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

  • T24.191D

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

  • T24.191S

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

  • T24.192

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

  • T24.192A

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

  • T24.192D

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

  • T24.192S

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

  • T24.199

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

  • T24.199A

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

  • T24.199D

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

  • T24.199S

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

  • T24.2

    Burn of second degree of lower limb, except ankle and foot

  • T24.20

    Burn of second degree of unspecified site of lower limb, except ankle and foot

  • T24.201

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

  • T24.201A

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

  • T24.201D

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

  • T24.201S

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

  • T24.202

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

  • T24.202A

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

  • T24.202D

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

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