All ICD10 Codes
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.-)
All CodesBillable Only
Internal Codes
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  • T24.42—

    Corrosion of unspecified degree of knee

  • T24.421—

    Corrosion of unspecified degree of right knee

  • T24.421A—

    Corrosion of unspecified degree of right knee, initial encounter

  • T24.421D—

    Corrosion of unspecified degree of right knee, subsequent encounter

  • T24.421S—

    Corrosion of unspecified degree of right knee, sequela

  • T24.422—

    Corrosion of unspecified degree of left knee

  • T24.422A—

    Corrosion of unspecified degree of left knee, initial encounter

  • T24.422D—

    Corrosion of unspecified degree of left knee, subsequent encounter

  • T24.422S—

    Corrosion of unspecified degree of left knee, sequela

  • T24.429—

    Corrosion of unspecified degree of unspecified knee

  • T24.429A—

    Corrosion of unspecified degree of unspecified knee, initial encounter

  • T24.429D—

    Corrosion of unspecified degree of unspecified knee, subsequent encounter

  • T24.429S—

    Corrosion of unspecified degree of unspecified knee, sequela

  • T24.43—

    Corrosion of unspecified degree of lower leg

  • T24.431—

    Corrosion of unspecified degree of right lower leg

  • T24.431A—

    Corrosion of unspecified degree of right lower leg, initial encounter

  • T24.431D—

    Corrosion of unspecified degree of right lower leg, subsequent encounter

  • T24.431S—

    Corrosion of unspecified degree of right lower leg, sequela

  • T24.432—

    Corrosion of unspecified degree of left lower leg

  • T24.432A—

    Corrosion of unspecified degree of left lower leg, initial encounter

  • T24.432D—

    Corrosion of unspecified degree of left lower leg, subsequent encounter

  • T24.432S—

    Corrosion of unspecified degree of left lower leg, sequela

  • T24.439—

    Corrosion of unspecified degree of unspecified lower leg

  • T24.439A—

    Corrosion of unspecified degree of unspecified lower leg, initial encounter

  • T24.439D—

    Corrosion of unspecified degree of unspecified lower leg, subsequent encounter

  • T24.439S—

    Corrosion of unspecified degree of unspecified lower leg, sequela

  • T24.49—

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

  • T24.491—

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

  • T24.491A—

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

  • T24.491D—

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

  • T24.491S—

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

  • T24.492—

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

  • T24.492A—

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

  • T24.492D—

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

  • T24.492S—

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

  • T24.499—

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

  • T24.499A—

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

  • T24.499D—

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

  • T24.499S—

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

  • T24.5—

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

  • T24.50—

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

  • T24.501—

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

  • T24.501A—

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

  • T24.501D—

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

  • T24.501S—

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

  • T24.502—

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

  • T24.502A—

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

  • T24.502D—

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

  • T24.502S—

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

  • T24.509—

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

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