T24.63

Corrosion of second degree of lower leg

Requires 7th character

T24.63 requires a 7th character to be reported. Choose a complete code below.

Inclusion terms

Includes (from T24)

  • burns and corrosions of first degree [erythema]
  • burns and corrosions of second degree [blisters][epidermal loss]
  • burns and corrosions of third degree [deep necrosis of underlying tissue] [full- thickness skin loss]
  • Note: Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
  • Note: The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.

Excludes2

Not included here — may be reported together when both conditions exist.

  • birth trauma (P10-P15) (from T24)
  • obstetric trauma (O70-O71) (from T24)
  • burn and corrosion of ankle and foot (T25.-) (from T24)
  • burn and corrosion of hip region (T21.-) (from T24)

Code first

Sequence the underlying condition first.

Use additional code

Add a code to identify the following, if applicable.

  • external cause code to identify place (Y92) (from T24.6)
  • code to identify any retained foreign body, if applicable (Z18.-) (from T24)
  • code from category T31 or T32 to identify extent of body surface involved (from T24)

7th character

This code requires a 7th character (defined at T24). Use the placeholder "X" for missing positions.

CharacterMeaning
Ainitial encounter
Dsubsequent encounter
Ssequela

Parent code

  • T24.6Corrosion of second degree of lower limb, except ankle and footNeeds 7th char

More specific codes T24.63

  • T24.631Corrosion of second degree of right lower legNeeds 7th char
  • T24.632Corrosion of second degree of left lower legNeeds 7th char
  • T24.639Corrosion of second degree of unspecified lower legNeeds 7th char

Related codes

  • T24.60Corrosion of second degree of unspecified site of lower limb, except ankle and footNeeds 7th char
  • T24.61Corrosion of second degree of thighNeeds 7th char
  • T24.62Corrosion of second degree of kneeNeeds 7th char
  • T24.69Corrosion of second degree of multiple sites of lower limb, except ankle and footNeeds 7th char

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