T20.5

Corrosion of first degree of head, face, and neck

Requires 7th character

T20.5 requires a 7th character to be reported. Choose a complete code below.

Inclusion terms

Includes (from T20)

  • 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 T20)
  • obstetric trauma (O70-O71) (from T20)
  • burn and corrosion of ear drum (T28.41, T28.91) (from T20)
  • burn and corrosion of eye and adnexa (T26.-) (from T20)
  • burn and corrosion of mouth and pharynx (T28.0) (from T20)

Code first

Sequence the underlying condition first.

  • (T51-T65) to identify chemical and intent

Use additional code

Add a code to identify the following, if applicable.

  • external cause code to identify place (Y92)
  • code to identify any retained foreign body, if applicable (Z18.-) (from T20)
  • code from category T31 or T32 to identify extent of body surface involved (from T20)

7th character

This code requires a 7th character (defined at T20). Use the placeholder "X" for missing positions.

CharacterMeaning
Ainitial encounter
Dsubsequent encounter
Ssequela

Parent code

  • T20Burn and corrosion of head, face, and neckNeeds 7th char

More specific codes T20.5

  • T20.50Corrosion of first degree of head, face, and neck, unspecified siteNeeds 7th char
  • T20.51Corrosion of first degree of ear [any part, except ear drum]Needs 7th char
  • T20.52Corrosion of first degree of lip(s)Needs 7th char
  • T20.53Corrosion of first degree of chinNeeds 7th char
  • T20.54Corrosion of first degree of nose (septum)Needs 7th char
  • T20.55Corrosion of first degree of scalp [any part]Needs 7th char
  • T20.56Corrosion of first degree of forehead and cheekNeeds 7th char
  • T20.57Corrosion of first degree of neckNeeds 7th char
  • T20.59Corrosion of first degree of multiple sites of head, face, and neckNeeds 7th char

Related codes

  • T20.0Burn of unspecified degree of head, face, and neckNeeds 7th char
  • T20.1Burn of first degree of head, face, and neckNeeds 7th char
  • T20.2Burn of second degree of head, face, and neckNeeds 7th char
  • T20.3Burn of third degree of head, face, and neckNeeds 7th char
  • T20.4Corrosion of unspecified degree of head, face, and neckNeeds 7th char
  • T20.6Corrosion of second degree of head, face, and neckNeeds 7th char
  • T20.7Corrosion of third degree of head, face, and neckNeeds 7th char

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