T22.43

Corrosion of unspecified degree of upper arm

Requires 7th character

T22.43 requires a 7th character to be reported. Choose a complete code below.

Inclusion terms

Includes (from T22)

  • 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 T22)
  • obstetric trauma (O70-O71) (from T22)
  • burn and corrosion of interscapular region (T21.-) (from T22)
  • burn and corrosion of wrist and hand (T23.-) (from T22)

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 T22.4)
  • code to identify any retained foreign body, if applicable (Z18.-) (from T22)
  • code from category T31 or T32 to identify extent of body surface involved (from T22)

7th character

This code requires a 7th character (defined at T22). Use the placeholder "X" for missing positions.

CharacterMeaning
Ainitial encounter
Dsubsequent encounter
Ssequela

Parent code

  • T22.4Corrosion of unspecified degree of shoulder and upper limb, except wrist and handNeeds 7th char

More specific codes T22.43

  • T22.431Corrosion of unspecified degree of right upper armNeeds 7th char
  • T22.432Corrosion of unspecified degree of left upper armNeeds 7th char
  • T22.439Corrosion of unspecified degree of unspecified upper armNeeds 7th char

Related codes

  • T22.40Corrosion of unspecified degree of shoulder and upper limb, except wrist and hand, unspecified siteNeeds 7th char
  • T22.41Corrosion of unspecified degree of forearmNeeds 7th char
  • T22.42Corrosion of unspecified degree of elbowNeeds 7th char
  • T22.44Corrosion of unspecified degree of axillaNeeds 7th char
  • T22.45Corrosion of unspecified degree of shoulderNeeds 7th char
  • T22.46Corrosion of unspecified degree of scapular regionNeeds 7th char
  • T22.49Corrosion of unspecified degree of multiple sites of shoulder and upper limb, except wrist and handNeeds 7th char

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