T33.42

Superficial frostbite of left arm

Requires 7th character

T33.42 requires a 7th character to be reported. Choose a complete code below.

Inclusion terms

Includes (from T33)

  • frostbite with partial 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.

  • superficial frostbite of wrist and hand (T33.5-) (from T33.4)
  • birth trauma (P10-P15) (from T33)
  • obstetric trauma (O70-O71) (from T33)
  • hypothermia and other effects of reduced temperature (T68, T69.-) (from T33)

Use additional code

Add a code to identify the following, if applicable.

  • code to identify any retained foreign body, if applicable (Z18.-) (from T33)

7th character

This code requires a 7th character (defined at T33). Use the placeholder "X" for missing positions.

CharacterMeaning
Ainitial encounter
Dsubsequent encounter
Ssequela

Parent code

  • T33.4Superficial frostbite of armNeeds 7th char

More specific codes T33.42

  • T33.42XASuperficial frostbite of left arm, initial encounterBillable
  • T33.42XDSuperficial frostbite of left arm, subsequent encounterBillable
  • T33.42XSSuperficial frostbite of left arm, sequelaBillable

Related codes

  • T33.40Superficial frostbite of unspecified armNeeds 7th char
  • T33.41Superficial frostbite of right armNeeds 7th char

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