T20-T25: Burns and corrosions of external body surface, specified by site

ICD-10-CM 2027 block T20-T25 in chapter 19 (Injury, poisoning and certain other consequences of external causes) has 6 categories.

Block notes

Includes:
  • 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]
Use additional code:
  • code from category T31 or T32 to identify extent of body surface involved