T20-T25

Burns and corrosions of external body surface, specified by site

Block coding notes

Excludes 1 never together · Excludes 2 may co-exist

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 from category T31 or T32 to identify extent of body surface involved

Codes in this block

3334 codes

Billableusable codeNon-billableheader / grouping codeRisk-adjusting

Official Guidelines for T20-T25

FY 2026 ›