T20.5
Corrosion of first degree of head and neck
Sibling codes
T20Burn and corrosion of head and neckT20.0Burn of unspecified degree of head and neckT20.1Burn of first degree of head and neckT20.2Burn of second degree [partial thickness] of head and neckT20.3Burn of third degree [full thickness] of head and neckT20.4Corrosion of unspecified degree of head and neckT20.6Corrosion of second degree of head and neckT20.7Corrosion of third degree of head and neck