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699 Corrosion of second degree of unspecified ankle and foot

T25.7 Corrosion of third degree of ankle and foot
Code first (T51-T65) to identify chemical and intent
Use additional external cause code to identify place (Y92)
T25.71 Corrosion of third degree of ankle
T25.711 Corrosion of third degree of right ankle
T25.712 Corrosion of third degree of left ankle
T25.719 Corrosion of third degree of unspecified ankle
T25.72 Corrosion of third degree of foot
Excludes2: corrosion of third degree of toe(s) (nail) (T25.73-)
T25.721 Corrosion of third degree of right foot
T25.722 Corrosion of third degree of left foot
T25.729 Corrosion of third degree of unspecified foot
T25.73 Corrosion of third degree of toe(s) (nail)
T25.731 Corrosion of third degree of right toe(s) (nail)
T25.732 Corrosion of third degree of left toe(s) (nail)
T25.739 Corrosion of third degree of unspecified toe(s) (nail)
T25.79 Corrosion of third degree of multiple sites of ankle and foot
T25.791 Corrosion of third degree of multiple sites of right ankle and foot
T25.792 Corrosion of third degree of multiple sites of left ankle and foot
T25.799 Corrosion of third degree of multiple sites of unspecified ankle and foot

Burns and corrosions confined to eye and internal organs (T26-T28)

T26 Burn and corrosion confined to eye and adnexa

The appropriate 7th character is to be added to each code from category T26
A initial encounter
D subsequent encounter
S sequela
T26.0 Burn of eyelid and periocular area
Use additional external cause code to identify the source, place and intent of the burn (X00-X19, X75-X77, X96-X98, Y92)
T26.00 Burn of eyelid and periocular area, unspecified side
T26.01 Burn of right eyelid and periocular area
T26.02 Burn of left eyelid and periocular area
T26.