preferred_name: Corrosion of unspecified degree of right ear [any part, except ear drum], subsequent encounter
preferred_name_lc: corrosion of unspecified degree of right ear [any part, except ear drum], subsequent encounter
label: Corrosion of unspecified degree of right ear [any part, except ear drum], subsequent encounter
label_lc: corrosion of unspecified degree of right ear [any part, except ear drum], subsequent encounter