- Codes Description
- T20.419A
Corrosion of unspecified degree of unspecified ear [any part, except ear drum], initial encounter
- T20.419D
Corrosion of unspecified degree of unspecified ear [any part, except ear drum], subsequent encounter
- T20.419S
Corrosion of unspecified degree of unspecified ear [any part, except ear drum], sequela