T20.61 - Corrosion of second degree of ear [any part, except ear drum] T20.6 - Corrosion of second degree of head, face, and neck T20.61 - Corrosion of second degree of ear [any part, except ear drum] T20.611 - Corrosion of second degree of right ear [any part, except ear drum] T20.612 - Corrosion of second degree of left ear [any part, except ear drum] T20.619 - Corrosion of second degree of unspecified ear [any part, except ear drum]