T20.712 Corrosion of third degree of left ear [any part, except ear drum]Non-billable ICD-10-CM code.
T66 Radiation sickness, unspecified ("burns (T20-T31)")T67 Effects of heat and light ("burns (T20-T31)")T75 Other and unspecified effects of other external causes ("burns (electric) (T20-T31)")T20.71 Corrosion of third degree of ear [any part, except ear drum]T20.711 Corrosion of third degree of right ear [any part, except ear drum]T20.711A Corrosion of third degree of right ear [any part, except ear drum], initial encounterT20.711D Corrosion of third degree of right ear [any part, except ear drum], subsequent encounterT20.711S Corrosion of third degree of right ear [any part, except ear drum], sequelaT20.712 Corrosion of third degree of left ear [any part, except ear drum] (this code)T20.712A Corrosion of third degree of left ear [any part, except ear drum], initial encounterT20.712D Corrosion of third degree of left ear [any part, except ear drum], subsequent encounterT20.712S Corrosion of third degree of left ear [any part, except ear drum], sequelaT20.719 Corrosion of third degree of unspecified ear [any part, except ear drum]T20.719A Corrosion of third degree of unspecified ear [any part, except ear drum], initial encounter