ICD-10-CM > S00-T88 > T20-T25 > T20 > T20.7 > T20.71 T20.71 Corrosion of third degree of ear [any part, except ear drum] Non-Billable/Non-Specific Type 2 Excludes corrosion of ear drum (T28.91-) Codes T20.711Corrosion of third degree of right ear [any part, except ear drum]T20.711A..., initial encounterT20.711D..., subsequent encounterT20.711S..., sequelaT20.712Corrosion of third degree of left ear [any part, except ear drum]T20.712A..., initial encounterT20.712D..., subsequent encounterT20.712S..., sequelaT20.719Corrosion of third degree of unspecified ear [any part, except ear drum]T20.719A..., initial encounterT20.719D..., subsequent encounterT20.719S..., sequela
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