ICD-10-CM > S00-T88 > T20-T25 > T20 > T20.4 > T20.41 T20.41 Corrosion of unspecified degree of ear [any part, except ear drum] Non-Billable/Non-Specific Type 2 Excludes corrosion of ear drum (T28.91-) Codes T20.411Corrosion of unspecified degree of right ear [any part, except ear drum]T20.411A..., initial encounterT20.411D..., subsequent encounterT20.411S..., sequelaT20.412Corrosion of unspecified degree of left ear [any part, except ear drum]T20.412A..., initial encounterT20.412D..., subsequent encounterT20.412S..., sequelaT20.419Corrosion of unspecified degree of unspecified ear [any part, except ear drum]T20.419A..., initial encounterT20.419D..., subsequent encounterT20.419S..., sequela
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