ICD-10-CM > H60-H95 > H65-H75 > H71 > H71.0 H71.0 Cholesteatoma of attic Non-Billable/Non-Specific Codes H71.00Cholesteatoma of attic, unspecified earH71.01Cholesteatoma of attic, right earH71.02Cholesteatoma of attic, left earH71.03Cholesteatoma of attic, bilateral