ICD-10-CM > H60-H95 > H65-H75 > H71 > H71.9 H71.9 Unspecified cholesteatoma Non-Billable/Non-Specific Codes H71.90Unspecified cholesteatoma, unspecified earH71.91Unspecified cholesteatoma, right earH71.92Unspecified cholesteatoma, left earH71.93Unspecified cholesteatoma, bilateral