H71 - Cholesteatoma of middle ear
H71.1 - Cholesteatoma of tympanum
H71.10 - Cholesteatoma of tympanum, unspecified ear
H71.11 - Cholesteatoma of tympanum, right ear
H71.12 - Cholesteatoma of tympanum, left ear
H71.13 - Cholesteatoma of tympanum, bilateral