H65 Nonsuppurative otitis media

H66 Suppurative and unspecified otitis media

H67 Otitis media in diseases classified elsewhere

H68 Eustachian salpingitis and obstruction

H69 Other disorders of Eustachian tube

H70 Mastoiditis and related conditions

H71 Cholesteatoma of middle ear

H72 Perfortion of lympanic membrane

H73 Other disorders of tympanic membrane

H74 Other disorders of middle ear and mastoid

H75 Other disorders of middle ear and mastoid in diseases classified elsewhere