Nonsuppurative otitis media

Suppurative and unspecified otitis media

Otitis media in diseases classified elsewhere

Eustachian salpingitis and obstruction

Other and unspecified disorders of Eustachian tube

Mastoiditis and related conditions

Cholesteatoma of middle ear

Perforation of tympanic membrane

Other disorders of tympanic membrane

Other disorders of middle ear mastoid

Other disorders of middle ear and mastoid in diseases classified elsewhere