• 380 Disorders of external ear
  • 381 Nonsuppurative otitis media and eustachian tube disorders
  • 382 Suppurative and unspecified otitis media
  • 383 Mastoiditis and related conditions
  • 384 Other disorders of tympanic membrane
  • 385 Other disorders of middle ear and mastoid
  • 386 Vertiginous syndromes and other disorders of vestibular system
  • 387 Otosclerosis
  • 388 Other disorders of ear
  • 389 Hearing loss