2006 ICD-9-CM Volume 1 Diagnosis Codes > Diseases Of The Nervous System And Sense Organs 320-389 > Diseases Of The Ear And Mastoid Process 380-389 > 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 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