6. DISEASES OF THE NERVOUS SYSTEM AND SENSE ORGANS (320-389)
DISEASES OF THE EAR AND MASTOID PROCESS (380-389)
Use additional external cause code, if applicable, to identify the cause of the ear condition
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
Excludes:
mastoiditis (383.0-383.9)
386: Vertiginous syndromes and other disorders of vestibular system
Excludes:
vertigo NOS (780.4)
387: Otosclerosis
Includes:
otospongiosis
388: Other disorders of ear
389: Hearing loss
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