Chapter VIII
Diseases of the ear and mastoid process
(H60-H95)

Other disorders of ear
(H90-H95)

H90 Conductive and sensorineural hearing loss
Includes: congenital deafness
Excludes: deaf mutism NEC ( H91.3 )
deafness NOS ( H91.9 )
hearing loss:
· NOS ( H91.9 )
· noise-induced ( H83.3 )
· ototoxic ( H91.0 )
· sudden (idiopathic) ( H91.2 )
H90.0 Conductive hearing loss, bilateral
H90.1 Conductive hearing loss, unilateral with unrestricted hearing on the contralateral side
H90.2 Conductive hearing loss, unspecified
Conductive deafness NOS
H90.3 Sensorineural hearing loss, bilateral
H90.4 Sensorineural hearing loss, unilateral with unrestricted hearing on the contralateral side
H90.5 Sensorineural hearing loss, unspecified
Congenital deafness NOS
Hearing loss:
· central
· neural
· perceptive
· sensory
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NOS
Sensorineural deafness NOS
H90.6 Mixed conductive and sensorineural hearing loss, bilateral
H90.7 Mixed conductive and sensorineural hearing loss, unilateral with unrestricted hearing on the contralateral side
H90.8 Mixed conductive and sensorineural hearing loss, unspecified

H91 Other hearing loss
Excludes: abnormal auditory perception ( H93.2 )
hearing loss as classified in H90.-
impacted cerumen ( H61.2 )
noise-induced hearing loss ( H83.3 )
psychogenic deafness ( F44.6 )
transient ischaemic deafness ( H93.0 )
H91.0 Ototoxic hearing loss
Use additional external cause code (Chapter XX), if desired, to identify toxic agent.
H91.1 Presbycusis
Presbyacusia
H91.2 Sudden idiopathic hearing loss
Sudden hearing loss NOS
H91.3 Deaf mutism, not elsewhere classified
H91.8 Other specified hearing loss
H91.9 Hearing loss, unspecified
Deafness:
· NOS
· high frequency
· low frequency

H92 Otalgia and effusion of ear
H92.0 Otalgia
H92.1 Otorrhoea
Excludes: leakage of cerebrospinal fluid through ear ( G96.0 )
H92.2 Otorrhagia
Excludes: traumatic otorrhagia - code by type of injury.

H93 Other disorders of ear, not elsewhere classified
H93.0 Degenerative and vascular disorders of ear
Transient ischaemic deafness
Excludes: presbycusis ( H91.1 )
H93.1 Tinnitus
H93.2 Other abnormal auditory perceptions
Auditory recruitment
Diplacusis
Hyperacusis
Temporary auditory threshold shift
Excludes: auditory hallucinations ( R44.0 )
H93.3 Disorders of acoustic nerve
Disorder of 8th cranial nerve
H93.8 Other specified disorders of ear
H93.9 Disorder of ear, unspecified

H94* Other disorders of ear in diseases classified elsewhere
H94.0* Acoustic neuritis in infectious and parasitic diseases classified elsewhere
Acoustic neuritis in syphilis ( A52.1+ )
H94.8* Other specified disorders of ear in diseases classified elsewhere

H95 Postprocedural disorders of ear and mastoid process, not elsewhere classified
H95.0 Recurrent cholesteatoma of postmastoidectomy cavity
H95.1 Other disorders following mastoidectomy
Chronic inflammation
Granulation
Mucosal cyst
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of postmastoidectomy cavity
H95.8 Other postprocedural disorders of ear and mastoid process
H95.9 Postprocedural disorder of ear and mastoid process, unspecified