ICD-9-CM
International Classification of Diseases
(320-389)
Diseases of the Nervous System and Sense Organs
320
Bacterial meningitis
320.0
Hemophilus meningitis
320.1 Pneumococcal meningitis
320.2 Streptococcal meningitis
320.3 Staphylococcal meningitis
320.7 Meningitis in other bacterial diseases classified
elsewhere
320.8 Meningitis due to other specified bacteria
320.9 Meningitis due to unspecified bacterium
321
Meningitis due to other organisms
321.0
Cryptococcal meningitis
321.1 Meningitis in other fungal diseases
321.2 Meningitis due to viruses not elsewhere classified
321.3 Meningitis due to trypanosomiasis
321.4 Meningitis in sarcoidosis
321.8 Meningitis due to other nonbacterial organisms
classified elsewhere
322
Meningitis of unspecified cause
322.0
Nonpyogenic meningitis
322.1 Eosinophilic meningitis
322.2 Chronic meningitis
322.9 Meningitis, unspecified
323
Encephalitis, myelitis, & encephalomyelitis
323.0
Encephalitis in viral diseases classified elsewhere
323.1 Encephalitis in rickettsial diseases classified
elsewhere
323.2 Encephalitis in protozoal diseases classified
elsewhere
323.4 Other encephalitis due to infection classified
elsewhere
323.5 Encephalitis following immunization procedures
323.6 Postinfectious encephalitis
323.7 Toxic encephalitis
323.8 Other causes of encephalitis
323.9 Unspecified cause of encephalitis
324
Intracranial & intraspinal abscess
324.0
Intracranial abscess
324.1 Intraspinal abscess
324.9 Intracranial & intraspinal abscess of unspecified
site
325
Phlebitis & thrombophlebitis of intracranial venous
sinuses
326 Late effects of intracranial abscess or pyogenic
infection
330 Cerebral degenerations usually manifest in childhood
330.0
Leukodystrophy
330.1 Cerebral lipidoses
330.2 Cerebral degeneration in generalized lipidoses
330.3 Cerebral degeneration of childhood in other
diseases classified elsewhere
330.8 Other specified cerebral degenerations in childhood
330.9 Unspecified cerebral degeneration in childhood
331
Other cerebral degenerations
331.0
Alzheimer"s disease
331.1 Pick"s disease
331.2 Senile degeneration of brain
331.3 Communicating hydrocephalus
331.4 Obstructive hydrocephalus
331.7 Cerebral degeneration in diseases classified
elsewhere
331.8 Other cerebral degeneration
331.9 Cerebral degeneration, unspecified
332
Parkinson"s disease
332.0
Paralysis agitans
332.1 Secondary Parkinsonism
333
Other extrapyramidal disease & abnormal movement disorders
333.0
Other degenerative diseases of the basal ganglia
333.1 Essential & other specified forms of tremor
333.2 Myoclonus
333.3 Tics of organic origin
333.4 Huntington"s chorea
333.5 Other choreas
333.6 Idiopathic torsion dystonia
333.7 Symptomatic torsion dystonia
333.8 Fragments of torsion dystonia
333.9 Other & unspecified extrapyramidal diseases
& abnormal movement disorders
334
Spinocerebellar disease
334.0
Friedreich"s ataxia
334.1 Hereditary spastic paraplegia
334.2 Primary cerebellar degeneration
334.3 Other cerebellar ataxia
334.4 Cerebellar ataxia in diseases classified elsewhere
334.8 Other spinocerebellar diseases
334.9 Spinocerebellar disease, unspecified
335
Anterior horn cell disease
335.0
Werdnig-Hoffmann disease
335.1 Spinal muscular atrophy
335.2 Motor neuron disease
335.8 Other anterior horn cell diseases
335.9 Anterior horn cell disease, unspecified
336
Other diseases of spinal cord
336.0
Syringomyelia & syringobulbia
336.1 Vascular myelopathies
336.2 Subacute combined degeneration of spinal cord
in diseases classified elsewhere
336.3 Myelopathy in other diseases classified elsewhere
336.8 Other myelopathy
336.9 Unspecified disease of spinal cord
337
Disorders of the autonomic nervous system
337.0
Idiopathic peripheral autonomic neuropathy
337.1 Peripheral autonomic neuropathy in disorders
classified elsewhere
337.9 Unspecified disorder of autonomic nervous system
340
Multiple sclerosis
341 Other demyelinating diseases of central nervous
system
341.0
Neuromyelitis optica
341.1 Schilder"s disease
341.8 Other demyelinating diseases of central nervous
system
341.9 Demyelinating disease of central nervous system,
unspecified
342
Hemiplegia
342.0
Flaccid hemiplegia
342.1 Spastic hemiplegia
342.9 Hemiplegia, unspecified
343
Infantile cerebral palsy
343.0
Congenital diplegia
343.1 Congenital hemiplegia
343.2 Congenital quadriplegia
343.3 Congenital monoplegia
343.4 Infantile hemiplegia
343.8 Other specified infantile cerebral palsy
343.9 Infantile cerebral palsy, unspecified
344
Other paralytic syndromes
344.0
Quadriplegia
344.1 Paraplegia
344.2 Diplegia of upper limbs
344.3 Monoplegia of lower limb
344.4 Monoplegia of upper limb
344.5 Unspecified monoplegia
344.6 Cauda equina syndrome
344.8 Other specified paralytic syndromes
344.9 Paralysis, unspecified
345
Epilepsy
345.0
Generalized nonconvulsive epilepsy
345.1 Generalized convulsive epilepsy
345.2 Petit mal status, epileptic
345.3 Grand mal status, epileptic
345.4 Partial epilepsy, with impairment of consciousness
345.5 Partial epilepsy, without mention of impairment
of consciousness
345.6 Infantile spasms
345.7 Epilepsia partialis continua
345.8 Other forms of epilepsy
345.9 Epilepsy, unspecified
346
Migraine
346.0
Classical migraine
346.1 Common migraine
346.2 Variants of migraine
346.8 Other forms of migraine
346.9 Migraine, unspecified
347
Cataplexy & narcolepsy
348 Other conditions of brain
348.0
Cerebral cysts
348.1 Anoxic brain damage
348.2 Benign intracranial hypertension
348.3 Encephalopathy, unspecified
348.4 Compression of brain
348.5 Cerebral edema
348.8 Other conditions of brain
348.9 Unspecified condition of brain
349
Other & unspecified disorders of the nervous system
349.0
Reaction to spinal or lumbar puncture
349.1 Nervous system complications from surgically
implanted device
349.2 Disorders of meninges, not elsewhere classified
349.8 Other specified disorders of nervous system
349.9 Unspecified disorders of nervous system
350.0
Trigeminal nerve disorders
350.1 Trigeminal neuralgia
350.2 Atypical face pain
350.8 Other specified trigeminal nerve disorders
350.9 Trigeminal nerve disorder, unspecified
351
Facial nerve disorders
351.0
Bell"s palsy
351.1 Geniculate ganglionitis
351.8 Other facial nerve disorders
351.9 Facial nerve disorder, unspecified
352
Disorders of other cranial nerves
352.0
Disorders of olfactory [1st] nerve
352.1 Glossopharyngeal neuralgia
352.2 Other disorders of glossopharyngeal [9th] nerve
352.3 Disorders of pneumogastric [10th] nerve
352.4 Disorders of accessory [11th] nerve
352.5 Disorders of hypoglossal [12th] nerve
352.6 Multiple cranial nerve palsies
352.9 Unspecified disorder of cranial nerves
353
Nerve root & plexus disorders
353.0
Brachial plexus lesions
353.1 Lumbosacral plexus lesions
353.2 Cervical root lesions, not elsewhere classified
353.3 Thoracic root lesions, not elsewhere classified
353.4 Lumbosacral root lesions, not elsewhere classified
353.5 Neuralgic amyotrophy
353.6 Phantom limb (syndrome)
353.8 Other nerve root & plexus disorders
353.9 Unspecified nerve root & plexus disorder
354
Mononeuritis of upper limb & mononeuritis multiplex
354.0
Carpal tunnel syndrome
354.1 Other lesion of median nerve
354.2 Lesion of ulnar nerve
354.3 Lesion of radial nerve
354.4 Causalgia
354.5 Mononeuritis multiplex
354.8 Other mononeuritis of upper limb
354.9 Mononeuritis of upper limb, unspecified
355
Mononeuritis of lower limb
355.0
Lesion of sciatic nerve
355.1 Meralgia paresthetica
355.2 Other lesion of femoral nerve
355.3 Lesion of lateral popliteal nerve
355.4 Lesion of medial popliteal nerve
355.5 Tarsal tunnel syndrome
355.6 Lesion of plantar nerve
355.7 Other mononeuritis of lower limb
355.8 Mononeuritis of lower limb, unspecified
355.9 Mononeuritis of unspecified site
356
Hereditary & idiopathic peripheral neuropathy
356.0
Hereditary peripheral neuropathy
356.1 Peroneal muscular atrophy
356.2 Hereditary sensory neuropathy
356.3 Refsum"s disease
356.4 Idiopathic progressive polyneuropathy
356.8 Other specified idiopathic peripheral neuropathy
356.9 Unspecified idiopathic peripheral neuropathy
357
Inflammatory & toxic neuropathy
357.0
Acute infective polyneuritis
357.1 Polyneuropathy in collagen vascular disease
357.2 Polyneuropathy in diabetes
357.3 Polyneuropathy in malignant disease
357.4 Polyneuropathy in other diseases classified
elsewhere
357.5 Alcoholic polyneuropathy
357.6 Polyneuropathy due to drugs
357.7 Polyneuropathy due to other toxic agents
357.8 Other inflammatory & toxic neuropathies
357.9 Unspecified inflammatory & toxic neuropathies
358
Myoneural disorders
358.0
Myasthenia gravis
358.1 Myasthenic syndromes in diseases classified
elsewhere
358.2 Toxic myoneural disorders
358.8 Other specified myoneural disorders
358.9 Myoneural disorders, unspecified
359
Muscular dystrophies & other myopathies
359.0
Congenital hereditary muscular dystrophy
359.1 Hereditary progressive muscular dystrophy
359.2 Myotonic disorders
359.3 Familial periodic paralysis
359.4 Toxic myopathy
359.5 Myopathy in endocrine diseases classified elsewhere
359.6 Symptomatic inflammatory myopathy in diseases
classified elsewhere
359.8 Other myopathies
359.9 Myopathy, unspecified
360
Disorders of the globe
360.0
Purulent endophthalmitis
360.1 Other endophthalmitis
360.2 Degenerative disorders of globe
360.3 Hypotony of eye
360.4 Degenerated conditions of globe
360.5 Retained (old) intraocular foreign body, magnetic
360.6 Retained (old) intraocular foreign body, nonmagnetic
360.8 Other disorders of globe
360.9 Unspecified disorder of globe
361
Retinal detachments & defects
361.0
Retinal detachment with retinal defect
361.1 Retinoschisis & retinal cysts
361.2 Serous retinal detachment
361.3 Retinal defects without detachment
361.8 Other forms of retinal detachment
361.9 Unspecified retinal detachment
362
Other retinal disorders
362.0
Diabetic retinopathy
362.1 Other background retinopathy & retinal
vascular changes
362.2 Other proliferative retinopathy
362.3 Retinal vascular occlusion
362.4 Separation of retinal layers
362.5 Degeneration of macula & posterior pole
of retina
362.6 Peripheral retinal degenerations
362.7 Hereditary retinal dystrophies
362.8 Other retinal disorders
362.9 Unspecified retinal disorder
363
Chorioretinal inflammations, scars, & other disorders
of choroid
363.0
Focal chorioretinitis & focal retinochoroiditis
363.1 Disseminated chorioretinitis & disseminated
retinochoroiditis
363.2 Other & unspecified forms of chorioretinitis
& retinochoroiditis
363.3 Chorioretinal scars
363.4 Choroidal degenerations
363.5 Hereditary choroidal dystrophies
363.6 Choroidal hemorrhage & rupture
363.7 Choroidal detachment
363.8 Other disorders of choroid
363.9 Unspecified disorder of choroid
364
Disorders of iris & ciliary body
364.0
Acute & subacute iridocyclitis
364.1 Chronic iridocyclitis
364.2 Certain types of iridocyclitis
364.3 Unspecified iridocyclitis
364.4 Vascular disorders of iris & ciliary body
364.5 Degenerations of iris & ciliary body
364.6 Cysts of iris, ciliary body, & anterior
chamber
364.7 Adhesions & disruptions of iris & ciliary
body
364.8 Other disorders of iris & ciliary body
364.9 Unspecified disorder of iris & ciliary
body
365
Glaucoma
365.0
Borderline glaucoma [glaucoma suspect]
365.1 Open-angle glaucoma
365.2 Primary angle-closure glaucoma
365.3 Corticosteroid-induced glaucoma
365.4 Glaucoma associated with congenital anomalies,
dystrophies, & systemic syndromes
365.5 Glaucoma associated with disorders of the lens
365.6 Glaucoma associated with other ocular disorders
365.8 Other specified forms of glaucoma
365.9 Unspecified glaucoma
366
Cataract
366.0
Infantile, juvenile, & presenile cataract
366.1 Senile cataract
366.2 Traumatic cataract
366.3 Cataract secondary to ocular disorders
366.4 Cataract associated with other disorders
366.5 After-cataract
366.8 Other cataract
366.9 Unspecified cataract
367
Disorders of refraction & accommodation
367.0
Hypermetropia
367.1 Myopia
367.2 Astigmatism
367.3 Anisometropia & aniseikonia
367.4 Presbyopia
367.5 Disorders of accommodation
367.8 Other disorders of refraction & accommodation
367.9 Unspecified disorder of refraction & accommodation
368
Visual disturbances
368.0
Amblyopia ex anopsia
368.1 Subjective visual disturbances
368.2 Diplopia
368.3 Other disorders of binocular vision
368.4 Visual field defects
368.5 Color vision deficiencies
368.6 Night blindness
368.8 Other specified visual disturbances
368.9 Unspecified visual disturbance
369
Blindness & low vision
369.0
Profound vision impairment, both eyes
369.1 Moderate or severe vision impairment, better
eye; profound vision impairment of lesser eye
369.2 Moderate or severe vision impairment, both
eyes
369.3 Unqualified visual loss, both eyes
369.4 Legal blindness, as defined in U.S.A.
369.6 Profound vision impairment, one eye
369.7 Moderate or severe vision impairment, one eye
369.8 Unqualified visual loss, one eye
369.9 Unspecified visual loss
370
Keratitis
370.0
Corneal ulcer
370.2 Superficial keratitis without conjunctivitis
370.3 Certain types of keratoconjunctivitis
370.4 Other & unspecified keratoconjunctivitis
370.5 Interstitial & deep keratitis
370.6 Corneal neovascularization
370.8 Other forms of keratitis
370.9 Unspecified keratitis
371
Corneal opacity & other disorders of cornea
371.0
Corneal scars & opacities
371.1 Corneal pigmentations & deposits
371.2 Corneal edema
371.3 Changes of corneal membranes
371.4 Corneal degenerations
371.5 Hereditary corneal dystrophies
371.6 Keratoconus
371.7 Other corneal deformities
371.8 Other corneal disorders
371.9 Unspecified corneal disorder
372
Disorders of conjunctiva
372.0
Acute conjunctivitis
372.1 Chronic conjunctivitis
372.2 Blepharoconjunctivitis
372.3 Other & unspecified conjunctivitis
372.4 Pterygium
372.5 Conjunctival degenerations & deposits
372.6 Conjunctival scars
372.7 Conjunctival vascular disorders & cysts
372.8 Other disorders of conjunctiva
372.9 Unspecified disorder of conjunctiva
373
Inflammation of eyelids
373.0
Blepharitis
373.1 Hordeolum & other deep inflammation of
eyelid
373.2 Chalazion
373.3 Noninfectious dermatoses of eyelid
373.4 Infective dermatitis of eyelid of types resulting
in deformity
373.5 Other infective dermatitis of eyelid
373.6 Parasitic infestation of eyelid
373.8 Other inflammations of eyelids
373.9 Unspecified inflammation of eyelid
374
Other disorders of eyelids
374.0
Entropion & trichiasis of eyelid
374.1 Ectropion
374.2 Lagophthalmos
374.3 Ptosis of eyelid
374.4 Other disorders affecting eyelid function
374.5 Degenerative disorders of eyelid & periocular
area
374.8 Other disorders of eyelid
374.9 Unspecified disorder of eyelid
375
Disorders of lacrimal system
375.0
Dacryoadenitis
375.1 Other disorders of lacrimal gland
375.2 Epiphora
375.3 Acute & unspecified inflammation of lacrimal
passages
375.4 Chronic inflammation of lacrimal passages
375.5 Stenosis & insufficiency of lacrimal passages
375.6 Other changes of lacrimal passages
375.8 Other disorders of lacrimal system
375.9 Unspecified disorder of lacrimal system
376
Disorders of the orbit
376.0
Acute inflammation of orbit
376.1 Chronic inflammatory disorders of orbit
376.2 Endocrine exophthalmos
376.3 Other exophthalmic conditions
376.4 Deformity of orbit
376.5 Enophthalmos
376.6 Retained (old) foreign body following penetrating
wound of orbit
376.8 Other orbital disorders
376.9 Unspecified disorder of orbit
377
Disorders of optic nerve & visual pathways
377.0
Papilledema
377.1 Optic atrophy
377.2 Other disorders of optic disc
377.3 Optic neuritis
377.4 Other disorders of optic nerve
377.5 Disorders of optic chiasm
377.6 Disorders of other visual pathways
377.7 Disorders of visual cortex
377.9 Unspecified disorder of optic nerve & visual
pathways
378
Strabismus & other disorders of binocular eye movements
378.0
Esotropia
378.1 Exotropia
378.2 Intermittent heterotropia
378.3 Other & unspecified heterotropia
378.4 Heterophoria
378.5 Paralytic strabismus
378.6 Mechanical strabismus
378.7 Other specified strabismus
378.8 Other disorders of binocular eye movements
378.9 Unspecified disorder of eye movements
379
Other disorders of eye
379.0
Scleritis & episcleritis
379.1 Other disorders of sclera
379.2 Disorders of vitreous body
379.3 Aphakia & other disorders of lens
379.4 Anomalies of pupillary function
379.5 Nystagmus & other irregular eye movements
379.8 Other specified disorders of eye & adnexa
379.9 Unspecified disorder of eye & adnexa
380
Disorders of external ear
380.0
Perichondritis of pinna
380.1 Infective otitis externa
380.2 Other otitis externa
380.3 Noninfectious disorders of pinna
380.4 Impacted cerumen
380.5 Acquired stenosis of external ear canal
380.8 Other disorders of external ear
380.9 Unspecified disorder of external ear
381
Nonsuppurative otitis media & Eustachian tube disorders
381.0
Acute nonsuppurative otitis media
381.1 Chronic serous otitis media
381.2 Chronic mucoid otitis media
381.3 Other & unspecified chronic nonsuppurative
otitis media
381.4 Nonsuppurative otitis media, not specified
as acute or chronic
381.5 Eustachian salpingitis
381.6 Obstruction of Eustachian tube
381.7 Patulous Eustachian tube
381.8 Other disorders of Eustachian tube
381.9 Unspecified Eustachian tube disorder
382
Suppurative & unspecified otitis media
382.0
Acute suppurative otitis media
382.1 Chronic tubotympanic suppurative otitis media
382.2 Chronic atticoantral suppurative otitis media
382.3 Unspecified chronic suppurative otitis media
382.4 Unspecified suppurative otitis media
382.9 Unspecified otitis media
383
Mastoiditis & related conditions
383.0
Acute mastoiditis
383.1 Chronic mastoiditis
383.2 Petrositis
383.3 Complications following mastoidectomy
383.8 Other disorders of mastoid
383.9 Unspecified mastoiditis
384
Other disorders of tympanic membrane
384.0
Acute myringitis without mention of otitis media
384.1 Chronic myringitis without mention of otitis
media
384.2 Perforation of tympanic membrane
384.8 Other specified disorders of tympanic membrane
384.9 Unspecified disorder of tympanic membrane
385
Other disorders of middle ear & mastoid
385.0
Tympanosclerosis
385.1 Adhesive middle ear disease
385.2 Other acquired abnormality of ear ossicles
385.3 Cholesteatoma of middle ear & mastoid
385.8 Other disorders of middle ear & mastoid
385.9 Unspecified disorder of middle ear & mastoid
386
Vertiginous syndromes & other disorders of vestibular
system
386.0
Meniere"s disease
386.1 Other & unspecified peripheral vertigo
386.2 Vertigo of central origin
386.3 Labyrinthitis
386.4 Labyrinthine fistula
386.5 Labyrinthine dysfunction
386.8 Other disorders of labyrinth
386.9 Unspecified vertiginous syndromes & labyrinthine
disorders
387
Otosclerosis
387.0
Otosclerosis involving oval window, nonobliterative
387.1 Otosclerosis involving oval window, obliterative
387.2 Cochlear otosclerosis
387.8 Other otosclerosis
387.9 Otosclerosis, unspecified
388
Other disorders of ear
388.0
Degenerative & vascular disorders of ear
388.1 Noise effects on inner ear
388.2 Sudden hearing loss, unspecified
388.3 Tinnitus
388.4 Other abnormal auditory perception
388.5 Disorders of acoustic nerve
388.6 Otorrhea
388.7 Otalgia
388.8 Other disorders of ear
388.9 Unspecified disorder of ear
389
Hearing loss
389.0
Conductive hearing loss
389.1 Sensorineural hearing loss
389.2 Mixed conductive & sensorineural hearing
loss
389.7 Deaf mutism, not elsewhere classifiable
389.8 Other specified forms of hearing loss
389.9 Unspecified hearing loss
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