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