List of ICD-9 codes 320–359: diseases of the nervous system

6a. Diseases of the nervous system (320–359)

Other headache syndromes (339–339)

(339) Other headache syndromes
- (339.0) Cluster headaches and other trigeminal autonomic cephalgias
  - (339.00) Cluster headache syndrome, unspecified
  - (339.01) Episodic cluster headache
  - (339.02) Chronic cluster headache
  - (339.03) Episodic paroxysmal hemicrania
  - (339.04) Chronic paroxysmal hemicrania
  - (339.05) Short-lasting unilateral neuralgiform headache with conjunctival injection and tearing
  - (339.09) Other trigeminal autonomic cephalgias
- (339.1) Tension type headache
  - (339.10) Tension type headache, unspecified
  - (339.11) Episodic tension type headache
  - (339.12) Chronic tension type headache
- (339.2) Post-traumatic headache
  - (339.20) Post-traumatic headache, unspecified
  - (339.21) Acute post-traumatic headache
  - (339.22) Chronic post-traumatic headache
- (339.3) Drug induced headache, not elsewhere classified
- (339.4) Complicated headache syndromes
  - (339.41) Hemicrania continua
  - (339.42) New daily persistent headache
  - (339.43) Primary thunderclap headache
  - (339.44) Other complicated headache syndrome
- (339.8) Other specified headache syndromes
  - (339.81) Hypnic headache
  - (339.82) Headache associated with sexual activity
  - (339.83) Primary cough headache
  - (339.84) Primary exertional headache
  - (339.85) Primary stabbing headache
  - (339.89) Other headache syndromes

Other disorders of the central nervous system (340–349)

(340) Multiple sclerosis
(341) Other demyelinating diseases of central nervous system
- (341.0) Neuromyelitis optica
- (341.1) Schilder's disease
- (341.2) Acute myelitis (transverse myelitis)
(342) Hemiplegia
- (342.0) Hemiplegia, flaccid
- (342.1) Hemiplegia, spastic
(343) Infantile cerebral palsy
(344) Other paralytic syndromes
- (344.0) Quadraplegia and quadraparesis
- (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
  - (344.81) Locked-in state
- (344.9) Paralysis unspecified
(345) Epilepsy
(346) Migraine
(347) Cataplexy and narcolepsy
- (347.0) Narcolepsy, w/o cataplexy
(348) Other conditions of brain
- (348.0) Cerebral cysts
- (348.1) Anoxic brain damage
- (348.2) Pseudotumor cerebri
- (348.3) Encephalopathy, unspec.
  - (348.31) Encephalopathy, metabolic
- (348.4) Compression of brain
- (348.5) Cerebral edema
(349) Other and unspecified disorders of the nervous system
- (349.0) Headache, post spinal puncture
  - Post dural puncture headache
- (349.8) Other specified disorders of nervous system
  - (349.81) Cerebrospinal fluid rhinorrhea
  - (349.82) Toxic encephalopathy

Disorders of the peripheral nervous system (350–359)

(350) Trigeminal nerve disorders
- (350.1) Trigeminal neuralgia
(351) Facial nerve disorders
- (351.0) Bell's palsy
(352) Disorders of other cranial nerves
(353) Nerve root and plexus disorders
- (353.0) Thoracic outlet syndrome
- (353.6) Phantom limb
(354) Mononeuritis of upper limb and 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 of upper limb
- (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
  - Morton's neuroma
- (355.7) Other mononeuritis of lower limb
- (355.8) Mononeuritis of lower limb unspecified
- (355.9) Mononeuritis of unspecified site
(356) Hereditary and idiopathic peripheral neuropathy
(357) Inflammatory and toxic neuropathy
(358) Myoneural disorders
- (358.0) Myasthenia gravis
  - (358.01) Myasthenia gravis without (acute) exacerbation
  - (358.02) Myasthenia gravis with (acute) exacerbation
- (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 and other myopathies
- (359.0) Congenital hereditary myopathies, including:
  - Benign congenital myopathy
  - Central core disease
  - Centronuclear myopathy
  - Myotubular myopathy
  - Nemaline body disease
- (359.1) Muscular dyst., hereditary

Brain	Encephalitis Viral encephalitis Herpesviral encephalitis Limbic encephalitis Encephalitis lethargica Cavernous sinus thrombosis Brain abscess Amoebic

Spinal cord	Myelitis: Poliomyelitis Demyelinating disease Transverse myelitis Tropical spastic paraparesis Epidural abscess

Both/either	Encephalomyelitis Acute disseminated Myalgic Meningoencephalitis

Brain/
encephalopathy

Degenerative

Extrapyramidal and movement disorders	Basal ganglia disease Parkinsonism PD Postencephalitic NMS PKAN Tauopathy PSP Striatonigral degeneration Hemiballismus HD OA Dyskinesia Dystonia Status dystonicus Spasmodic torticollis Meige's Blepharospasm Athetosis Chorea Choreoathetosis Myoclonus Myoclonic epilepsy Akathisia Tremor Essential tremor Intention tremor Restless legs Stiff person

Dementia	Tauopathy Alzheimer's Early-onset Primary progressive aphasia Frontotemporal dementia/Frontotemporal lobar degeneration Pick's Dementia with Lewy bodies Posterior cortical atrophy Vascular dementia

Mitochondrial disease	Leigh disease

Demyelinating

Episodic/
paroxysmal

Seizure/epilepsy	Focal Generalised Status epilepticus Myoclonic epilepsy

Headache	Migraine Familial hemiplegic Cluster Tension

Cerebrovascular	TIA Amaurosis fugax Transient global amnesia Acute aphasia Stroke MCA ACA PCA Foville's Millard–Gubler Lateral medullary Weber's Lacunar stroke

Sleep disorders	Insomnia Hypersomnia Sleep apnea Obstructive Congenital central hypoventilation syndrome Narcolepsy Cataplexy Kleine–Levin Circadian rhythm sleep disorder Advanced sleep phase disorder Delayed sleep phase disorder Non-24-hour sleep–wake disorder Jet lag

CSF

Other

Spinal cord/
myelopathy

Both/either

Degenerative

SA	Friedreich's ataxia Ataxia telangiectasia

MND	UMN only: Primary lateral sclerosis Pseudobulbar palsy Hereditary spastic paraplegia LMN only: Distal hereditary motor neuronopathies Spinal muscular atrophies SMA SMAX1 SMAX2 DSMA1 Congenital DSMA SMA-PCH SMA-LED SMA-PME Progressive muscular atrophy Progressive bulbar palsy Fazio–Londe Infantile progressive bulbar palsy both: Amyotrophic lateral sclerosis

Psychophysiology: Sleep and sleep disorders (F51 and G47 / 307.4 and 327)

Sleep stages

Brain waves

Sleep
disorders

Dyssomnia	Hypersomnia Insomnia Kleine–Levin syndrome Narcolepsy Sleep apnea Central hypoventilation syndrome Obesity hypoventilation syndrome Sleep state misperception

Circadian rhythm disorder	Advanced sleep phase disorder Delayed sleep phase disorder Irregular sleep–wake rhythm Jet lag Non-24-hour sleep–wake disorder Shift work sleep disorder

Parasomnia	Catathrenia Night terror Rapid eye movement sleep behavior disorder Sleepwalking Somniloquy

Other	Bruxism Night eating syndrome Nocturia Nocturnal myoclonus

Benign
phenomena

Related
topics

¹ Not a sleep disorder.

Diseases of the autonomic nervous system (G90, 337)

HSAN	I II III/Familial dysautonomia IV/Congenital insensitivity to pain with anhidrosis V

Orthostatic intolerance	Postural orthostatic tachycardia syndrome Orthostatic hypotension

Other	Horner's syndrome Multiple system atrophy Pure autonomic failure Autonomic dysreflexia Dysautonomia Autonomic neuropathy

Headache (G43–G44, 339, 346)

Primary

ICHD 1	Migraine Familial hemiplegic Retinal migraine

ICHD 2	Tension

ICHD 3	Cluster Chronic paroxysmal hemicrania SUNCT

ICHD 4	Hemicrania continua Thunderclap headache Sexual headache New daily persistent headache Hypnic headache

Secondary

ICHD 5	Migralepsy

ICHD 7	Ictal headache Post-dural-puncture headache

ICHD 8	Hangover Medication overuse headache

ICHD 13

Other

Vascular

Multiple sclerosis and other demyelinating diseases of CNS (G35–G37, 340–341)

Signs and symptoms	Ataxia Depression Diplopia Dysarthria Dysphagia Fatigue Incontinence Neurological fatigue Nystagmus Optic neuritis Pain Uhthoff's phenomenon Dawson's fingers

Diagnosis and evolution following	Diagnostic criteria for MS McDonald criteria Poser criteria EDSS Clinically isolated syndrome

Investigation	Pathophysiology Experimental autoimmune encephalomyelitis Multiple sclerosis drug pipeline Multiple sclerosis research

Approved Treatment	Interferon beta 1b Glatiramer acetate Interferon beta 1a Mitoxantrone Natalizumab Fingolimod Teriflunomide Dimethyl fumarate Alemtuzumab Daclizumab

Borderline forms	Acute disseminated encephalomyelitis Balo concentric sclerosis Neuromyelitis optica Marburg multiple sclerosis Schilder's disease Tumefactive multiple sclerosis (Autoimmune PNS diseases like Guillain-Barré syndrome and CIDP are normally set apart) AntiMOG associated encephalomyelitis

Other	List of people with multiple sclerosis List of multiple sclerosis organizations

Cerebral palsy and other syndromes (G80–G83, 342–344)

Paresis and plegia NOS	Paralysis Quadriplegia Triplegia Hemiplegia/Hemiparesis Paraplegia/Diplegia Monoplegia

Flaccidity vs. spasticity	Upper motor neuron lesion: Pseudobulbar palsy Spastic diplegia Spastic paraplegia Hereditary spastic paraplegia Lower motor neuron lesion: Bulbar palsy Flaccid paralysis

Specific types	Cerebral palsy Cauda equina syndrome Locked-in syndrome

Nervous system pathology, PNS, somatic (G50–G64, 350–357)

Nerve, nerve root, plexus

Cranial nerve
disease

Radiculopathy,
plexopathy

Mono-
neuropathy

Upper limb

median nerve:	Carpal tunnel syndrome Ape hand deformity

ulnar nerve:	Ulnar nerve entrapment Froment's sign Guyon's canal syndrome Ulnar claw

radial nerve:	Radial neuropathy Wrist drop Cheiralgia paresthetica

long thoracic nerve:	Winged scapula Backpack palsy

Lower limb

lateral cutaneous nerve of thigh:	Meralgia paraesthetica

tibial nerve:	Tarsal tunnel syndrome

plantar nerve:	Morton's neuroma

superior gluteal nerve:	Trendelenburg's sign

sciatic nerve:	Piriformis syndrome

General

Polyneuropathies/Polyradiculoneuropathy

HMSN	Charcot–Marie–Tooth disease Dejerine–Sottas disease Refsum's disease Hereditary spastic paraplegia Hereditary neuropathy with liability to pressure palsy Familial amyloid neuropathy

Autoimmune/demyelinating	Guillain–Barré syndrome Chronic inflammatory demyelinating polyneuropathy

Other	Alcoholic polyneuropathy

Diseases of myoneural junction and muscle / neuromuscular disease (G70–G73, 358–359)

Neuromuscular-
junction disease

autoimmune
- Myasthenia gravis
- Lambert–Eaton myasthenic syndrome

Myopathy/
congenital myopathy

Muscular dystrophy
(DAPC)

AD	Limb-girdle muscular dystrophy 1 Oculopharyngeal Facioscapulohumeral Myotonic Distal (most)

AR	Limb-girdle muscular dystrophy 2 Congenital Fukuyama Ullrich Walker–Warburg

XR	dystrophin Becker's Duchenne Emery–Dreifuss

Other structural

Channelopathy

Myotonia	Myotonia congenita Thomsen disease Neuromyotonia/Isaacs syndrome Paramyotonia congenita

Periodic paralysis	Hypokalemic Thyrotoxic Hyperkalemic

Other	Central core disease

Mitochondrial myopathy

Other

Inflammatory myopathy

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Meningitis and other diseases of meninges (G00–G03, 320–322)

Meningitis	Arachnoiditis Bacterial Tuberculous Haemophilus Pneumococcal Viral Herpesviral Fungal Cryptococcal Aseptic Drug-induced

Other	Meningoencephalitis

List of ICD-9 codes 320–359: diseases of the nervous system

6a. Diseases of the nervous system (320–359)

Inflammatory diseases of the central nervous system (320–327)

Hereditary and degenerative diseases of the central nervous system (330–337)

Pain (338–338)

Other headache syndromes (339–339)

Other disorders of the central nervous system (340–349)

Disorders of the peripheral nervous system (350–359)

See also