ICD-10 Chapter VI: Diseases of the nervous system

International Statistical Classification of Diseases and Related Health Problems 10th Revision
Chapter	Blocks	Title
I	A00–B99	Certain infectious and parasitic diseases
II	C00–D48	Neoplasms
III	D50–D89	Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
IV	E00–E90	Endocrine, nutritional and metabolic diseases
V	F00–F99	Mental and behavioural disorders
VI	G00–G99	Diseases of the nervous system
VII	H00–H59	Diseases of the eye and adnexa
VIII	H60–H95	Diseases of the ear and mastoid process
IX	I00–I99	Diseases of the circulatory system
X	J00–J99	Diseases of the respiratory system
XI	K00–K93	Diseases of the digestive system
XII	L00–L99	Diseases of the skin and subcutaneous tissue
XIII	M00–M99	Diseases of the musculoskeletal system and connective tissue
XIV	N00–N99	Diseases of the genitourinary system
XV	O00–O99	Pregnancy, childbirth and the puerperium
XVI	P00–P96	Certain conditions originating in the perinatal period
XVII	Q00–Q99	Congenital malformations, deformations and chromosomal abnormalities
XVIII	R00–R99	Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
XIX	S00–T98	Injury, poisoning and certain other consequences of external causes
XX	V01–Y98	External causes of morbidity and mortality
XXI	Z00–Z99	Factors influencing health status and contact with health services
XXII	U00–U99	Codes for special purposes

The International Statistical Classification of Diseases and Related Health Problems 10th Revision (ICD-10) is a coding of diseases and signs, symptoms, abnormal findings, complaints, social circumstances and external causes of injury or diseases, as classified by the World Health Organization (WHO).^[1] This page contains ICD-10 Chapter VI: Diseases of the nervous system.

G00–G99 – Diseases of the nervous system

(G00–G09) Inflammatory diseases of the central nervous system

(G00) Bacterial meningitis, not elsewhere classified
- (G00.0) Haemophilus meningitis
- (G00.1) Pneumococcal meningitis
- (G00.2) Streptococcal meningitis
- (G00.3) Staphylococcal meningitis
- (G00.8) Other bacterial meningitis
  - Meningitis due to Escherichia coli
  - Meningitis due to Friedländer bacillus
  - Meningitis due to Klebsiella
- (G00.9) Bacterial meningitis, unspecified
(G01) Meningitis in bacterial diseases classified elsewhere
(G02) Meningitis in other infectious and parasitic diseases classified elsewhere
(G03) Meningitis due to other and unspecified causes
- (G03.0) Nonpyogenic meningitis
- (G03.1) Chronic meningitis
- (G03.2) Benign recurrent meningitis (Mollaret)
- (G03.8) Meningitis due to other specified causes
- (G03.9) Meningitis, unspecifiedy
  - Arachnoiditis (spinal) NOS
(G04) Encephalitis, myelitis and encephalomyelitis
- (G04.0) Acute disseminated encephalitis
- (G04.1) Tropical spastic paraplegia
- (G04.2) Bacterial meningoencephalitis and meningomyelitis, not elsewhere classified
- (G04.8) Other encephalitis, myelitis and encephalomyelitis
- (G04.9) Encephalitis, myelitis and encephalomyelitis, unspecified
(G05) Encephalitis, myelitis and encephalomyelitis in diseases classified elsewhere
(G06) Intracranial and intraspinal abscess and granuloma
(G07) Intracranial and intraspinal abscess and granuloma in diseases classified elsewhere
(G08) Intracranial and intraspinal phlebitis and thrombophlebitis
(G09) Sequelae of inflammatory diseases of central nervous system

(G40–G47) Episodic and paroxysmal disorders

Epilepsy

(G40) Epilepsy
- (G40.0) Localization-related (focal)(partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset
- (G40.1) Localization-related (focal)(partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures
- (G40.2) Localization-related (focal)(partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures
- (G40.3) Generalized idiopathic epilepsy and epileptic syndromes
  - Benign:
    - myoclonic epilepsy in infancy
    - neonatal convulsions (familial)
  - Childhood absence epilepsy (pyknolepsy)
  - Epilepsy with grand mal seizures on awakening
  - Juvenile:
    - absence epilepsy
    - myoclonic epilepsy (impulsive petit mal)
  - Nonspecific epileptic seizures:
    - atonic
    - clonic
    - myoclonic
    - tonic
    - tonic-clonic
- (G40.4) Other generalized epilepsy and epileptic syndromes
  - Epilepsy with:
    - myoclonic absences
    - myoclonic-astatic seizures
  - Infantile spasms
  - Lennox-Gastaut syndrome
  - Salaam attacks
  - Symptomatic early myoclonic encephalopathy
  - West's syndrome
- (G40.5) Special epileptic syndromes
  - Epilepsia partialis continua (Kozhevnikov)
- (G40.6) Grand mal seizures, unspecified (with or without petit mal)
- (G40.7) Petit mal, unspecified, without grand mal seizures
- (G40.8) Other epilepsy
  - Epilepsies and epileptic syndromes undetermined as to whether they are focal or generalized
- (G40.9) Epilepsy, unspecified
(G41) Status epilepticus
- (G41.0) Grand mal status epilepticus
- (G41.1) Petit mal status epilepticus
- (G41.2) Complex partial status epilepticus
- (G41.8) Other status epilepticus
- (G41.9) Status epilepticus, unspecified

Headaches

(G43) Migraine
- (G43.0) Migraine without aura (common migraine)
- (G43.1) Migraine with aura (classical migraine)
- (G43.2) Status migrainosus
- (G43.3) Complicated migraine
- (G43.8) Other migraine
- (G43.9) Migraine, unspecified
(G44) Other headache syndromes
- (G44.0) Cluster headache syndrome
- (G44.1) Vascular headache, not elsewhere classified
- (G44.2) Tension-type headache
- (G44.3) Chronic post-traumatic headache
- (G44.4) Drug-induced headache, not elsewhere classified
- (G44.8) Other specified headache syndromes

Cerebrovascular

(G45) Transient cerebral ischaemic attacks and related syndromes
- (G45.0) Vertebrobasilar artery syndrome
- (G45.1) Carotid artery syndrome (hemispheric)
- (G45.2) Multiple and bilateral precerebral artery syndromes
- (G45.3) Amaurosis fugax
- (G45.4) Transient global amnesia
- (G45.8) Other transient cerebral ischaemic attacks and related syndromes
- (G45.9) Transient cerebral ischaemic attack, unspecified
(G46) Vascular syndromes of brain in cerebrovascular diseases
- (G46.0) Middle cerebral artery syndrome
- (G46.1) Anterior cerebral artery syndrome
- (G46.2) Posterior cerebral artery syndrome
- (G46.3) Brain stem stroke syndrome
- (G46.4) Cerebellar stroke syndrome
- (G46.5) Pure motor lacunar syndrome
- (G46.6) Pure sensory lacunar syndrome
- (G46.7) Other lacunar syndromes
- (G46.8) Other vascular syndromes of brain in cerebrovascular diseases

Sleep disorders

(G47) Sleep disorders
- (G47.0) Disorders of initiating and maintaining sleep (insomnias)
- (G47.1) Disorders of excessive somnolence (hypersomnias)
- (G47.2) Disruptions in circadian rhythm including jet lag
- (G47.3) Sleep apnoea
- (G47.4) Narcolepsy and cataplexy

(G50–G59) Nerve, nerve root and plexus disorders

(G50) Disorders of trigeminal nerve (V)
- (G50.0) Trigeminal neuralgia
(G51) Facial nerve disorders (VII)
- (G51.0) Bell's palsy
  - Facial palsy
- (G51.1) Geniculate ganglionitis
- (G51.2) Melkersson's syndrome
  - Melkersson-Rosenthal syndrome
- (G51.3) Clonic hemifacial spasm
- (G51.4) Facial myokymia
- (G51.8) Other disorders of facial nerve
- (G51.8) Disorder of facial nerve, unspecified
(G52) Disorders of other cranial nerves
- (G52.0) Disorders of olfactory nerve (I)
- (G52.1) Disorders of glossopharyngeal nerve (IX)
- (G52.2) Disorders of vagus nerve (X)
- (G52.3) Disorders of hypoglossal nerve (XII)
- (G52.7) Disorders of multiple cranial nerves
- (G52.8) Disorders of other specified cranial nerves
- (G52.9) Cranial nerve disorder, unspecified
(G53) Cranial nerve disorders in diseases classified elsewhere
(G54) Nerve root and plexus disorders
- (G54.0) Brachial plexus disorders
  - Thoracic outlet syndrome
- (G54.1) Lumbosacral plexus disorders
- (G54.2) Cervical root disorders, not elsewhere classified
- (G54.3) Thoracic root disorders, not elsewhere classified
- (G54.4) Lumbosacral root disorders, not elsewhere classified
- (G54.5) Neuralgic Amyotrophy
  - Parsonage-Aldren-Turner syndrome
- (G54.6) Phantom limb syndrome with pain
- (G54.7) Phantom limb syndrome without pain
(G55) Nerve root and plexus compressions in diseases classified elsewhere
(G56) Mononeuropathies of upper limb
- (G56.0) Carpal tunnel syndrome
- (G56.1) Other lesions of median nerve
- (G56.2) Lesion of ulnar nerve
  - Tardy ulnar nerve palsy
- (G56.3) Lesion of radial nerve
- (G56.4) Causalgia
- (G56.8) Other mononeuropathies of upper limb
  - Interdigital neuroma of upper limb
- (G56.9) Mononeuropathy of upper limb, unspecified
(G57) Mononeuropathies of lower limb
- (G57.0) Lesion of sciatic nerve
- (G57.1) Meralgia paraesthetica
- (G57.2) Lesion of femoral nerve
- (G57.3) Lesion of lateral popliteal nerve
- (G57.4) Lesion of medial popliteal nerve
- (G57.5) Tarsal tunnel syndrome
- (G57.6) Lesion of plantar nerve
  - Morton's metatarsalgia
- (G57.8) Other mononeuropathies of lower limb
- (G57.9) Mononeuropathy of lower limb, unspecified
(G58) Other mononeuropathies
- (G58.0) Intercostal neuropathy
- (G58.7) Mononeuritis multiplex
- (G58.8) Other specified mononeuropathies
- (G58.9) Mononeuropathy, unspecified
(G59) Mononeuropathy in diseases classified elsewhere

(G60–G64) Polyneuropathies and other disorders of the peripheral nervous system

(G60) Hereditary and idiopathic neuropathy
- (G60.0) Hereditary motor and sensory neuropathy
  - Charcot–Marie–Tooth disease
  - Dejerine–Sottas disease
  - Hereditary motor and sensory neuropathy, types I-IV
  - Hypertrophic neuropathy of infancy
  - Peroneal muscular atrophy (axonal type) (hypertrophic type)
  - Roussy–Lévy syndrome
- (G60.1) Refsum's disease
- (G60.2) Neuropathy in association with hereditary ataxia
- (G60.3) Idiopathic progressive neuropathy
- (G60.8) Other hereditary and idiopathic neuropathies
  - Morvan's disease
  - Nelaton's syndrome
  - Sensory neuropathy
- (G60.9) Hereditary and idiopathic neuropathy, unspecified
(G61) Inflammatory polyneuropathy
- (G61.0) Guillain–Barré syndrome
- (G61.1) Serum neuropathy
- (G61.8) Other inflammatory polyneuropathies
- (G61.9) Inflammatory polyneuropathy, unspecified
(G62) Other polyneuropathies
- (G62.0) Drug-induced polyneuropathy
- (G62.1) Alcoholic polyneuropathy
- (G62.2) Polyneuropathy due to other toxic agents
- (G62.8) Other specified polyneuropathies
- (G62.9) Polyneuropathy, unspecified
  - Neuropathy NOS
(G63) Polyneuropathy in diseases classified elsewhere
(G64) Other Disorders of peripheral nervous system

(G70–G73) Diseases of myoneural junction and muscle

(G70) Myasthenia gravis and other myoneural disorders
- (G70.0) Myasthenia gravis
- (G70.1) Toxic myoneural disorders
- (G70.2) Congenital and developmental myasthenia
(G71) Primary disorders of muscles
- (G71.0) Muscular dystrophy
  - benign muscular dystrophy (Becker muscular dystrophy)
  - benign scapuloperoneal muscular dystrophy with early contractures (Emery-Dreifuss muscular dystrophy)
  - distal muscular dystrophy
  - facioscapulohumeral muscular dystrophy
  - limb-girdle muscular dystrophy
  - ocular muscular dystrophy
  - oculopharyngeal muscular dystrophy
  - scapuloperoneal muscular dystrophy
  - severe muscular dystrophy (Duchenne muscular dystrophy)
- (G71.1) Myotonic disorders
  - Dystrophia myotonica (Steinert)
  - chondrodystrophic myotonia
  - drug-induced myotonia
  - symptomatic myotonia
  - Myotonia congenita – NOS:
  - Myotonia congenita – dominant (Thomsen)
  - Myotonia congenita – recessive (Becker)
  - Neuromyotonia (Isaacs)
  - Paramyotonia congenita
  - Pseudomyotonia
- (G71.2) Congenital myopathies, including:
  - Central core disease
  - Congenital muscular dystrophy
  - Centronuclear myopathy
  - Fibre-type disproportion
  - Minicore disease
  - Multicore disease
  - Myotubular myopathy
  - Nemaline myopathy
- (G71.3) Mitochondrial myopathy, not elsewhere classified
(G72) Other myopathies
- (G72.0) Drug-induced myopathy
- (G72.1) Alcoholic myopathy
- (G72.2) Myopathy due to other toxic agents
- (G72.3) Periodic paralysis
  - Hypokalemic periodic paralysis
  - Hyperkalemic periodic paralysis
(G73) Disorders of myoneural junction and muscle in diseases classified elsewhere
- (G73.0) Myasthenic syndromes in endocrine diseases
- (G73.1) Eaton-Lambert syndrome
- (G73.2) Other myasthenic syndromes in neoplastic disease
- (G73.3) Myasthenic syndromes in other diseases classified elsewhere
- (G73.4) Myopathy in infectious and parasitic diseases classified elsewhere
- (G73.5) Myopathy in endocrine diseases
- (G73.6) Myopathy in metabolic diseases
- (G73.7) Myopathy in other diseases classified elsewhere

(G80–G83) Cerebral palsy and other paralytic syndromes

(G80) Cerebral palsy
- (G80.0) Spastic quadriplegic cerebral palsy
- (G80.1) Spastic diplegic cerebral palsy
- (G80.2) Spastic hemiplegic cerebral palsy
- (G80.3) Dyskinetic cerebral palsy
- (G80.4) Ataxic cerebral palsy
- (G80.8) Other cerebral palsy
- (G80.9) Cerebral palsy, unspecified
(G81) Hemiplegia
- (G81.0) Flaccid hemiplegia
- (G81.1) Spastic hemiplegia
- (G81.9) Hemiplegia, unspecified
(G82) Paraplegia and tetraplegia
- (G82.0) Flaccid paraplegia
- (G82.1) Spastic paraplegia
- (G82.2) Paraplegia, unspecified
  - Paralysis of both lower limbs NOS
  - Paraplegia (lower) NOS
- (G82.3) Flaccid tetraplegia
- (G82.4) Spastic tetraplegia
- (G82.5) Tetraplegia, unspecified
  - Quadriplegia NOS
(G83) Other paralytic syndromes
- (G83.0) Diplegia of upper limbs
- (G83.1) Monoplegia of lower limb
- (G83.2) Monoplegia of upper limb
- (G83.3) Monoplegia, unspecified
- (G83.4) Cauda equina syndrome
- (G83.8) Other specified paralytic syndromes
  - Todd's paralysis (postepileptic)
- (G83.9) Paralytic syndrome, unspecified

(G90–G99) Other disorders of the nervous system

(G90) Disorders of autonomic nervous system
- (G90.0) Idiopathic peripheral autonomic neuropathy
- (G90.1) Familial dysautonomia (Riley-Day)
- (G90.2) Horner's syndrome
- (G90.3) Multi-system degeneration
- (G90.8) Other disorders of autonomic nervous system
- (G90.9) Disorder of autonomic nervous system, unspecified
(G91) Hydrocephalus
(G92) Toxic encephalopathy
(G93) Other disorders of brain
- (G93.0) Cerebral cysts
- (G93.1) Anoxic brain damage, not elsewhere classified
- (G93.2) Benign intracranial hypertension
- (G93.3) Postviral fatigue syndrome (myalgic encephalomyelitis aka chronic fatigue syndrome)
- (G93.4) Encephalopathy, unspecified
- (G93.5) Compression of brain
- (G93.6) Cerebral oedema
- (G93.7) Reye's syndrome
- (G93.8) Other specified disorders of brain
  - Postradiation encephalopathy
- (G93.9) Disorder of brain, unspecified
(G94) Other disorders of brain in diseases classified elsewhere
(G95) Other diseases of spinal cord
- (G95.0) Syringomyelia and syringobulbia
- (G95.1) Vascular myelopathies
- (G95.2) Cord compression, unspecified
- (G95.8) Other specified diseases of spinal cord
- (G95.9) Disease of spinal cord, unspecified
  - Myelopathy NOS
(G96) Other disorders of central nervous system
- (G96.0) Cerebrospinal fluid leak
- (G96.1) Disorders of meninges, not elsewhere classified
  - Meningeal adhesions (cerebral)(spinal)
- (G96.8) Other specified disorders of central nervous system
- (G96.9) Disorder of central nervous system, unspecified
(G97) Postprocedural disorders of nervous system, not elsewhere classified
- (G97.0) Cerebrospinal fluid leak from spinal puncture
- (G97.1) Other reaction to spinal and lumbar puncture
- (G97.2) Intracranial hypotension following ventricular shunting
- (G97.8) Other postprocedural disorders of nervous system
- (G97.9) Postprocedural disorder of nervous system, unspecified
(G98) Other disorders of nervous system, not elsewhere classified
(G99) Other disorders of nervous system in diseases classified elsewhere

Excludes

Certain conditions originating in the perinatal period (P04-P96)
Certain infectious and parasitic diseases (A00-B99)
Complications of pregnancy, childbirth and the puerperium (O00-O9A)
Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
Endocrine, nutritional, and metabolic diseases (E00-E88)
Injury, poisoning and certain other consequences of external causes (S00-T88)
Neoplasms (C00-D49)
Symptoms, signs, and abnormal clinical and laboratory findings, NEC (R00-R94)

References

↑ WHO | International Classification of Diseases (ICD)

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

Pathology of the nervous system, primarily CNS (G04–G47, 323–349)

Inflammation

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 Ondine's curse 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

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

Treatment	Interferon beta 1a Interferon beta 1b Glatiramer acetate Mitoxantrone Natalizumab Fingolimod Teriflunomide Dimethyl fumarate Alemtuzumab Therapies under investigation

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)

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

Seizures and epilepsy (G40–G41, 345)

Basics

Treatments

Anticonvulsants
Electroencephalography (diagnosis method)
Epileptologist

Personal issues

Seizure types
Epilepsy types

Focal	Seizures Simple partial Complex partial Gelastic seizure Epilepsy Temporal lobe epilepsy Frontal lobe epilepsy Rolandic epilepsy Nocturnal epilepsy Panayiotopoulos syndrome

Generalised	Tonic-clonic Absence seizure Atonic seizure Automatism Benign familial neonatal epilepsy Lennox-Gastaut Doose syndrome West

Status epilepticus	Epilepsia partialis continua Complex partial status epilepticus

Myoclonic epilepsy	Progressive myoclonus epilepsies Dentatorubral-pallidoluysian atrophy Unverricht-Lundborg disease MERRF syndrome Lafora disease Juvenile myoclonic epilepsy

Non-epileptic seizures	Febrile seizure Psychogenic non-epileptic seizures

Related disorders

Epilepsy
organizations

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

Cerebrovascular diseases (G45–G46 and I60–I69, 430–438)

Brain ischemia/
cerebral infarction
(ischemic stroke/TIA)

TACI, PACI	precerebral: Carotid artery stenosis cerebral: MCA ACA Amaurosis fugax Moyamoya disease

POCI	precerebral: Anterior spinal artery syndrome Vertebrobasilar insufficiency Subclavian steal syndrome brainstem: medulla Medial medullary syndrome Lateral medullary syndrome pons Medial pontine syndrome/Foville's Lateral pontine syndrome/Millard-Gubler midbrain Weber's Benedikt Claude's cerebral: PCA Lacunar stroke Dejerine–Roussy syndrome cerebellar

General	cerebral: Cerebral venous sinus thrombosis CADASIL Binswanger's disease Transient global amnesia

Intracranial hemorrhage
(hemorrhagic stroke)

Extra-axial	Epidural Subdural Subarachnoid

Cerebral/Intra-axial	Intraventricular

Brainstem	Duret haemorrhage

Aneurysm

Cerebral aneurysm
- Intracranial berry aneurysm
- Charcot-Bouchard aneurysm

Other/general

Cerebral vasculitis

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

Sleep stages

Brain waves

Sleep
disorders

Dyssomnia	Insomnia Narcolepsy Sleep apnea Obesity hypoventilation syndrome Ondine's curse Hypersomnia Kleine–Levin 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	Night eating syndrome Nocturia Nocturnal myoclonus Bruxism

Benign
phenomena