G00-G99 - Diseases of the nervous system

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

• Bacterial meningitis, not elsewhere classified
• Haemophilus meningitis
• Pneumococcal meningitis
• Streptococcal meningitis
• Staphylococcal meningitis
• Other bacterial meningitis
• Meningitis due to Escherichia coli
• Meningitis due to Friedländer bacillus
• Meningitis due to Klebsiella
• Bacterial meningitis, unspecified

• Meningitis in bacterial diseases classified elsewhere
• Meningitis in other infectious and parasitic diseases classified elsewhere
• Meningitis due to other and unspecified causes
• Nonpyogenic meningitis
• Chronic meningitis
• Benign recurrent meningitis (Mollaret)
• Meningitis due to other specified causes
• Meningitis, unspecified
• Arachnoiditis (spinal) NOS

• Encephalitis, myelitis and encephalomyelitis
• Acute disseminated encephalitis
• Tropical spastic paraplegia
• Bacterial meningoencephalitis and meningomyelitis, not elsewhere classified
• Other encephalitis, myelitis and encephalomyelitis
• Encephalitis, myelitis and encephalomyelitis, unspecified

• Encephalitis, myelitis and encephalomyelitis in diseases classified elsewhere
• Intracranial and intraspinal abscess and granuloma
• Intracranial and intraspinal abscess and granuloma in diseases classified elsewhere
• Intracranial and intraspinal phlebitis and thrombophlebitis
• Sequelae of inflammatory diseases of central nervous system

(G10-G13) Systemic atrophies primarily affecting the central nervous system

• Huntington's disease
• Hereditary ataxia
• Congenital nonprogressive ataxia
• Early-onset cerebellar ataxia
• Early-onset cerebellar ataxia with essential tremor
• Early-onset cerebellar ataxia with myoclonus (Hunt's ataxia)
• Early-onset cerebellar ataxia with retained tendon reflexes
• Friedreich's ataxia (autosomal recessive)
• X-linked recessive spinocerebellar ataxia
• Late-onset cerebellar ataxia
• Cerebellar ataxia with defective DNA repair
• Ataxia telangiectasia (Louis-Bar)
• Hereditary spastic paraplegia
• Other hereditary ataxias
• Hereditary ataxia, unspecified

• Spinal muscular atrophy and related syndromes
• Werdnig-Hoffman disease (Type 1)
• Other inherited spinal muscular atrophy
• Progressive bulbar palsy of childhood (Fazio-Londe)
• Kugelberg-Welander disease (Type 3)
• Motor neuron disease
• Familial motor neuron disease
• Amyotrophic lateral sclerosis
• Primary lateral sclerosis
• Progressive bulbar palsy
• Progressive spinal muscular atrophy

• Systemic atrophies primarily affecting central nervous system in diseases classified elsewhere
• Paraneoplastic neuromyopathy and neuropathy
• Other systemic atrophy primarily affecting central nervous system in neoplastic disease
• Paraneoplastic limbic encephalopathy
• Systemic atrophy primarily affecting central nervous system in myxoedema
• Systemic atrophy primarily affecting central nervous system in other diseases classified elsewhere

(G20-G26) Extrapyramidal and movement disorders

• Parkinson's disease
• Secondary parkinsonism
• Malignant neuroleptic syndrome
• Postencephalitic parkinsonism

• Parkinsonism in diseases classified elsewhere
• Other degenerative diseases of basal ganglia
• Hallervorden-Spatz disease
• Progressive supranuclear ophthalmoplegia (Steele-Richardson-Olszewski)
• Striatonigral degeneration
• Other specified degenerative diseases of basal ganglia
• Degenerative disease of basal ganglia, unspecified

• Dystonia
• Drug-induced dystonia
• Idiopathic familial dystonia
• Idiopathic nonfamilial dystonia
• Spasmodic torticollis
• Idiopathic orofacial dystonia
• Orofacial dyskinesia
• Blepharospasm
• Other dystonia
• Dystonia, unspecified
• Dyskinesia NOS

• Other extrapyramidal and movement disorders
• Essential tremor
• Drug-induced tremor
• Other specified forms of tremor
• Myoclonus
• Drug-induced chorea
• Other chorea
• Drug-induced tics and other tics of organic origin
• Other specified extrapyramidal and movement disorders
• Restless legs syndrome
• Stiff-man syndrome
• Extrapyramidal and movement disorder, unspecified

• Extrapyramidal and movement disorders in diseases classified elsewhere

(G30-G32) Other degenerative diseases of the nervous system

• Alzheimer's disease
• Other degenerative diseases of nervous system, not elsewhere classified
• Circumscribed brain atrophy
• Pick's disease
• Senile degeneration of brain, not elsewhere classified
• Degeneration of nervous system due to alcohol
• Other specified degenerative diseases of nervous system
• Grey-matter degeneration (Alpers)
• Lewy body dementia
• Subacute necrotizing encephalopathy (Leigh)
• Degenerative disease of nervous system, unspecified

• Other degenerative disorders of nervous system in diseases classified elsewhere
• Subacute combined degeneration of spinal cord in diseases classified elsewhere
• Other specified degenerative disorders of nervous system in diseases classified elsewhere

(G35-G37) Demyelinating diseases of the central nervous system

• Multiple sclerosis
• Other acute disseminated demyelination
• Neuromyelitis optica (Devic)
• Acute and subacute haemorrhagic leukoencephalitis (Hurst)
• Other specified acute disseminated demyelination
• Acute disseminated demyelination, unspecified

• Other demyelinating diseases of central nervous system
• Diffuse sclerosis
• Central demyelination of corpus callosum
• Central pontine myelinolysis
• Acute transverse myelitis in demyelinating disease of central nervous system
• Subacute necrotizing myelitis
• Concentric sclerosis (Baló)
• Other specified demyelinating diseases of central nervous system
• Demyelinating disease of central nervous system, unspecified

(G40-G47) Episodic and paroxysmal disorders

• Epilepsy
• Localization-related (focal)(partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset
• Localization-related (focal)(partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures
• Localization-related (focal)(partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures
• 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
• 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
• Special epileptic syndromes
• Epilepsia partialis continua (Kozhevnikof)
• Grand mal seizures, unspecified (with or without petit mal)
• Petit mal, unspecified, without grand mal seizures
• Other epilepsy
• Epilepsies and epileptic syndromes undetermined as to whether they are focal or generalized
• Epilepsy, unspecified

• Status epilepticus
• Grand mal status epilepticus
• Petit mal status epilepticus
• Complex partial status epilepticus
• Other status epilepticus
• Status epilepticus, unspecified

• Migraine
• Migraine without aura (common migraine)
• Migraine with aura (classical migraine)
• Status migrainosus
• Complicated migraine
• Other migraine
• Migraine, unspecified

• Other headache syndromes
• Cluster headache syndrome
• Vascular headache, not elsewhere classified
• Tension-type headache
• Chronic post-traumatic headache
• Drug-induced headache, not elsewhere classified
• Other specified headache syndromes

• Transient cerebral ischaemic attacks and related syndromes
• Vertebro-basilar artery syndrome
• Carotid artery syndrome (hemispheric)
• Multiple and bilateral precerebral artery syndromes
• Amaurosis fugax
• Transient global amnesia
• Other transient cerebral ischaemic attacks and related syndromes
• Transient cerebral ischaemic attack, unspecified

• Vascular syndromes of brain in cerebrovascular diseases
• Middle cerebral artery syndrome
• Anterior cerebral artery syndrome
• Posterior cerebral artery syndrome
• Brain stem stroke syndrome
• Benedikt syndrome
• Claude syndrome
• Foville syndrome
• Millard-Gubler syndrome
• Wallenberg syndrome
• Weber syndrome
• Cerebellar stroke syndrome
• Pure motor lacunar syndrome
• Pure sensory lacunar syndrome
• Other lacunar syndromes
• Other vascular syndromes of brain in cerebrovascular diseases

• Sleep disorders
• Disorders of initiating and maintaining sleep (insomnias)
• Disorders of excessive somnolence (hypersomnias)
• Disruptions in circadian rhythm including jet lag
• Sleep apnoea
• Narcolepsy and cataplexy

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

• Disorders of trigeminal nerve (V)
• Trigeminal neuralgia

• Facial nerve disorders (VII)
• Bell's palsy
• Facial palsy
• Geniculate ganglionitis
• Melkersson's syndrome
• Melkersson-Rosenthal syndrome
• Clonic hemifacial spasm
• Facial myokymia
• Other disorders of facial nerve
• Disorder of facial nerve, unspecified

• Disorders of other cranial nerves
• Disorders of olfactory nerve (I)
• Disorders of glossopharyngeal nerve (IX)
• Disorders of vagus nerve (X)
• Disorders of hypoglossal nerve (XII)
• Disorders of multiple cranial nerves
• Disorders of other specified cranial nerves
• Cranial nerve disorder, unspecified

• Cranial nerve disorders in diseases classified elsewhere
• Nerve root and plexus disorders
• Brachial plexus disorders
• Thoracic outlet syndrome
• Lumbosacral plexus disorders
• Cervical root disorders, not elsewhere classified
• Thoracic root disorders, not elsewhere classified
• Lumbosacral root disorders, not elsewhere classified
• Neuralgic amyotrophy
• Parsonage-Aldren-Turner syndrome
• Phantom limb syndrome with pain
• Phantom limb syndrome without pain
• Nerve root and plexus compressions in diseases classified elsewhere
• Mononeuropathies of upper limb
• Carpal tunnel syndrome
• Causalgia
• Mononeuropathies of lower limb
• Lesion of sciatic nerve
• Meralgia paraesthetica
• Lesion of femoral nerve
• Lesion of lateral popliteal nerve
• Lesion of medial popliteal nerve
• Tarsal tunnel syndrome
• Lesion of plantar nerve
• Morton's metatarsalgia
• Other mononeuropathies of lower limb
• Mononeuropathy of lower limb, unspecified

• Other mononeuropathies
• Intercostal neuropathy
• Mononeuritis multiplex
• Other specified mononeuropathies
• Mononeuropathy, unspecified

• Mononeuropathy in diseases classified elsewhere

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

• Hereditary and idiopathic neuropathy
• Hereditary motor and sensory neuropathy
• Charcot-Marie-Tooth disease
• Déjerine-Sottas disease
• Hereditary motor and sensory neuropathy, types I-IV
• Hypertrophic neuropathy of infancy
• Peroneal muscular atrophy (axonal type)(hypertrophic type)
• Roussy-Lévy syndrome
• Refsum's disease
• Neuropathy in association with hereditary ataxia
• Idiopathic progressive neuropathy
• Other hereditary and idiopathic neuropathies
• Morvan's disease
• Nelaton's syndrome
• Sensory neuropathy
• Hereditary and idiopathic neuropathy, unspecified

• Inflammatory polyneuropathy
• Guillain-Barré syndrome
• Serum neuropathy
• Other inflammatory polyneuropathies
• Inflammatory polyneuropathy, unspecified

• Other polyneuropathies
• Drug-induced polyneuropathy
• Alcoholic polyneuropathy
• Polyneuropathy due to other toxic agents
• Other specified polyneuropathies
• Polyneuropathy, unspecified
• Neuropathy NOS

• Polyneuropathy in diseases classified elsewhere
• Other Disorders of peripheral nervous system

(G70-G73) Diseases of myoneural junction and muscle

• Myasthenia gravis and other myoneural disorders
• Myasthenia gravis
• Toxic myoneural disorders
• Congenital and developmental myasthenia
• Primary disorders of muscles
• 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)
• 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
• Congenital myopathies, including:
• Central core disease
• Congenital muscular dystrophy
• Centronuclear myopathy
• Fibre-type disproportion
• Minicore disease
• Multicore disease
• Myotubular myopathy
• Nemaline myopathy
• Mitochondrial myopathy, not elsewhere classified
• Other myopathies
• Drug-induced myopathy
• Alcoholic myopathy
• Myopathy due to other toxic agents
• Periodic paralysis
• Hypokalemic periodic paralysis
• Hyperkalemic periodic paralysis
• Disorders of myoneural junction and muscle in diseases classified elsewhere
• Myasthenic syndromes in endocrine diseases
• Eaton-Lambert syndrome
• Other myasthenic syndromes in neoplastic disease
• Myasthenic syndromes in other diseases classified elsewhere
• Myopathy in infectious and parasitic diseases classified elsewhere
• Myopathy in endocrine diseases
• Myopathy in metabolic diseases
• Myopathy in other diseases classified elsewhere

(G80-G83) Cerebral palsy and other paralytic syndromes

• Cerebral palsy
• Spastic quadriplegic cerebral palsy
• Spastic diplegic cerebral palsy
• Spastic hemiplegic cerebral palsy
• Dyskinetic cerebral palsy
• Ataxic cerebral palsy
• Other cerebral palsy
• Cerebral palsy, unspecified

• Hemiplegia
• Flaccid hemiplegia
• Spastic hemiplegia
• Hemiplegia, unspecified

• Paraplegia and tetraplegia
• Flaccid paraplegia
• Spastic paraplegia
• Paraplegia, unspecified
• Paralysis of both lower limbs NOS
• Paraplegia (lower) NOS
• Flaccid tetraplegia
• Spastic tetraplegia
• Tetraplegia, unspecified
• Quadriplegia NOS

• Other paralytic syndromes
• Diplegia of upper limbs
• Monoplegia of lower limb
• Monoplegia of upper limb
• Monoplegia, unspecified
• Cauda equina syndrome
• Other specified paralytic syndromes
• Todd's paralysis (postepileptic)
• Paralytic syndrome, unspecified

(G90-G99) Other disorders of the nervous system

• Disorders of autonomic nervous system
• Idiopathic peripheral autonomic neuropathy
• Familial dysautonomia (Riley-Day)
• Horner's syndrome
• Multi-system degeneration
• Other disorders of autonomic nervous system
• Disorder of autonomic nervous system, unspecified

• Hydrocephalus
• Toxic encephalopathy
• Other disorders of brain
• Cerebral cysts
• Anoxic brain damage, not elsewhere classified
• Benign intracranial hypertension
• Postviral fatigue syndrome
• Encephalopathy, unspecified
• Compression of brain
• Cerebral oedema
• Reye's syndrome
• Other specified disorders of brain
• Postradiation encephalopathy
• Disorder of brain, unspecified

• Other disorders of brain in diseases classified elsewhere
• Other diseases of spinal cord
• Syringomyelia and syringobulbia
• Vascular myelopathies
• Cord compression, unspecified
• Other specified diseases of spinal cord
• Disease of spinal cord, unspecified
• Myelopathy NOS

• Other disorders of central nervous system
• Postprocedural disorders of nervous system, not elsewhere classified
• Other disorders of nervous system, not elsewhere classified
• Other disorders of nervous system in diseases classified elsewhere

See also

• List of ICD-10 codes
• International Statistical Classification of Diseases and Related Health Problems