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 Friedlander bacillus
Meningitis due to Klebsiella
(G00.9) Bacterial meningitis, unspecified
- (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 Friedlander bacillus
Meningitis due to Klebsiella
- Meningitis due to Escherichia coli
- Meningitis due to Friedlander 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, unspecified
Arachnoiditis (spinal) NOS
- (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, unspecified
Arachnoiditis (spinal) NOS
- 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
- (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

## (G10-G13) Systemic atrophies primarily affecting the central nervous system
- (G10) Huntington's disease
- (G11) Hereditary ataxia
(G11.0) Congenital nonprogressive ataxia
(G11.1) 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
(G11.2) Late-onset cerebellar ataxia
(G11.3) Cerebellar ataxia with defective DNA repair
Ataxia telangiectasia (Louis-Bar)
(G11.4) Hereditary spastic paraplegia
(G11.8) Other hereditary ataxias
(G11.9) Hereditary ataxia, unspecified
- (G11.0) Congenital nonprogressive ataxia
- (G11.1) 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
- 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
- (G11.2) Late-onset cerebellar ataxia
- (G11.3) Cerebellar ataxia with defective DNA repair
Ataxia telangiectasia (Louis-Bar)
- Ataxia telangiectasia (Louis-Bar)
- (G11.4) Hereditary spastic paraplegia
- (G11.8) Other hereditary ataxias
- (G11.9) Hereditary ataxia, unspecified
- (G12) Spinal muscular atrophy and related syndromes
(G12.0) Werdnig-Hoffman disease (Type 1)
(G12.1) Other inherited spinal muscular atrophy
Progressive bulbar palsy of childhood (Fazio-Londe)
Kugelberg-Welander disease (Type 3)
(G12.2) Motor neuron disease
Familial motor neuron disease
Amyotrophic lateral sclerosis
Primary lateral sclerosis
Progressive bulbar palsy
Progressive spinal muscular atrophy
- (G12.0) Werdnig-Hoffman disease (Type 1)
- (G12.1) Other inherited spinal muscular atrophy
Progressive bulbar palsy of childhood (Fazio-Londe)
Kugelberg-Welander disease (Type 3)
- Progressive bulbar palsy of childhood (Fazio-Londe)
- Kugelberg-Welander disease (Type 3)
- (G12.2) Motor neuron disease
Familial motor neuron disease
Amyotrophic lateral sclerosis
Primary lateral sclerosis
Progressive bulbar palsy
Progressive spinal muscular atrophy
- Familial motor neuron disease
- Amyotrophic lateral sclerosis
- Primary lateral sclerosis
- Progressive bulbar palsy
- Progressive spinal muscular atrophy
- (G13) Systemic atrophies primarily affecting central nervous system in diseases classified elsewhere
(G13.0) Paraneoplastic neuromyopathy and neuropathy
(G13.1) Other systemic atrophy primarily affecting central nervous system in neoplastic disease
Paraneoplastic limbic encephalopathy
(G13.2) Systemic atrophy primarily affecting central nervous system in myxoedema
(G13.8) Systemic atrophy primarily affecting central nervous system in other diseases classified elsewhere
- (G13.0) Paraneoplastic neuromyopathy and neuropathy
- (G13.1) Other systemic atrophy primarily affecting central nervous system in neoplastic disease
Paraneoplastic limbic encephalopathy
- Paraneoplastic limbic encephalopathy
- (G13.2) Systemic atrophy primarily affecting central nervous system in myxoedema
- (G13.8) Systemic atrophy primarily affecting central nervous system in other diseases classified elsewhere

## (G20-G26) Extrapyramidal and movement disorders
- (G20) Parkinson's disease
- (G21) Secondary parkinsonism
(G21.0) Malignant neuroleptic syndrome
(G21.3) Postencephalitic parkinsonism
- (G21.0) Malignant neuroleptic syndrome
- (G21.3) Postencephalitic parkinsonism
- (G22) Parkinsonism in diseases classified elsewhere
- (G23) Other degenerative diseases of basal ganglia
(G23.0) Hallervorden-Spatz disease
(G23.1) Progressive supranuclear ophthalmoplegia (Steele-Richardson-Olszewski)
(G23.2) Striatonigral degeneration
(G23.8) Other specified degenerative diseases of basal ganglia
(G23.9) Degenerative disease of basal ganglia, unspecified
- (G23.0) Hallervorden-Spatz disease
- (G23.1) Progressive supranuclear ophthalmoplegia (Steele-Richardson-Olszewski)
- (G23.2) Striatonigral degeneration
- (G23.8) Other specified degenerative diseases of basal ganglia
- (G23.9) Degenerative disease of basal ganglia, unspecified
- (G24) Dystonia
(G24.0) Drug-induced dystonia
(G24.1) Idiopathic familial dystonia
(G24.2) Idiopathic nonfamilial dystonia
(G24.3) Spasmodic torticollis
(G24.4) Idiopathic orofacial dystonia
Orofacial dyskinesia
(G24.5) Blepharospasm
(G24.8) Other dystonia
(G24.9) Dystonia, unspecified
Dyskinesia NOS
- (G24.0) Drug-induced dystonia
- (G24.1) Idiopathic familial dystonia
- (G24.2) Idiopathic nonfamilial dystonia
- (G24.3) Spasmodic torticollis
- (G24.4) Idiopathic orofacial dystonia
Orofacial dyskinesia
- Orofacial dyskinesia
- (G24.5) Blepharospasm
- (G24.8) Other dystonia
- (G24.9) Dystonia, unspecified
Dyskinesia NOS
- Dyskinesia NOS
- (G25) Other extrapyramidal and movement disorders
(G25.0) Essential tremor
(G25.1) Drug-induced tremor
(G25.2) Other specified forms of tremor
(G25.3) Myoclonus
(G25.4) Drug-induced chorea
(G25.5) Other chorea
(G25.6) Drug-induced tics and other tics of organic origin
(G25.8) Other specified extrapyramidal and movement disorders
Restless legs syndrome
Stiff-man syndrome
(G25.9) Extrapyramidal and movement disorder, unspecified
- (G25.0) Essential tremor
- (G25.1) Drug-induced tremor
- (G25.2) Other specified forms of tremor
- (G25.3) Myoclonus
- (G25.4) Drug-induced chorea
- (G25.5) Other chorea
- (G25.6) Drug-induced tics and other tics of organic origin
- (G25.8) Other specified extrapyramidal and movement disorders
Restless legs syndrome
Stiff-man syndrome
- Restless legs syndrome
- Stiff-man syndrome
- (G25.9) Extrapyramidal and movement disorder, unspecified
- (G26) Extrapyramidal and movement disorders in diseases classified elsewhere

## (G30-G32) Other degenerative diseases of the nervous system
- (G30) Alzheimer's disease
- (G31) Other degenerative diseases of nervous system, not elsewhere classified
(G31.0) Circumscribed brain atrophy
Pick's disease
(G31.1) Senile degeneration of brain, not elsewhere classified
(G31.2) Degeneration of nervous system due to alcohol
(G31.8) Other specified degenerative diseases of nervous system
Grey-matter degeneration (Alpers)
Lewy body dementia
Subacute necrotizing encephalopathy (Leigh)
(G31.9) Degenerative disease of nervous system, unspecified
- (G31.0) Circumscribed brain atrophy
Pick's disease
- Pick's disease
- (G31.1) Senile degeneration of brain, not elsewhere classified
- (G31.2) Degeneration of nervous system due to alcohol
- (G31.8) Other specified degenerative diseases of nervous system
Grey-matter degeneration (Alpers)
Lewy body dementia
Subacute necrotizing encephalopathy (Leigh)
- Grey-matter degeneration (Alpers)
- Lewy body dementia
- Subacute necrotizing encephalopathy (Leigh)
- (G31.9) Degenerative disease of nervous system, unspecified
- (G32) Other degenerative disorders of nervous system in diseases classified elsewhere
(G32.0) Subacute combined degeneration of spinal cord in diseases classified elsewhere
(G32.8) Other specified degenerative disorders of nervous system in diseases classified elsewhere
- (G32.0) Subacute combined degeneration of spinal cord in diseases classified elsewhere
- (G32.8) Other specified degenerative disorders of nervous system in diseases classified elsewhere

## (G35-G37) Demyelinating diseases of the central nervous system
- (G35) Multiple sclerosis
- (G36) Other acute disseminated demyelination
(G36.0) Neuromyelitis optica (Devic)
(G36.1) Acute and subacute haemorrhagic leukoencephalitis (Hurst)
(G36.8) Other specified acute disseminated demyelination
(G36.9) Acute disseminated demyelination, unspecified
- (G36.0) Neuromyelitis optica (Devic)
- (G36.1) Acute and subacute haemorrhagic leukoencephalitis (Hurst)
- (G36.8) Other specified acute disseminated demyelination
- (G36.9) Acute disseminated demyelination, unspecified
- (G37) Other demyelinating diseases of central nervous system
(G37.0) Diffuse sclerosis
(G37.1) Central demyelination of corpus callosum
(G37.2) Central pontine myelinolysis
(G37.3) Acute transverse myelitis in demyelinating disease of central nervous system
(G37.4) Subacute necrotizing myelitis
(G37.5) Concentric sclerosis (Balo)
(G37.8) Other specified demyelinating diseases of central nervous system
(G37.9) Demyelinating disease of central nervous system, unspecified
- (G37.0) Diffuse sclerosis
- (G37.1) Central demyelination of corpus callosum
- (G37.2) Central pontine myelinolysis
- (G37.3) Acute transverse myelitis in demyelinating disease of central nervous system
- (G37.4) Subacute necrotizing myelitis
- (G37.5) Concentric sclerosis (Balo)
- (G37.8) Other specified demyelinating diseases of central nervous system
- (G37.9) Demyelinating disease of central nervous system, unspecified

## (G40-G47) Episodic and paroxysmal disorders
- (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 (Kozhevnikof)
(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
- (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
- Benign:
myoclonic epilepsy in infancy
neonatal convulsions (familial)
- 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)
- absence epilepsy
- myoclonic epilepsy (impulsive petit mal)
- Nonspecific epileptic seizures:
atonic
clonic
myoclonic
tonic
tonic-clonic
- 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
- Epilepsy with:
myoclonic absences
myoclonic-astatic seizures
- 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 (Kozhevnikof)
- Epilepsia partialis continua (Kozhevnikof)
- (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
- 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
- (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
- (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
- (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
- (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
- (G45) Transient cerebral ischaemic attacks and related syndromes
(G45.0) Vertebro-basilar 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
- (G45.0) Vertebro-basilar 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
Benedikt syndrome
Claude syndrome
Foville syndrome
Millard-Gubler syndrome
Wallenberg syndrome
Weber 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
- (G46.0) Middle cerebral artery syndrome
- (G46.1) Anterior cerebral artery syndrome
- (G46.2) Posterior cerebral artery syndrome
- (G46.3) Brain stem stroke syndrome
Benedikt syndrome
Claude syndrome
Foville syndrome
Millard-Gubler syndrome
Wallenberg syndrome
Weber syndrome
- Benedikt syndrome
- Claude syndrome
- Foville syndrome
- Millard-Gubler syndrome
- Wallenberg syndrome
- Weber 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
- (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
- (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
- (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
- (G51.0) Bell's palsy
Facial palsy
- Facial palsy
- (G51.1) Geniculate ganglionitis
- (G51.2) Melkersson's syndrome
Melkersson-Rosenthal 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
- (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
- (G54.0) Brachial plexus disorders
Thoracic outlet syndrome
- 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
- 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
(G56.4) Causalgia
- (G56.0) Carpal tunnel syndrome
- (G56.4) Causalgia
- (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
- (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
- 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
- (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-Levy 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
- (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-Levy syndrome
- 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-Levy 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
- Morvan's disease
- Nelaton's syndrome
- Sensory neuropathy
- (G60.9) Hereditary and idiopathic neuropathy, unspecified
- (G61) Inflammatory polyneuropathy
(G61.0) Guillain-Barre syndrome
(G61.1) Serum neuropathy
(G61.8) Other inflammatory polyneuropathies
(G61.9) Inflammatory polyneuropathy, unspecified
- (G61.0) Guillain-Barre 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
- (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
- 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
- (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
-cular muscular dystrophy
-culopharyngeal 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
- (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
-cular muscular dystrophy
-culopharyngeal muscular dystrophy
scapuloperoneal muscular dystrophy
severe muscular dystrophy (Duchenne 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
- 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
- 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
- (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
- 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
- (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
- (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
- (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
- (G82.0) Flaccid paraplegia
- (G82.1) Spastic paraplegia
- (G82.2) Paraplegia, unspecified
Paralysis of both lower limbs NOS
Paraplegia (lower) NOS
- Paralysis of both lower limbs NOS
- Paraplegia (lower) NOS
- (G82.3) Flaccid tetraplegia
- (G82.4) Spastic tetraplegia
- (G82.5) Tetraplegia, unspecified
Quadriplegia NOS
- 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
- (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)
- 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
- (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
(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
- (G93.0) Cerebral cysts
- (G93.1) Anoxic brain damage, not elsewhere classified
- (G93.2) Benign intracranial hypertension
- (G93.3) Postviral 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
- 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
- (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
- Myelopathy NOS
- (G96) Other disorders of central nervous system
- (G97) Postprocedural disorders of nervous system, not elsewhere classified
- (G98) Other disorders of nervous system, not elsewhere classified
- (G99) Other disorders of nervous system in diseases classified elsewhere