Chronic nervous system disorder	Disorder of brain
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Chronic brain syndrome (disorder)
	Chronic brain syndrome
	Chronic encephalopathy
	chronische encefalopathie
	chronisch hersensyndroom

Id	78689005
Status	Defined

Finding site

Brain structure

Clinical course

Chronic

ICD-10 complex map reference set

Target	G93.4
Rule	TRUE
Advice	ALWAYS G93.4
Correlation	SNOMED CT source code to target map code correlation not specified

Adult-onset autosomal recessive cerebellar ataxia

ATPase cation transporting 13A2 related juvenile neuronal ceroid lipofuscinosis

Autosomal recessive cerebellar ataxia, epilepsy, intellectual disability syndrome due to TUD deficiency

Autosomal recessive cerebellar ataxia, psychomotor delay syndrome

Boucher Neuhäuser syndrome

Cerebellar ataxia with neuropathy and bilateral vestibular areflexia syndrome

Cerebellar ataxia with oculomotor apraxia type 4

Childhood-onset autosomal recessive slowly progressive spinocerebellar ataxia

Childhood-onset basal ganglia degeneration syndrome

Childhood-onset motor and cognitive regression syndrome with extrapyramidal movement disorder

Chronic anoxic encephalopathy

Chronic bilirubin encephalopathy

Chronic brain-hydrocephalus syndrome

Chronic hypoxic ischemic encephalopathy

Chronic intractable migraine without aura

Chronic non-psychotic brain syndrome

Chronic organic mental disorder7

Chronic progressive epilepsia partialis continua1

Chronic progressive non-hereditary chorea

Chronic viral encephalitis1

Congenital muscular dystrophy with cerebellar involvement

Congenital muscular dystrophy with intellectual disability

Congenital muscular dystrophy with intellectual disability and severe epilepsy

Corticobasal syndrome

Cranio-cervical dystonia with laryngeal and upper limb involvement

Early-onset calcifying leukoencephalopathy, skeletal dysplasia

Early-onset progressive encephalopathy, hearing loss, pons hypoplasia, brain atrophy syndrome

Early-onset progressive encephalopathy, spastic ataxia, distal spinal muscular atrophy syndrome

Early-onset spastic ataxia, myoclonic epilepsy, neuropathy syndrome

Endosteal hyperostoses with cerebellar hypoplasia

Familial infantile bilateral striatal necrosis

Fatal post-viral neurodegenerative disorder

Frequent episodic tension-type headache

Gemignani syndrome

Global developmental delay, visual anomalies, progressive cerebellar atrophy, truncal hypotonia syndrome

Hereditary cerebral amyloid angiopathy, Icelandic type

Huntington disease-like 3

Hypomyelination, hypogonadotropic hypogonadism, hypodontia syndrome

Infantile cerebral and cerebellar atrophy with postnatal progressive microcephaly

Infantile osteopetrosis with neuroaxonal dysplasia syndrome

Intermittently raised pressure hydrocephalus

ITPA-related lethal infantile neurological disorder with cataract and cardiac involvement

MEPAN syndrome

Mitochondrial neurogastrointestinal encephalomyopathy syndrome

Muscle eye brain disease with bilateral multicystic leukodystrophy

Myoclonic epilepsy with ragged red fibers

Non-Alzheimer's progressive dysphasia

Odontoleukodystrophy

Parkinsonian syndrome with idiopathic orthostatic hypotension

Paroxysmal dystonia5

Persistent vegetative state1

PLAA-associated neurodevelopmental disorder

Pontine autosomal dominant microangiopathy with leukoencephalopathy

Postpartum amenorrhea-galactorrhea syndrome

Progressive aphasia3

Progressive cerebellar ataxia with hypogonadism

Progressive cerebello-cerebral atrophy

Progressive congenital rubella encephalitis

Progressive congenital rubella encephalomyelitis

Progressive encephalopathy with edema, hypsarrhythmia and optic atrophy syndrome

Progressive encephalopathy with edema, hypsarrhythmia, and optic atrophy-like syndrome

Progressive external ophthalmoplegia, myopathy, emaciation syndrome

Progressive focal cortical atrophy

Progressive microcephaly, seizures, cortical blindness, developmental delay syndrome

Progressive myoclonic epilepsy type 3

Progressive myoclonic epilepsy type 5

Progressive myoclonic epilepsy type 6

Progressive myoclonic epilepsy type 7

Progressive myoclonic epilepsy type 8

Progressive myoclonic epilepsy type 9

Progressive polyneuropathy with bilateral striatal necrosis

Progressive post hemorrhagic ventricular dilatation

Progressive supranuclear palsy2

Progressive white matter disorder due to vascular abnormality

Recurrent benign focal seizures of childhood

Recurrent complex partial epilepsy

Recurrent craniopharyngioma

Recurrent medulloblastoma

Recurrent metabolic encephalomyopathic crises, rhabdomyolysis, cardiac arrhythmia, intellectual disability syndrome

Recurrent supratentorial primitive neuroectodermal tumor

Retinal vasculopathy with cerebral leukoencephalopathy and systemic manifestations

Rett's disorder

Semantic dementia

Severe oculo-renal-cerebellar syndrome

Spastic paraplegia, severe developmental delay, epilepsy syndrome

Spinocerebellar ataxia type 41

Spinocerebellar ataxia type 42

Spinocerebellar ataxia type 43

Thoracic dysplasia and hydrocephalus syndrome

Van Bogaert's sclerosing leukoencephalitis

Walker-Warburg congenital muscular dystrophy

X-linked progressive cerebellar ataxia