A00-B99 C00-D48D50-D89 E00-E90 F00-F99 G00-G99 H00-H59 H60-H95 I00-I99 J00-J99 K00-K93
L00-L99 M00-M99 N00-N99 O00-O99 P00-P96 Q00-Q99 R00-R99 S00-T98 V01-Y98 Z00-Z99 U00-U99

G40-G47 Episodic and paroxysmal disorders




 
Chapter VI

Diseases of the nervous system
(G00-G99)

Episodic and paroxysmal disorders
(G40-G47)

G40Epilepsy
Latin: Epilepsia
Excludes:Landau-Kleffner syndrome (F80.3)
seizure (convulsive) NOS (R56.8)
status epilepticus (G41.-)
Todd's paralysis (G83.8)
G40.0Localization-related (focal)(partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset
Latin: Epilepsia idiopathica focalis et syndromae epilepticae cum impetu focali
Benign childhood epilepsy with centrotemporal EEG spikes
Childhood epilepsy with occipital EEG paroxysms
G40.1Localization-related (focal)(partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures
Latin: Epilepsia symptomatica focalis et syndromae epilepticae cum impetu simplici partiali
Attacks without alteration of consciousness
Simple partial seizures developing into secondarily generalized seizures
G40.2Localization-related (focal)(partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures
Latin: Epilepsia symptomatica focalis et syndromae epilepticae cum impetu simplex partiali
Attacks with alteration of consciousness, often with automatisms
Complex partial seizures developing into secondarily generalized seizures
G40.3Generalized idiopathic epilepsy and epileptic syndromes
Latin: Epilepsia idiopathica generalisata et syndromae epilepticae
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
G40.4Other generalized epilepsy and epileptic syndromes
Latin: Epilepsia generalisata alia et syndromae epilepticae
Epilepsy with:
· myoclonic absences
· myoclonic-astatic seizures
Infantile spasms
Lennox-Gastaut syndrome
Salaam attacks
Symptomatic early myoclonic encephalopathy
West's syndrome
G40.5Special epileptic syndromes
Latin: Syndromae epilepticae specificae
Epilepsia partialis continua [Kozhevnikof]
Epileptic seizures related to:
· alcohol
· drugs
· hormonal changes
· sleep deprivation
· stress
Use additional external cause code (Chapter XX), if desired, to identify drug, if drug-induced.
G40.6Grand mal seizures, unspecified (with or without petit mal)
Latin: Grand mal, non specificatus (cum sive non petit mal)
G40.7Petit mal, unspecified, without grand mal seizures
Latin: Petit mal, non specificatus (sine grand mal)
G40.8Other epilepsy
Latin: Epilepsia alia
Epilepsies and epileptic syndromes undetermined as to whether they are focal or generalized
G40.9Epilepsy, unspecified
Latin: Epilepsia, non specificata
Epileptic:
· convulsions NOS
· fits NOS
· seizures NOS

G41Status epilepticus
Latin: Status epilepticus
G41.0Grand mal status epilepticus
Latin: Status epilepticus, grand mal
Tonic-clonic status epilepticus
Excludes:epilepsia partialis continua [Kozhevnikof] (G40.5)
G41.1Petit mal status epilepticus
Latin: Status epilepticus, petit mal
Epileptic absence status
G41.2Complex partial status epilepticus
Latin: Status epilepticus complex - partialis
G41.8Other status epilepticus
Latin: Status epilepticus alius
G41.9Status epilepticus, unspecified
Latin: Status epilepticus, non specificatus

G43Migraine
Latin: Migraena
Use additional external cause code (Chapter XX), if desired, to identify drug, if drug-induced.
Excludes:headache NOS (R51)
G43.0Migraine without aura [common migraine]
Latin: Migraena simplex (sine aura)
G43.1Migraine with aura [classical migraine]
Latin: Migraena classica (cum aura)
Migraine:
· aura without headache
· basilar
· equivalents
· familial hemiplegic
· with:
  · acute-onset aura
  · prolonged aura
  · typical aura
G43.2Status migrainosus
Latin: Status migraenosus
G43.3Complicated migraine
Latin: Migraena complicata
G43.8Other migraine
Latin: Migraena alia
Ophthalmoplegic migraine
Retinal migraine
G43.9Migraine, unspecified
Latin: Migraena, non specificata

G44Other headache syndromes
Latin: Cephalalgiae aliae
Excludes:atypical facial pain (G50.1)
headache NOS (R51)
trigeminal neuralgia (G50.0)
G44.0Cluster headache syndrome
Latin: Cephalalgiae contractae
Chronic paroxysmal hemicrania
Cluster headache:
· chronic
· episodic
G44.1Vascular headache, not elsewhere classified
Latin: Cephalalgia vascularis
Vascular headache NOS
G44.2Tension-type headache
Latin: Cephalalgia tensionalis
Chronic tension-type headache
Episodic tension headache
Tension headache NOS
G44.3Chronic post-traumatic headache
Latin: Cephalalgia posttraumatica chronica
G44.4Drug-induced headache, not elsewhere classified
Latin: Cephalalgia medicamentosa
Use additional external cause code (Chapter XX), if desired, to identify drug.
G44.8Other specified headache syndromes
Latin: Cephalalgiae specificatae, aliae

G45Transient cerebral ischaemic attacks and related syndromes
Latin: Ischaemia cerebri transitiva et syndromae affines
Excludes:neonatal cerebral ischaemia (P91.0)
G45.0Vertebro-basilar artery syndrome
Latin: Syndroma arteriae vertebrobasalis
G45.1Carotid artery syndrome (hemispheric)
Latin: Syndroma arteriae carotidis (hemisphaericae)
G45.2Multiple and bilateral precerebral artery syndromes
Latin: Syndromae arteriarum praecerebralium bilaterales et multiplices
G45.3Amaurosis fugax
Latin: Amaurosis fugax
G45.4Transient global amnesia
Latin: Amnesia globalis transitiva
Excludes:amnesia NOS (R41.3)
G45.8Other transient cerebral ischaemic attacks and related syndromes
Latin: Ischaemia cerebri transitiva alia et syndromae affines
G45.9Transient cerebral ischaemic attack, unspecified
Latin: Ischaemia cerebri transitoria, non specificata
Spasm of cerebral artery
Transient cerebral ischaemia NOS

G46*Vascular syndromes of brain in cerebrovascular diseases (I60-I67+)
Latin: Sindromae vasculares cerebrales (I60-I67+)
G46.0*Middle cerebral artery syndrome (I66.0+)
Latin: Syndroma arteriae cerebri mediae (I66.0+)
G46.1*Anterior cerebral artery syndrome(I66.1+)
Latin: Syndroma arteriae cerebri anterioris (I66.1+)
G46.2*Posterior cerebral artery syndrome (I66.2+)
Latin: Syndroma arteriae cerebri posterioris (I66.2+)
G46.3*Brain stem stroke syndrome (I60-I67+)
Latin: Syndroma trunci cerebri (I60-I67+)
Syndrome:
· Benedikt
· Claude
· Foville
· Millard-Gubler
· Wallenberg
· Weber
G46.4*Cerebellar stroke syndrome (I60-I67+)
Latin: Syndroma cerebellaris (I60-I67+)
G46.5*Pure motor lacunar syndrome (I60-I67+)
Latin: Syndroma lacunaris motoria pura (I60-I67+)
G46.6*Pure sensory lacunar syndrome (I60-I67+)
Latin: Syndroma lacunaris sensualis pura (I60-I67+)
G46.7*Other lacunar syndromes (I60-I67+)
Latin: Syndromae lacunares aliae (I60-I67+)
G46.8*Other vascular syndromes of brain in cerebrovascular diseases (I60-I67+)
Latin: Syndromae cerebrovasculares aliae in morbis cerebrovascularibus (I60-I67+)

G47Sleep disorders
Latin: Disordines somni
Excludes:nightmares (F51.5)
nonorganic sleep disorders (F51.-)
sleep terrors (F51.4)
sleepwalking (F51.3)
G47.0Disorders of initiating and maintaining sleep [insomnias]
Latin: Insomnia
G47.1Disorders of excessive somnolence [hypersomnias]
Latin: Hypersomnia
G47.2Disorders of the sleep-wake schedule
Latin: Dysrhythmiae somni
Delayed sleep phase syndrome
Irregular sleep-wake pattern
G47.3Sleep apnoea
Latin: Apnoea ad somnum
Sleep apnoea:
· central
· obstructive
Excludes:pickwickian syndrome (E66.2)
sleep apnoea of newborn (P28.3)
G47.4Narcolepsy and cataplexy
Latin: Narcolepsia et cataplexia
G47.8Other sleep disorders
Latin: Disordines somni aliis
Kleine-Levin syndrome
G47.9Sleep disorder, unspecified
Latin: Disordo somni, non specificatus


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