The block G40–G47 of ICD-10 is titled “Episodic and paroxysmal disorders”. It is part of Chapter VI, Diseases of the nervous system, and holds 7 groups.
Codes in G40–G47
- G40.0Localization-related (focal)(partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset
- G40.1Localization-related (focal)(partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures
- G40.2Localization-related (focal)(partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures
- G40.3Generalized idiopathic epilepsy and epileptic syndromes
- G40.4Other generalized epilepsy and epileptic syndromes
- G40.5Special epileptic syndromes
- G40.6Grand mal seizures, unspecified (with or without petit mal)
- G40.7Petit mal, unspecified, without grand mal seizures
- G40.8Other epilepsy
- G40.9Epilepsy, unspecified
- G45.0Vertebro-basilar artery syndrome
- G45.1Carotid artery syndrome (hemispheric)
- G45.2Multiple and bilateral precerebral artery syndromes
- G45.3Amaurosis fugax
- G45.4Transient global amnesia
- G45.8Other transient cerebral ischaemic attacks and related syndromes
- G45.9Transient cerebral ischaemic attack, unspecified
- G46.0Middle cerebral artery syndromeI66.0
- G46.1Anterior cerebral artery syndromeI66.1
- G46.2Posterior cerebral artery syndromeI66.2
- G46.3Brain stem stroke syndromeI60-I67
- G46.4Cerebellar stroke syndromeI60-I67
- G46.5Pure motor lacunar syndromeI60-I67
- G46.6Pure sensory lacunar syndromeI60-I67
- G46.7Other lacunar syndromesI60-I67
- G46.8Other vascular syndromes of brain in cerebrovascular diseasesI60-I67
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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