Chapter IX

Diseases of the circulatory system
(I00-I99)

Cerebrovascular diseases
(I60-I69)

Includes: with mention of hypertension (conditions in I10 and I15.-)
Use additional code, if desired, to identify presence of hypertension.
Excludes: transient cerebral ischaemic attacks and related syndromes ( G45.- )
traumatic intracranial haemorrhage ( S06.- )
vascular dementia ( F01.- )

I60 Subarachnoid haemorrhage
Includes: ruptured cerebral aneurysm
Excludes: sequelae of subarachnoid haemorrhage ( I69.0 )
I60.0 Subarachnoid haemorrhage from carotid siphon and bifurcation
I60.1 Subarachnoid haemorrhage from middle cerebral artery
I60.2 Subarachnoid haemorrhage from anterior communicating artery
I60.3 Subarachnoid haemorrhage from posterior communicating artery
I60.4 Subarachnoid haemorrhage from basilar artery
I60.5 Subarachnoid haemorrhage from vertebral artery
I60.6 Subarachnoid haemorrhage from other intracranial arteries
Multiple involvement of intracranial arteries
I60.7 Subarachnoid haemorrhage from intracranial artery, unspecified
Ruptured (congenital) berry aneurysm NOS
Subarachnoid haemorrhage from:
· cerebral
· communicating
}
}
artery NOS
I60.8 Other subarachnoid haemorrhage
Meningeal haemorrhage
Rupture of cerebral arteriovenous malformation
I60.9 Subarachnoid haemorrhage, unspecified
Ruptured (congenital) cerebral aneurysm NOS

I61 Intracerebral haemorrhage
Excludes: sequelae of intracerebral haemorrhage ( I69.1 )
I61.0 Intracerebral haemorrhage in hemisphere, subcortical
Deep intracerebral haemorrhage
I61.1 Intracerebral haemorrhage in hemisphere, cortical
Cerebral lobe haemorrhage
Superficial intracerebral haemorrhage
I61.2 Intracerebral haemorrhage in hemisphere, unspecified
I61.3 Intracerebral haemorrhage in brain stem
I61.4 Intracerebral haemorrhage in cerebellum
I61.5 Intracerebral haemorrhage, intraventricular
I61.6 Intracerebral haemorrhage, multiple localized
I61.8 Other intracerebral haemorrhage
I61.9 Intracerebral haemorrhage, unspecified

I62 Other nontraumatic intracranial haemorrhage
Excludes: sequelae of intracranial haemorrhage ( I69.2 )
I62.0 Subdural haemorrhage (acute)(nontraumatic)
I62.1 Nontraumatic extradural haemorrhage
Nontraumatic epidural haemorrhage
I62.9 Intracranial haemorrhage (nontraumatic), unspecified

I63 Cerebral infarction
Includes: occlusion and stenosis of cerebral and precerebral arteries, resulting in cerebral infarction
Excludes: sequelae of cerebral infarction ( I69.3 )
I63.0 Cerebral infarction due to thrombosis of precerebral arteries
I63.1 Cerebral infarction due to embolism of precerebral arteries
I63.2 Cerebral infarction due to unspecified occlusion or stenosis of precerebral arteries
I63.3 Cerebral infarction due to thrombosis of cerebral arteries
I63.4 Cerebral infarction due to embolism of cerebral arteries
I63.5 Cerebral infarction due to unspecified occlusion or stenosis of cerebral arteries
I63.6 Cerebral infarction due to cerebral venous thrombosis, nonpyogenic
I63.8 Other cerebral infarction
I63.9 Cerebral infarction, unspecified

I64 Stroke, not specified as haemorrhage or infarction
Cerebrovascular accident NOS
Excludes: sequelae of stroke ( I69.4 )

I65 Occlusion and stenosis of precerebral arteries, not resulting in cerebral infarction
Includes: embolism
narrowing
obstruction (complete)(partial)
thrombosis
}
}
}
}
of basilar, carotid or vertebral arteries, not resulting in cerebral infarction
Excludes: when causing cerebral infarction ( I63.- )
I65.0 Occlusion and stenosis of vertebral artery
I65.1 Occlusion and stenosis of basilar artery
I65.2 Occlusion and stenosis of carotid artery
I65.3 Occlusion and stenosis of multiple and bilateral precerebral arteries
I65.8 Occlusion and stenosis of other precerebral artery
I65.9 Occlusion and stenosis of unspecified precerebral artery
Precerebral artery NOS

I66 Occlusion and stenosis of cerebral arteries, not resulting in cerebral infarction
Includes: embolism
narrowing
obstruction (complete)(partial)
thrombosis
}
}
}
}
of middle, anterior and posterior cerebral arteries, and cerebellar arteries, not resulting in cerebral infarction
Excludes: when causing cerebral infarction ( I63.- )
I66.0 Occlusion and stenosis of middle cerebral artery
I66.1 Occlusion and stenosis of anterior cerebral artery
I66.2 Occlusion and stenosis of posterior cerebral artery
I66.3 Occlusion and stenosis of cerebellar arteries
I66.4 Occlusion and stenosis of multiple and bilateral cerebral arteries
I66.8 Occlusion and stenosis of other cerebral artery
Occlusion and stenosis of perforating arteries
I66.9 Occlusion and stenosis of unspecified cerebral artery

I67 Other cerebrovascular diseases
Excludes: sequelae of the listed conditions ( I69.8 )
I67.0 Dissection of cerebral arteries, nonruptured
Excludes: ruptured cerebral arteries ( I60.7 )
I67.1 Cerebral aneurysm, nonruptured
Cerebral:
· aneurysm NOS
· arteriovenous fistula, acquired
Excludes: congenital cerebral aneurysm, nonruptured ( Q28.- )
ruptured cerebral aneurysm ( I60.9 )
I67.2 Cerebral atherosclerosis
Atheroma of cerebral arteries
I67.3 Progressive vascular leukoencephalopathy
Binswanger's disease
Excludes: subcortical vascular dementia ( F01.2 )
I67.4 Hypertensive encephalopathy
I67.5 Moyamoya disease
I67.6 Nonpyogenic thrombosis of intracranial venous system
Nonpyogenic thrombosis of:
· cerebral vein
· intracranial venous sinus
Excludes: when causing infarction ( I63.6 )
I67.7 Cerebral arteritis, not elsewhere classified
I67.8 Other specified cerebrovascular diseases
Acute cerebrovascular insufficiency NOS
Cerebral ischaemia (chronic)
I67.9 Cerebrovascular disease, unspecified

I68* Cerebrovascular disorders in diseases classified elsewhere
I68.0* Cerebral amyloid angiopathy ( E85.-+ )
I68.1* Cerebral arteritis in infectious and parasitic diseases classified elsewhere
Cerebral arteritis:
· listerial ( A32.8+ )
· syphilitic ( A52.0+ )
· tuberculous ( A18.8+ )
I68.2* Cerebral arteritis in other diseases classified elsewhere
Cerebral arteritis in systemic lupus erythematosus ( M32.1+ )
I68.8* Other cerebrovascular disorders in diseases classified elsewhere

I69 Sequelae of cerebrovascular disease
Note: This category is to be used to indicate conditions in I60-I67 as the cause of sequelae, themselves classified elsewhere. The "sequelae" include conditions specified as such or as late effects, or those present one year or more after onset of the causal condition.
I69.0 Sequelae of subarachnoid haemorrhage
I69.1 Sequelae of intracerebral haemorrhage
I69.2 Sequelae of other nontraumatic intracranial haemorrhage
I69.3 Sequelae of cerebral infarction
I69.4 Sequelae of stroke, not specified as haemorrhage or infarction
I69.8 Sequelae of other and unspecified cerebrovascular diseases


Processed on 29.10.2004 M.S. Source: World Health Organization © Copyright WHO/DIMDI 1994/2004