Cerebral aneurysm, nonruptured

**Inclusion terms:** - Cerebral aneurysm NOS - Cerebral arteriovenous fistula, acquired - Internal carotid artery aneurysm, intracranial portion - Internal carotid artery aneurysm, NOS

**Excludes1:** - congenital cerebral aneurysm, nonruptured (Q28.-) - ruptured cerebral aneurysm (I60.7)