ICD-10-CM · Chapter 9

I67..1 Cerebral aneurysm, nonruptured

Billable

← I67 — Other cerebrovascular diseases Chapter 9: I00-I99

Includes

Cerebral aneurysm NOS
Cerebral arteriovenous fistula, acquired
Internal carotid artery aneurysm, intracranial portion
Internal carotid artery aneurysm, NOS

Excludes 1 (cannot be coded together)

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

Last reviewed: September 2026