I67.1

Applicable To

• Cerebral aneurysm NOS

• Cerebral arteriovenous fistula, acquired

• Internal carotid artery aneurysm, intracranial portion

• Internal carotid artery aneurysm, NOS

Approximate Synonyms

• Aneurysm of internal carotid artery

• Aneurysm of intracranial portion of internal carotid artery

• Aneurysm of intracranial portion of left internal carotid artery

• Aneurysm of intracranial portion of right internal carotid artery

• Aneurysm of left internal carotid artery

• Aneurysm of right internal carotid artery

• Aneurysm, internal carotid artery

• Carotid cavernous fistula

• Carotid cavernous fistula, acquired

• Carotid cavernous fistula, spontaneous

• Intracranial aneurysm

• Left acquired carotid cavernous fistula

• Left internal carotid artery aneurysm

• Left internal carotid artery aneurysm, intracranial portion

• Non-ruptured acquired cerebral aneurysm

• Nonruptured acquired cerebral aneurysm

• Nonruptured cerebral aneurysm

• Right acquired carotid cavernous fistula

• Right internal carotid artery aneurysm

• Right internal carotid artery aneurysm, intracranial portion

Clinical Information

• Congenital or acquired abnormal outpouching of an intracranial blood vessel wall; saccular berry) aneurysms are the most common variant, and tend to form at arterial branch points near the base of the brain; rupture results in subarachnoid hemorrhage or intracranial hemorrhages; giant aneurysms >2.5 cm in diameter) may compress adjacent structures, including the oculomotor nerve.

Details

• I67.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

• The 2023 edition of ICD-10-CM I67.1 became effective on October 1, 2022.

• This is the American ICD-10-CM version of I67.1 – other international versions of ICD-10 I67.1 may differ.