I67.1

I67.1: Cerebral aneurysm, nonruptured

Billable / specific codeICD-10-CM

I67.1 is a billable, specific ICD-10-CM code for cerebral aneurysm, nonruptured. It is valid for submission on a claim.

Check I67.1 with the rest of the claim: free scrubber

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

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

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

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

Excludes1 inherited from the categories above I67.1

A category’s note binds every code beneath it.

Written on I67: Other cerebrovascular diseases

Occlusion and stenosis of cerebral artery causing cerebral infarction (I63.3-I63.5-)
Occlusion and stenosis of precerebral artery causing cerebral infarction (I63.2-)

Excludes2 inherited from the categories above I67.1

Not part of this code, but both may be coded when both are present.

Written on I67: Other cerebrovascular diseases

sequelae of the listed conditions (I69.8)

Other codes that can never be billed with I67.1

Their own Excludes1 notes name this code, so the conflict is not listed above.

I60.7Nontraumatic subarachnoid hemorrhage from unspecified intracranial artery
I72.0Aneurysm of carotid artery

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

I67.1 is named in 22 Medicare coverage policies: 22 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A52992Billing and Coding: Non-Invasive Cerebrovascular Arterial Studies
A56551Billing and Coding: Visual Fields Testing
A56612Billing and Coding: CT of the Head
A56631Billing and Coding: Thoracic Aortography and Carotid, Vertebral, and Subclavian Angiography

Alphabetic index entries that lead here

Aneurysm›berry(congenital) (nonruptured)
Aneurysm›brain
Aneurysm›cavernous sinus
Aneurysm›circle of Willis
Aneurysm›miliary(congenital)
Aneurysm›arteriosclerotic›cerebral
Aneurysm›brain›arteriosclerotic
Aneurysm›brain›berry(congenital) (nonruptured)
Aneurysm›brain›meninges
Aneurysm›brain›miliary(congenital) (nonruptured)
Aneurysm›brain›mycotic
Aneurysm›carotid artery›internal(intracranial)

Code history

Unchanged in every release from FY2024 to FY2027.