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I67.1

✓ Billable

Cerebral aneurysm, nonruptured

Diseases of the circulatory system (I00-I99)

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Also Known As

Cerebral aneurysm NOSCerebral arteriovenous fistula, acquiredInternal carotid artery aneurysm, intracranial portionInternal carotid artery aneurysm, NOS

❌ Excludes1

direct

Cannot be coded with I67.1

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

❌ Excludes1

inherited from I67

Rules from parent category 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 I67

Rules from parent category I67: Other cerebrovascular diseases

  • • sequelae of the listed conditions (I69.8)

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Code Information

CodeI67.1
BillableYes
ParentI67
CategoryDiseases of the circulatory system (I00-I99)
Excludes14 rule(s)
Excludes21 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)