2026 ICD-10-CM Diagnosis Code I67.0Dissection of cerebral arteries, nonruptured
ICD-10-CM Codes›I00–I99›I60-I69›I67
- Billable — Valid for Submission
- Chronic Condition
I67.0 is a billable ICD-10-CM diagnosis code for dissection of cerebral arteries, nonruptured. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 299 through 301. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Arterial dissections.
Code Identity
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Aneurysm of anterior cerebral artery
- Aneurysm of middle cerebral artery
- Aneurysm of posterior cerebral artery
- Cerebral aneurysm due to dissection of cerebral artery
- Dissecting aneurysm of anterior cerebral artery
- Dissecting aneurysm of middle cerebral artery
- Dissecting aneurysm of posterior cerebral artery
- Dissection of anterior cerebral artery
- Dissection of cerebral artery
- Dissection of intracranial artery
- Dissection of middle cerebral artery
- Dissection of multiple cerebral arteries
- Dissection of posterior cerebral artery
Tabular List NotesGuidance
Coding notes and annotation back-references applicable to this code.
Type 1 Excludes
- ruptured cerebral arteries I60.7
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
- cerebral (nonruptured) - I67.0
External Cause of Injuries IndexGuidance
References for this code in the External Cause of Injuries Index.
- Dissection
- artery
- cerebral (nonruptured)
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Patient EducationClinical
Brain Diseases
Your brain is the control center of your body. It controls your thoughts, memory, speech, and movement. It regulates the function of many organs. It's part of your nervous system, which also includes your spinal cord and peripheral nerves. The nervous system sends signals between your brain and the rest of the body.
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Convert I67.0 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About I67.0Overview
Is I67.0 (Other cerebrovascular diseases) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report dissection of cerebral arteries, nonruptured on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
What MS-DRG does I67.0 group to?
When dissection of cerebral arteries, nonruptured is the principal diagnosis on an inpatient stay, it groups to MS-DRG 299, 300, 301, with relative weights from 0.7197 to 1.6327 depending on complications. Higher weights mean higher Medicare reimbursement.
What is the ICD-9 equivalent of I67.0?
Under the General Equivalence Mappings, dissection of cerebral arteries, nonruptured converts to ICD-9-CM 443.29 (dissection artery NEC). The mapping is approximate, so confirm the match fits the documentation.
Footnotes
[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:
- The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
- The condition places limitations on self-care, independent living, and social interactions.
