I63.81 — Other cereb infrc due to occls or stenosis of small artery

I63.81 is the ICD-10-CM 2025 code for Other cereb infrc due to occls or stenosis of small artery. Other cerebral infarction due to occlusion or stenosis of small artery. ICD-10-CM is the medical coding system used by clinicians, hospitals and insurers worldwide to classify diseases and conditions in a standard way.

Yes, I63.81 is a billable / specific ICD-10-CM code, meaning it can be used by clinicians and hospitals as a primary or secondary diagnosis on claims and electronic health records.

I63.81 belongs to the chapter "Diseases of the circulatory system" (codes I00-I99). ICD-10-CM organises codes into 22 chapters by body system or condition type, which helps clinicians navigate related diagnoses.

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