Cerebrovascular abnormalities

**Definition:** Cerebrovascular abnormalities in diseases that also involve other parts of the vascular system than intracranial and extracranial arteries, or other body systems than the nervous system.

**Long definition:** Entities in this section should be coded together with the main classification code of the specific disease. Entities in this section may also be used in combination with other diagnostic codes within the block of Cerebrovascular Diseases as appropriate. The different entities may, for example, manifest clinically as TIA or cerebral ischemic stroke.