| Value | Code Name | Code | Code System | Code Description |
|---|---|---|---|---|
| Saccular aneurysm | Saccular aneurysm | Saccular aneurysm | ||
| Mycotic aneurysm | Mycotic aneurysm | Mycotic aneurysm | ||
| Cerebral AVM or other vascular malformation | Cerebral AVM or other vascular malformation | Cerebral AVM or other vascular malformation | ||
| Cerebral tumor | Cerebral tumor | Cerebral tumor | ||
| Illicit drug Use | Illicit drug Use | Illicit drug Use | ||
| Antithrombotic use | Antithrombotic use | Antithrombotic use | ||
| Spinal cord AVM | Spinal cord AVM | Spinal cord AVM | ||
| Spinal cord tumor | Spinal cord tumor | Spinal cord tumor | ||
| Other, specify | Other, specify | Other, specify | ||
| Undetermined | Undetermined | Undetermined | ||
| Fusiform aneurysm | Fusiform aneurysm | Fusiform aneurysm | ||
| Presumed amyloid angiopathy | Presumed amyloid angiopathy | Presumed amyloid angiopathy |