| Value | Code Name | Code | Code System | Code Description |
|---|---|---|---|---|
| Vessel dissection | Vessel dissection | Vessel dissection | ||
| Illicit drug Use | Illicit drug Use | Illicit drug Use | ||
| Cancer | Cancer | Cancer | ||
| Aortic arch atheroma | Aortic arch atheroma | Aortic arch atheroma | ||
| Angiography or percutaneous intervention | Angiography or percutaneous intervention | Angiography or percutaneous intervention | ||
| Surgery | Surgery | Surgery | ||
| Hypercoagulable state | Hypercoagulable state | Hypercoagulable state | ||
| Temporal arteritis | Temporal arteritis | Temporal arteritis | ||
| Venous thrombosis | Venous thrombosis | Venous thrombosis | ||
| Patent foramen ovalle | Patent foramen ovalle | Patent foramen ovalle | ||
| Other, specify | Other, specify | Other, specify |