| I67 | Other cerebrovascular diseases | NON-BILLABLE CODE |
| I67.1 | Cerebral aneurysm, nonruptured | BILLABLE CODE |
| I67.2 | Cerebral atherosclerosis | BILLABLE CODE |
| I67.3 | Progressive vascular leukoencephalopathy | BILLABLE CODE |
| I67.4 | Hypertensive encephalopathy | BILLABLE CODE |
| I67.5 | Moyamoya disease | BILLABLE CODE |
| I67.6 | Nonpyogenic thrombosis of intracranial venous system | BILLABLE CODE |
| I67.7 | Cerebral arteritis, not elsewhere classified | BILLABLE CODE |
| I67.8 | Other specified cerebrovascular diseases | NON-BILLABLE CODE |
| I67.81 | Acute cerebrovascular insufficiency | BILLABLE CODE |
| I67.82 | Cerebral ischemia | BILLABLE CODE |
| I67.83 | Posterior reversible encephalopathy syndrome | BILLABLE CODE |
| I67.84 | Cerebral vasospasm and vasoconstriction | NON-BILLABLE CODE |
| I67.841 | Reversible cerebrovascular vasoconstriction syndrome | BILLABLE CODE |
| I67.848 | Other cerebrovascular vasospasm and vasoconstriction | BILLABLE CODE |
| I67.85 | Hereditary cerebrovascular diseases | NON-BILLABLE CODE |
| I67.850 | Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy | BILLABLE CODE |
| I67.858 | Other hereditary cerebrovascular disease | BILLABLE CODE |
| I67.89 | Other cerebrovascular disease | BILLABLE CODE |
| I67.9 | Cerebrovascular disease, unspecified | BILLABLE CODE |
