| 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 |
