I67 Other cerebrovascular diseases

Category / Non-billable header 20 subcodes

Block: Cerebrovascular diseases (I60-I69)

Excludes 1 (cannot be coded together)

  • Occlusion and stenosis of cerebral artery causing cerebral infarction (I63.3-I63.5-)
  • Occlusion and stenosis of precerebral artery causing cerebral infarction (I63.2-)

Excludes 2 (not included here)

  • sequelae of the listed conditions (I69.8)

Subcodes

Each subcode links to a detail page with full clinical annotations.

Code Description Billable
I67..0 Dissection of cerebral arteries, nonruptured Yes
I67..1 Cerebral aneurysm, nonruptured Yes
I67..2 Cerebral atherosclerosis Yes
I67..3 Progressive vascular leukoencephalopathy Yes
I67..4 Hypertensive encephalopathy Yes
I67..5 Moyamoya disease Yes
I67..6 Nonpyogenic thrombosis of intracranial venous system Yes
I67..7 Cerebral arteritis, not elsewhere classified Yes
I67..8 Other specified cerebrovascular diseases No
I67..81 Acute cerebrovascular insufficiency Yes
I67..82 Cerebral ischemia Yes
I67..83 Posterior reversible encephalopathy syndrome Yes
I67..84 Cerebral vasospasm and vasoconstriction No
I67..841 Reversible cerebrovascular vasoconstriction syndrome Yes
I67..848 Other cerebrovascular vasospasm and vasoconstriction Yes
I67..85 Hereditary cerebrovascular diseases No
I67..850 Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy Yes
I67..858 Other hereditary cerebrovascular disease Yes
I67..89 Other cerebrovascular disease Yes
I67..9 Cerebrovascular disease, unspecified Yes

Last reviewed: September 2026