I77..75 Dissection of other precerebral arteries

Billable

Includes

  • Dissection of basilar artery (trunk)

Excludes 2 (not included here)

  • aneurysm of carotid artery (I72.0)
  • aneurysm of other precerebral arteries (I72.5)
  • aneurysm of vertebral artery (I72.6)
  • dissection of carotid artery (I77.71)
  • dissection of vertebral artery (I77.74)

Last reviewed: September 2026