Emergency: 119
AMDA-IMIC

I77..81 Aortic ectasia

Non-billable header

← I77 — Other disorders of arteries and arterioles Chapter 9: I00-I99

Includes

  • Ectasis aorta

Excludes 1 (cannot be coded together)

  • aortic aneurysm and dissection (I71.-)

Last reviewed: September 2026