I71.2 Thoracic aortic aneurysm, without ruptureNon-billable header with 4 child codes.
I71.20 Thoracic aortic aneurysm, without rupture, unspecifiedI71.21 Aneurysm of the ascending aorta, without ruptureI71.22 Aneurysm of the aortic arch, without ruptureI71.23 Aneurysm of the descending thoracic aorta, without rupture441.2 Thoracic aneurysm without mention of ruptureI72 Other aneurysm ("aneurysm (of) aorta (I71.-)")I77.81 Aortic ectasia ("aortic aneurysm and dissection (I71.-)")I71.1 Thoracic aortic aneurysm, rupturedI71.10 Thoracic aortic aneurysm, ruptured, unspecifiedI71.11 Aneurysm of the ascending aorta, rupturedI71.12 Aneurysm of the aortic arch, rupturedI71.13 Aneurysm of the descending thoracic aorta, rupturedI71.2 Thoracic aortic aneurysm, without rupture (this code)I71.20 Thoracic aortic aneurysm, without rupture, unspecifiedI71.21 Aneurysm of the ascending aorta, without ruptureI71.22 Aneurysm of the aortic arch, without ruptureI71.23 Aneurysm of the descending thoracic aorta, without ruptureI71.3 Abdominal aortic aneurysm, ruptured