Category I71

Aortic aneurysm and dissection

Clinical Classification Guidelines

Code First

  • , if applicable:
  • syphilitic aortic aneurysm (A52.01)
  • traumatic aortic aneurysm (S25.09, S35.09)

Specific Diagnosis Codes

Dissection of aorta
I71.0
Dissection of unspecified site of aorta
I71.00
Dissection of thoracic aorta
I71.01
Dissection of ascending aorta
I71.010
Dissection of aortic arch
I71.011
Dissection of descending thoracic aorta
I71.012
Dissection of thoracic aorta, unspecified
I71.019
Dissection of abdominal aorta
I71.02
Dissection of thoracoabdominal aorta
I71.03
Thoracic aortic aneurysm, ruptured
I71.1
Thoracic aortic aneurysm, ruptured, unspecified
I71.10
Aneurysm of the ascending aorta, ruptured
I71.11
Aneurysm of the aortic arch, ruptured
I71.12
Aneurysm of the descending thoracic aorta, ruptured
I71.13
Thoracic aortic aneurysm, without rupture
I71.2
Thoracic aortic aneurysm, without rupture, unspecified
I71.20
Aneurysm of the ascending aorta, without rupture
I71.21
Aneurysm of the aortic arch, without rupture
I71.22
Aneurysm of the descending thoracic aorta, without rupture
I71.23
Abdominal aortic aneurysm, ruptured
I71.3
Abdominal aortic aneurysm, ruptured, unspecified
I71.30
Pararenal abdominal aortic aneurysm, ruptured
I71.31
Juxtarenal abdominal aortic aneurysm, ruptured
I71.32
Infrarenal abdominal aortic aneurysm, ruptured
I71.33
Abdominal aortic aneurysm, without rupture
I71.4
Abdominal aortic aneurysm, without rupture, unspecified
I71.40
Pararenal abdominal aortic aneurysm, without rupture
I71.41
Juxtarenal abdominal aortic aneurysm, without rupture
I71.42
Infrarenal abdominal aortic aneurysm, without rupture
I71.43
Thoracoabdominal aortic aneurysm, ruptured
I71.5
Thoracoabdominal aortic aneurysm, ruptured, unspecified
I71.50
Supraceliac aneurysm of the thoracoabdominal aorta, ruptured
I71.51
Paravisceral aneurysm of the thoracoabdominal aorta, ruptured
I71.52
Thoracoabdominal aortic aneurysm, without rupture
I71.6
Thoracoabdominal aortic aneurysm, without rupture, unspecified
I71.60
Supraceliac aneurysm of the thoracoabdominal aorta, without rupture
I71.61
Paravisceral aneurysm of the thoracoabdominal aorta, without rupture
I71.62
Aortic aneurysm of unspecified site, ruptured
I71.8
Aortic aneurysm of unspecified site, without rupture
I71.9