ICD-10-CM · Chapter 9 · I00-I99
I71 Aortic aneurysm and dissection
Code First
- , if applicable:
- syphilitic aortic aneurysm (A52.01)
- traumatic aortic aneurysm (S25.09, S35.09)
Subcodes
Each subcode links to a detail page with full clinical annotations.
| Code | Description | Billable |
|---|---|---|
| I71..0 | Dissection of aorta | No |
| I71..00 | Dissection of unspecified site of aorta | Yes |
| I71..01 | Dissection of thoracic aorta | No |
| I71..010 | Dissection of ascending aorta | Yes |
| I71..011 | Dissection of aortic arch | Yes |
| I71..012 | Dissection of descending thoracic aorta | Yes |
| I71..019 | Dissection of thoracic aorta, unspecified | Yes |
| I71..02 | Dissection of abdominal aorta | Yes |
| I71..03 | Dissection of thoracoabdominal aorta | Yes |
| I71..1 | Thoracic aortic aneurysm, ruptured | No |
| I71..10 | Thoracic aortic aneurysm, ruptured, unspecified | Yes |
| I71..11 | Aneurysm of the ascending aorta, ruptured | Yes |
| I71..12 | Aneurysm of the aortic arch, ruptured | Yes |
| I71..13 | Aneurysm of the descending thoracic aorta, ruptured | Yes |
| I71..2 | Thoracic aortic aneurysm, without rupture | No |
| I71..20 | Thoracic aortic aneurysm, without rupture, unspecified | Yes |
| I71..21 | Aneurysm of the ascending aorta, without rupture | Yes |
| I71..22 | Aneurysm of the aortic arch, without rupture | Yes |
| I71..23 | Aneurysm of the descending thoracic aorta, without rupture | Yes |
| I71..3 | Abdominal aortic aneurysm, ruptured | No |
| I71..30 | Abdominal aortic aneurysm, ruptured, unspecified | Yes |
| I71..31 | Pararenal abdominal aortic aneurysm, ruptured | Yes |
| I71..32 | Juxtarenal abdominal aortic aneurysm, ruptured | Yes |
| I71..33 | Infrarenal abdominal aortic aneurysm, ruptured | Yes |
| I71..4 | Abdominal aortic aneurysm, without rupture | No |
| I71..40 | Abdominal aortic aneurysm, without rupture, unspecified | Yes |
| I71..41 | Pararenal abdominal aortic aneurysm, without rupture | Yes |
| I71..42 | Juxtarenal abdominal aortic aneurysm, without rupture | Yes |
| I71..43 | Infrarenal abdominal aortic aneurysm, without rupture | Yes |
| I71..5 | Thoracoabdominal aortic aneurysm, ruptured | No |
| I71..50 | Thoracoabdominal aortic aneurysm, ruptured, unspecified | Yes |
| I71..51 | Supraceliac aneurysm of the thoracoabdominal aorta, ruptured | Yes |
| I71..52 | Paravisceral aneurysm of the thoracoabdominal aorta, ruptured | Yes |
| I71..6 | Thoracoabdominal aortic aneurysm, without rupture | No |
| I71..60 | Thoracoabdominal aortic aneurysm, without rupture, unspecified | Yes |
| I71..61 | Supraceliac aneurysm of the thoracoabdominal aorta, without rupture | Yes |
| I71..62 | Paravisceral aneurysm of the thoracoabdominal aorta, without rupture | Yes |
| I71..8 | Aortic aneurysm of unspecified site, ruptured | Yes |
| I71..9 | Aortic aneurysm of unspecified site, without rupture | Yes |
Plain-language term for this code
The following entry in the US Medical Glossary corresponds to ICD-10-CM category I71:
- Aortic Aneurysm — Aneurisma aórtico
Last reviewed: September 2026