ICD-10-CM › I00-I99 › I70-I79 › I71.2 Thoracic aortic aneurysm, without rupture › I71.21
I71.21
Aneurysm of the ascending aorta, without rupture
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2023 to now.
- FY2023 Added to the code set Aneurysm of the ascending aorta, without rupture
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from I71 Aortic aneurysm and dissection
Code first
- , if applicable:
- syphilitic aortic aneurysm (A52.01)
- traumatic aortic aneurysm (S25.09, S35.09)
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Hodgson's
- Aortectasia
- Widening aorta
- Aneurysm > chest
- Dilated, dilation
- Dilatation > aorta
- Sacculation > aorta
- Aneurysm > intrathoracic
- Necrosis, necrotic > aorta
- Aneurysm > thorax, thoracic
- Aortectasia > with aneurysm
- Disease, diseased > Hodgson's
- Widening aorta > with aneurysm
- Dilatation > aorta > with aneuysm
- Ectasia, ectasis > aorta > with aneurysm
- Aneurysm > aorta, aortic > ascending
- Aneurysm > aorta, aortic > thorax, thoracic > ascending
Codes in the same group
| Code | Description | Status |
|---|---|---|
| I71.20 | Thoracic aortic aneurysm, without rupture, unspecified | Valid |
| I71.22 | Aneurysm of the aortic arch, without rupture | Valid |
| I71.23 | Aneurysm of the descending thoracic aorta, without rupture | Valid |