I71.0Header code — not billable
Dissection of aorta
- Chapter
- 9. Diseases of the circulatory system
- Category
- I71
- Effective date
- October 1, 2026
Related codes in category I71
I71Aortic aneurysm and dissectionI71.00Dissection of unspecified site of aortaYesI71.01Dissection of thoracic aortaI71.010Dissection of ascending aortaYesI71.011Dissection of aortic archYesI71.012Dissection of descending thoracic aortaYesI71.019Dissection of thoracic aorta, unspecifiedYesI71.02Dissection of abdominal aortaYesI71.03Dissection of thoracoabdominal aortaYesI71.1Thoracic aortic aneurysm, rupturedI71.10Thoracic aortic aneurysm, ruptured, unspecifiedYesI71.11Aneurysm of the ascending aorta, rupturedYes
Frequently asked questions
What is ICD-10 code I71.0?
I71.0 is an ICD-10-CM diagnosis code for Dissection of aorta.
Is I71.0 a billable code?
No. I71.0 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is I71.0 in?
I71.0 falls under Chapter 9: Diseases of the circulatory system.
When did I71.0 become effective?
I71.0 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to I71.0?
I71.0 belongs to category I71, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.