I71.012Billable
Dissection of descending thoracic aorta
- Chapter
- 9. Diseases of the circulatory system
- Category
- I71
- Effective date
- October 1, 2026
Related codes in category I71
I71Aortic aneurysm and dissectionI71.0Dissection of aortaI71.00Dissection of unspecified site of aortaYesI71.01Dissection of thoracic aortaI71.010Dissection of ascending aortaYesI71.011Dissection of aortic archYesI71.019Dissection 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 I71.012?
I71.012 is an ICD-10-CM diagnosis code for Dissection of descending thoracic aorta.
Is I71.012 a billable code?
Yes. I71.012 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is I71.012 in?
I71.012 falls under Chapter 9: Diseases of the circulatory system.
When did I71.012 become effective?
I71.012 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to I71.012?
I71.012 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.