I71 ICD-10-CA category: Aortic aneurysm and dissection
I71 isn’t a code on its own. Choose one of the 9 codes beneath it, the one the documentation supports.
Official description
I71Aortic aneurysm and dissection
ICD-10-CA · Canada
Codes in I71
I71 isn’t a code on its own. Open the code that matches what the note documents.
I71.0Dissection of aorta [any part]I71.1Thoracic aortic aneurysm, rupturedI71.2Thoracic aortic aneurysm, without mention of ruptureI71.3Abdominal aortic aneurysm, rupturedI71.4Abdominal aortic aneurysm, without mention of ruptureI71.5Thoracoabdominal aortic aneurysm, rupturedI71.6Thoracoabdominal aortic aneurysm, without mention of ruptureI71.8Aortic aneurysm of unspecified site, rupturedI71.9Aortic aneurysm of unspecified site, without mention of ruptureNotes for I71
As CIHI prints them, with any note I71 takes from the headings above it.
Excludes
Conditions classified elsewhere.
- Certain:• conditions originating in the perinatal period (P00-P96)• infectious and parasitic diseases (A00-B99)complications of pregnancy, childbirth and the puerperium (O00-O99)congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)endocrine, nutritional and metabolic diseases (E00-E90)injury, poisoning and certain other consequences of external causes (S00-T98)neoplasms (C00-D48)symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)systemic connective tissue disorders (M30-M36)transient cerebral ischaemic attacks and related syndromes (G45.-)From Chapter 9: Diseases of the circulatory system (I00-I99)
Where I71 sits
- 1ChapterChapter 9: Diseases of the circulatory system (I00-I99)
- 2Block I70-I79Diseases of arteries, arterioles and capillaries
- 3Category I71Aortic aneurysm and dissection
Source and release
- Data release
- ICD-10-CA · FY 2026–2027
- Effective date
- Apr 1, 2026
- Publisher
- CIHI
This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
Is I71 a valid ICD-10-CA code?
No. I71 (Aortic aneurysm and dissection) is a category heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 9 codes; record the one the documentation supports.
Where is I71 in ICD-10-CA?
I71 sits under I70-I79 Diseases of arteries, arterioles and capillaries, within Chapter 9: Diseases of the circulatory system (I00-I99).
What coding notes apply to I71?
ICD-10-CA lists Excludes notes for I71, including those from the headings it sits under. They are listed on this page with where each one comes from.
Which ICD-10-CA release does this page use?
It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.