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I72.6 ICD-10-CA code: Aneurysm and dissection of vertebral artery

I72.6 is the ICD-10-CA code for “Aneurysm and dissection of vertebral artery” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

I72.6

Aneurysm and dissection of vertebral artery

Short description: Aneurysm & dissection vertebral artery

ICD-10-CA · Canada · Also written I726

Index terms

Entries in CIHI’s alphabetical index that lead to I72.6. Searching the index by the condition the note names is how coders reach this code.

  • Dissection, artery NEC, vertebral
  • Dissection, artery NEC, precerebral NEC, acquired NEC (ruptured), vertebral
  • Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (saccular), precerebral NEC, acquired (ruptured), vertebral

Notes for I72.6

As CIHI prints them, with any note I72.6 takes from the headings above it.

Includes

Excludes

Conditions classified elsewhere.

  • Aneurysm (of):• aorta (I71.-)• arteriovenous NOS (Q27.3)• acquired (I77.0)• cerebral (nonruptured) (I67.1)• dissection (nonruptured) (I67.0)• ruptured (I60.-)• coronary (I25.4)• heart (I25.3)• pulmonary artery (I28.1)• retinal (H35.0)• varicose (I77.0)dissection (of):• coronary artery (I25.4)• precerebral artery, congenital (nonruptured) (Q28.1)From I72 Other aneurysm and dissection
  • 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 I72.6 sits

  1. 1ChapterChapter 9: Diseases of the circulatory system (I00-I99)
  2. 2Block I70-I79Diseases of arteries, arterioles and capillaries
  3. 3Category I72Other aneurysm and dissection
  4. 4Valid code I72.6Aneurysm and dissection of vertebral artery

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.

See I72.6 in the CIHI source

Frequently asked questions

What does ICD-10-CA code I72.6 mean?

I72.6 is the ICD-10-CA code for “Aneurysm and dissection of vertebral artery” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is I72.6 in ICD-10-CA?

I72.6 sits under I72 Other aneurysm and dissection, within I70-I79 Diseases of arteries, arterioles and capillaries, within Chapter 9: Diseases of the circulatory system (I00-I99).

What coding notes apply to I72.6?

ICD-10-CA lists Includes, Excludes notes for I72.6, 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.

Codes beside I72.6

I72.0Aneurysm and dissection of carotid arteryI72.1Aneurysm and dissection of artery of upper extremityI72.2Aneurysm and dissection of renal arteryI72.3Aneurysm and dissection of iliac arteryI72.4Aneurysm and dissection of artery of lower extremityI72.5Aneurysm and dissection of other precerebral arteriesI72.8Aneurysm and dissection of other specified arteriesI72.9Aneurysm and dissection of unspecified site