Q27 ICD-10-CA category: Other congenital malformations of peripheral vascular system

Q27 isn’t a code on its own. Choose one of the 11 codes beneath it, the one the documentation supports.

Official description

Q27

Other congenital malformations of peripheral vascular system

ICD-10-CA · Canada

Codes in Q27

Q27 isn’t a code on its own. Open the group that matches what the note documents.

Notes for Q27

As CIHI prints them, with any note Q27 takes from the headings above it.

Excludes

Conditions classified elsewhere.

  • Anomalies of:• cerebral and precerebral vessels (Q28.0-Q28.3)• coronary vessels (Q24.5)• pulmonary artery (Q25.5-Q25.7)congenital retinal aneurysm (Q14.1)haemangioma and lymphangioma (D18.-)
  • Inborn errors of metabolism (E70-E90)From Chapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)

Where Q27 sits

  1. 1ChapterChapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  2. 2Block Q20-Q28Congenital malformations of the circulatory system
  3. 3Category Q27Other congenital malformations of peripheral vascular system

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 Q27 a valid ICD-10-CA code?

No. Q27 (Other congenital malformations of peripheral vascular system) is a category heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 11 codes; record the one the documentation supports.

Where is Q27 in ICD-10-CA?

Q27 sits under Q20-Q28 Congenital malformations of the circulatory system, within Chapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99).

What coding notes apply to Q27?

ICD-10-CA lists Excludes notes for Q27, 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.