Q25 ICD-10-CA category: Congenital malformations of great arteries
Q25 isn’t a code on its own. Choose one of the 10 codes beneath it, the one the documentation supports.
Official description
Q25Congenital malformations of great arteries
ICD-10-CA · Canada
Codes in Q25
Q25 isn’t a code on its own. Open the code that matches what the note documents.
Q25.0Patent ductus arteriosusQ25.1Coarctation of aortaQ25.2Atresia of aortaQ25.3Stenosis of aortaQ25.4Other congenital malformations of aortaQ25.5Atresia of pulmonary arteryQ25.6Stenosis of pulmonary arteryQ25.7Other congenital malformations of pulmonary arteryQ25.8Other congenital malformations of great arteriesQ25.9Congenital malformation of great arteries, unspecifiedNotes for Q25
As CIHI prints them, with any note Q25 takes from the headings above it.
Excludes
Conditions classified elsewhere.
- Inborn errors of metabolism (E70-E90)From Chapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
Where Q25 sits
- 1ChapterChapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- 2Block Q20-Q28Congenital malformations of the circulatory system
- 3Category Q25Congenital malformations of great arteries
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 Q25 a valid ICD-10-CA code?
No. Q25 (Congenital malformations of great arteries) is a category heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 10 codes; record the one the documentation supports.
Where is Q25 in ICD-10-CA?
Q25 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 Q25?
ICD-10-CA lists Excludes notes for Q25, 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 Q25
View Q20-Q28Q20Congenital malformations of cardiac chambers and connectionsQ21Congenital malformations of cardiac septaQ22Congenital malformations of pulmonary and tricuspid valvesQ23Congenital malformations of aortic and mitral valvesQ24Other congenital malformations of heartQ26Congenital malformations of great veinsQ27Other congenital malformations of peripheral vascular systemQ28Other congenital malformations of circulatory system