Q24.5 ICD-10-CA code: Malformation of coronary vessels
Q24.5 is the ICD-10-CA code for “Malformation of coronary vessels” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
Q24.5Malformation of coronary vessels
ICD-10-CA · Canada · Also written Q245
Index terms
Entries in CIHI’s alphabetical index that lead to Q24.5. Searching the index by the condition the note names is how coders reach this code.
- Atresia, atretic, artery NEC, coronary
- Accessory (congenital), coronary artery
- Agenesis, artery (peripheral), coronary
- Stricture, coronary (artery), congenital
- Fistula, coronary, arteriovenous, congenital
- Disease, diseased, coronary (artery), congenital
- Deformity, coronary artery (acquired), congenital
- Stricture, artery, congenital (peripheral), coronary
- Hypoplasia, hypoplastic, artery (peripheral), coronary
- Malposition, congenital, artery (peripheral), coronary
- Fistula, arteriovenous (acquired) (nonruptured), coronary, congenital
- Anomaly, anomalous (congenital) (unspecified type), coronary artery or vein
- Deformity, artery (congenital) (peripheral) NEC, coronary (acquired), congenital
- Anomaly, anomalous (congenital) (unspecified type), artery (peripheral), coronary
- Anomaly, anomalous (congenital) (unspecified type), vein(s) (peripheral), coronary
- Anomaly, anomalous (congenital) (unspecified type), valve (heart) NEC, coronary sinus
- Anomaly, anomalous (congenital) (unspecified type), valve (heart) NEC, sinus coronario
- Absence (organ or part) (complete or partial), artery (congenital) (peripheral), coronary
- Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (saccular), congenital (peripheral), coronary
- Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (saccular), coronary (arteriosclerotic) (artery), congenital
- Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (saccular), coronary (arteriosclerotic) (artery), arteriovenous, congenital
Notes for Q24.5
As CIHI prints them, with any note Q24.5 takes from the headings above it.
Includes
- Absence of coronary arteryCongenital coronary (artery) aneurysm
Excludes
Conditions classified elsewhere.
- Endocardial fibroelastosis (I42.4)From Q24 Other congenital malformations of heart
- Inborn errors of metabolism (E70-E90)From Chapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
Where Q24.5 sits
- 1ChapterChapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- 2Block Q20-Q28Congenital malformations of the circulatory system
- 3Category Q24Other congenital malformations of heart
- 4Valid code Q24.5Malformation of coronary vessels
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
What does ICD-10-CA code Q24.5 mean?
Q24.5 is the ICD-10-CA code for “Malformation of coronary vessels” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is Q24.5 in ICD-10-CA?
Q24.5 sits under Q24 Other congenital malformations of heart, within Q20-Q28 Congenital malformations of the circulatory system, within Chapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99).
What coding notes apply to Q24.5?
ICD-10-CA lists Includes, Excludes notes for Q24.5, 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.