Q24.5 – Malformation of coronary vessels
ICD-10-CM 2027 diagnosis code · Congenital malformations of the circulatory system
ICD-10-CM code
Q24.5
- Code
Q24.5(claims format:Q245)- Description
- Malformation of coronary vessels
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 17. Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1)
- Block
- Q20-Q28 Congenital malformations of the circulatory system
- Parent codes
- Q24
Notes for Q24.5
Applicable to:
- Congenital coronary (artery) aneurysm
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Q24 – Other congenital malformations of heart
Excludes1 (not coded here):
- endocardial fibroelastosis (I42.4)
Index terms for Q24.5
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Bridge, myocardial
- Distortion, coronary
- Single, coronary artery
- Absence, artery, coronary
- Accessory, coronary artery
- Agenesis, artery, coronary
- Aberrant, artery, coronary
- Aneurysm, congenital, coronary
- Aneurysm, coronary, congenital
- Malformation, coronary vessels
- Anomaly, anomalous, vein, coronary
- Anomaly, anomalous, artery, coronary
- Accessory, blood vessels NEC, coronary
- Deformity, coronary artery, congenital
- Atresia, atretic, artery NEC, coronary
- Stricture, artery, congenital, coronary
- Stricture, artery, coronary, congenital
- Narrowing, artery, coronary, congenital
- Disease, diseased, coronary, congenital
- Deformity, artery, coronary, congenital
- Anomaly, anomalous, valve, coronary sinus
- Hypoplasia, hypoplastic, artery, coronary
- Malposition, congenital, artery, coronary
- Anomaly, anomalous, valve, sinus coronario
- Anomaly, anomalous, coronary artery or vein
Related codes in Q24
- Q24.0 – DextrocardiaBillable
- Q24.1 – LevocardiaBillable
- Q24.2 – Cor triatriatumBillable
- Q24.3 – Pulmonary infundibular stenosisBillable
- Q24.4 – Congenital subaortic stenosisBillable
- Q24.6 – Congenital heart blockBillable
- Q24.8 – Other specified congenital malformations of heartBillable
- Q24.9 – Congenital malformation of heart, unspecifiedBillable
Frequently asked questions
What is ICD-10 code Q24.5?
Q24.5 is the ICD-10-CM code for malformation of coronary vessels, in the block Q20-Q28 (Congenital malformations of the circulatory system).
Is Q24.5 a billable code?
Yes. Q24.5 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does Q24.5 belong to?
It belongs to category Q24 – Other congenital malformations of heart.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.