Q25.4 – Other congenital malformations of aorta
ICD-10-CM 2027 diagnosis code · Congenital malformations of the circulatory system
ICD-10-CM code
Q25.4
- Code
Q25.4(claims format:Q254)- Description
- Other congenital malformations of aorta
- Billable
- No – use a more specific code below
- 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
- Q25
Billable codes under Q25.4
Q25.4 is a header code and cannot be used on claims. Choose the most specific code:
- Q25.40 – Congenital malformation of aorta unspecifiedBillable
- Q25.41 – Absence and aplasia of aortaBillable
- Q25.42 – Hypoplasia of aortaBillable
- Q25.43 – Congenital aneurysm of aortaBillable
- Q25.44 – Congenital dilation of aortaBillable
- Q25.45 – Double aortic archBillable
- Q25.46 – Tortuous aortic archBillable
- Q25.47 – Right aortic archBillable
- Q25.48 – Anomalous origin of subclavian arteryBillable
- Q25.49 – Other congenital malformations of aortaBillable
Notes for Q25.4
Excludes1 (not coded here):
- hypoplasia of aorta in hypoplastic left heart syndrome (Q23.4)
Related codes in Q25
- Q25.0 – Patent ductus arteriosusBillable
- Q25.1 – Coarctation of aortaBillable
- Q25.2 – Atresia of aortaHeader
- Q25.3 – Supravalvular aortic stenosisBillable
- Q25.5 – Atresia of pulmonary arteryBillable
- Q25.6 – Stenosis of pulmonary arteryBillable
- Q25.7 – Other congenital malformations of pulmonary arteryHeader
- Q25.8 – Other congenital malformations of other great arteriesBillable
- Q25.9 – Congenital malformation of great arteries, unspecifiedBillable
Frequently asked questions
What is ICD-10 code Q25.4?
Q25.4 is the ICD-10-CM code for other congenital malformations of aorta, in the block Q20-Q28 (Congenital malformations of the circulatory system).
Is Q25.4 a billable code?
No. Q25.4 is a header code with more specific child codes; report one of the billable codes listed above.
What category does Q25.4 belong to?
It belongs to category Q25 – Congenital malformations of great arteries.
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.