Q25.49 – Other congenital malformations of aorta
ICD-10-CM 2027 diagnosis code · Congenital malformations of the circulatory system
ICD-10-CM code
Q25.49
- Code
Q25.49(claims format:Q2549)- Description
- Other congenital malformations of aorta
- 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
- Q25 › Q25.4
Notes for Q25.49
Applicable to:
- Aortic arch
- Bovine arch
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Q25.4 – Other congenital malformations of aorta
Excludes1 (not coded here):
- hypoplasia of aorta in hypoplastic left heart syndrome (Q23.4)
Index terms for Q25.49
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Arch, aortic
- Arch, bovine
- Overriding, aorta
- Pseudotruncus arteriosus
- Congenital, aortic septum
- Malposition, congenital, aorta
- Deformity, transverse aortic arch
- Anomaly, anomalous, sinus of Valsalva
- Malformation, aorta, specified type NEC
- Absence, transverse aortic arch, congenital
- Persistence, persistent, left, root with right arch of aorta
Related codes in Q25.4
- 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
Frequently asked questions
What is ICD-10 code Q25.49?
Q25.49 is the ICD-10-CM code for other congenital malformations of aorta, in the block Q20-Q28 (Congenital malformations of the circulatory system).
Is Q25.49 a billable code?
Yes. Q25.49 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does Q25.49 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.