Q25.4
Other congenital malformations of aorta
Q25.4 is a non-billable ICD-10-CM code header for other congenital malformations of aorta. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are Q25.40 Congenital malformation of aorta unspecified, Q25.41 Absence and aplasia of aorta, Q25.42 Hypoplasia of aorta, Q25.43 Congenital aneurysm of aorta and 6 more. Its coding notes include 1 Excludes1 entry and 1 Excludes2 entry.
Guidelines tip
From the FY2027 Official Guidelines. ICD10Ref adds no rules of its own.
Chapter 17 codes can be used for life. Manifestations that are an inherent part of a specifically coded anomaly are not coded separately. A corrected malformation is reported with a personal history code.
Excludes1
Not coded here. The listed conditions generally should not be reported together.
- hypoplasia of aorta in hypoplastic left heart syndrome (Q23.4)
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Also from chapter/block level (1 note)
- inborn errors of metabolism (E70-E88)
Notes
Also from chapter/block level (1 note)
- Codes from this chapter are not for use on maternal records
More specific codes under Q25.4 10
- Q25.40Congenital malformation of aorta unspecifiedBillable
- Q25.41Absence and aplasia of aortaBillable
- Q25.42Hypoplasia of aortaBillable
- Q25.43Congenital aneurysm of aortaBillable
- Q25.44Congenital dilation of aortaBillable
- Q25.45Double aortic archBillable
- Q25.46Tortuous aortic archBillable
- Q25.47Right aortic archBillable
- Q25.48Anomalous origin of subclavian arteryBillable
- Q25.49Other congenital malformations of aortaBillable