Q25.4
Header — not billableOther congenital malformations of aorta
The ICD-10 code for other congenital malformations of aorta is Q25.4.
Q25.4 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 10 more specific codes below.
Clinical notes
Excludes1 (not coded here)
An Excludes1 note is a pure exclusion: the excluded condition and this code should never be reported together, because the two conditions cannot occur at the same time (e.g. a congenital form vs. an acquired form of the same disease).
- hypoplasia of aorta in hypoplastic left heart syndrome (Q23.4)
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •Confirm the excluded condition(s) listed above are not also present — Excludes1 conditions cannot be coded together with this one.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under Q25.4
- Q25.40Congenital malformation of aorta unspecified
- Q25.41Absence and aplasia of aorta
- Q25.42Hypoplasia of aorta
- Q25.43Congenital aneurysm of aorta
- Q25.44Congenital dilation of aorta
- Q25.45Double aortic arch
- Q25.46Tortuous aortic arch
- Q25.47Right aortic arch
- Q25.48Anomalous origin of subclavian artery
- Q25.49Other congenital malformations of aorta
Related codes in this category
- Q25.0Patent ductus arteriosus
- Q25.1Coarctation of aorta
- Q25.2Atresia of aortanon-billable header
- Q25.3Supravalvular aortic stenosis
- Q25.5Atresia of pulmonary artery
- Q25.6Stenosis of pulmonary artery
- Q25.7Other congenital malformations of pulmonary arterynon-billable header
- Q25.8Other congenital malformations of other great arteries
- Q25.9Congenital malformation of great arteries, unspecified
- Q25.4Other congenital malformations of aortanon-billable header