AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2016 Issue 4; ICD-10-CM NEW/REVISED CODES

Other Congenital Malformations of the Aorta

Code Q25.4, Other congenital malformations of aorta, has been expanded to uniquely describe specific aortic disorders, such as congenital malformation of aorta NOS (Q25.40); absence and aplasia of aorta (Q25.41); hypoplasia of aorta (Q25.42); congenital aneurysm of aorta (Q25.43); congenital dilation of aorta (Q25.44); double aortic arch (Q25.45); tortuous aortic arch (Q25.46); right aortic arch (Q25.47); anomalous origin of subclavian artery (Q25.48); and other congenital malformations of aorta (Q25.49). Congenital malformations of the aorta are very common. The aorta is divided into segments according to its anatomic course...

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