Specific code 2006 ICD-9-CM Diagnosis Code 747.21
Congenital anomalies of aortic arch
  • Short description: ANOMALIES OF AORTIC ARCH.
  • ICD-9-CM 747.21 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 747.21 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
  • You are viewing the 2006 version of ICD-9-CM 747.21.
  • More recent version(s) of ICD-9-CM 747.21: 2007 2008 2009 2010 2011 2012 2013 2014 2015.
Convert to ICD-10-CM: 747.21 converts approximately to:
  • 2015/16 ICD-10-CM Q25.4 Other congenital malformations of aorta
Approximate Synonyms
  • Anomalous origin of right subclavian artery
  • Congenital (at birth) pseudocoarctation of the aorta
  • Congenital pseudocoarctation of aorta
  • Congenital pseudocoarctation of aorta (at birth)
  • Dextraposition of aorta
  • Dextroposition of aorta
  • Double aortic arch
  • Kommerells diverticulum
  • Kommerell's diverticulum
  • Overriding aorta
  • Persistent right aortic arch
  • Pseudocoarctation of aorta
  • Pseudocoarctation of aorta, congenital
  • Right aortic arch
  • Vascular ring of aorta
747.21 Excludes
  • hypoplasia of aortic arch (747.10)
Applies To
  • Anomalous origin, right subclavian artery
  • Dextraposition of aorta
  • Double aortic arch
  • Kommerell's diverticulum
  • Overriding aorta
  • Persistent:
    • convolutions, aortic arch
    • right aortic arch
  • Vascular ring
ICD-9-CM Volume 2 Index entries containing back-references to 747.21:
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 747.21 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2006 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.