Summative Diagnosis
Cardiovascular defects: Perimembranous and muscular ventricular septal defects (VSD), aortic valve atresia, aortic arch anomalies including right aortic arch (RAA), hypoplastic aortic arch, and double aortic arch.
Non-cardiovascular defects: Duplex kidney with hydronephrosis, kidney cysts.
Fyler Codes
The Fyler code developed by The Boston Children's Heart Foundation in Boston Children's Hospital provides a hierarchical clinical diagnosis of congenital cardiovascular defects and other disorders. These codes are used to delineate pathology in the mutant mouse models that parallel human disease and can be cross referenced to the International Pediatric and Congenital Cardiac Code (IPCCC) (http://www.ipccc.net/).

Fyler Code ID	Code Description
0320	Aortic atresia
1310	Ventricular septal defect, membranous
1320	Ventricular septal defect, muscular
2704	Aortic arch hypoplasia
2720	Right aortic arch
2761	Double aortic arch
2780	Double aortic arch, balanced arches
3804	Congenital heart disease
4502	Hydronephrosis
4508	Polycystic kidney disease