| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Endocardial cushion defects, unspecified | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 1 | 
| Other specified endocardial cushion defects | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 2 | 
| Endocardial cushion defects NOS | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 1 | 
| Congenital tricuspid atresia or stenosis NOS | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 3 | 
| Congenital mitral stenosis, unspecified | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 2 | 
| Congenital mitral stenosis NOS | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 2 | 
| [X]Other congenital malformations of tricuspid valve | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 2 | 
| [X]Congenital malformation of tricuspid valve, unspecified | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 2 | 
| Common atrioventricular valve in functionally univentricular heart | Finding site | True | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 1 | 
| Congenital anomaly of left-sided atrioventricular valve in double inlet ventricle | Finding site | True | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 1 | 
| Atypical right ventricular component of common atrioventricular valve | Finding site | True | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 1 | 
| Acquired abnormality of atrioventricular (not morphologically mitral or tricuspid) following repair of atrioventricular septal defect | Finding site | True | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 1 | 
| Common (non-mitral, non-tricuspid) atrioventricular valve structure | Is a | True | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some |  | 
| Left (non-mitral) atrioventricular valve structure | Is a | True | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some |  | 
| Right (non-tricuspid) atrioventricular valve structure | Is a | True | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some |  | 
| Balloon dilatation of implanted atrioventricular valve | Procedure site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 2 | 
| Inspection of implanted atrioventricular valve | Procedure site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 2 | 
| Repair of Ebstein's anomaly of atrioventricular valve | Procedure site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 1 | 
| Homograft atrioventricular valve replacement | Procedure site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 1 | 
| Xenograft atrioventricular valve replacement | Procedure site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 1 | 
| Mechanical prosthetic atrioventricular valve replacement | Procedure site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 1 | 
| Replacement of implanted atrioventricular valve | Procedure site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 1 | 
| Biological atrioventricular valve replacement | Procedure site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 1 | 
| Ball valve atrioventricular valve replacement | Procedure site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 1 | 
| Disc valve atrioventricular valve replacement | Procedure site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 1 | 
| Single leaflet atrioventricular valve replacement | Procedure site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 1 | 
| Bileaflet atrioventricular valve replacement | Procedure site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 1 | 
| Abnormality of common atrioventricular valve chordae tendinae | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 1 | 
| Common atrioventricular valve chordae too short | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 3 | 
| Common atrioventricular valve chordae too long | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 1 | 
| Common atrioventricular valve chordae to outlet septum | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 3 | 
| Arcade abnormality of common atrioventricular valve chordae | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 3 | 
| Dilatation of right atrioventricular valve annulus | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 2 | 
| Ebstein's anomaly of right atrioventricular valve | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 1 | 
| Ebstein's anomaly of left atrioventricular valve | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 2 | 
| Congenital tricuspid atresia or stenosis NOS | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 2 | 
| Congenital mitral stenosis, unspecified | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 4 | 
| Congenital mitral stenosis NOS | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 3 | 
| [X]Other congenital malformations of tricuspid valve | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 3 | 
| [X]Congenital malformation of tricuspid valve, unspecified | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 2 | 
| Ebstein's anomaly of tricuspid valve | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 4 | 
| Ebstein-like malformation of mitral valve | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 1 | 
| Inspection of atrioventricular valve | Procedure site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 3 | 
| Rotation of implanted atrioventricular valve | Procedure site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 1 | 
| Supramitral left atrial ring | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 4 | 
| Tricuspid leaflet dysplasia | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 3 | 
| Tricuspid annulus hypoplasia | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 3 | 
| Dilatation of tricuspid annulus | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 3 | 
| Overriding tricuspid valve | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 3 | 
| Straddling tricuspid valve | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 3 | 
| Tricuspid leaflet abnormality | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 6 | 
| Absent tricuspid leaflet | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 3 | 
| Double orifice of tricuspid valve | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 5 | 
| Tricuspid valve prolapse | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 3 | 
| Accessory tissue on tricuspid leaflet | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 5 | 
| Parachute malformation of tricuspid valve | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 3 | 
| Mitral valve dysplasia | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 3 | 
| Mitral leaflet dysplasia | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 3 | 
| Overriding mitral valve | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 3 | 
| Dilatation of mitral annulus | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 3 | 
| Straddling mitral valve | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 3 | 
| Ebstein-like downward displacement of mitral valve | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 1 | 
| Anterior leaflet of mitral valve attached to septum | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 3 | 
| Accessory tissue on mitral leaflet | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 3 | 
| Mitral papillary muscle abnormality | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 4 | 
| Absent mitral papillary muscle | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 3 | 
| Fused mitral papillary muscles | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 2 | 
| Hypoplastic mitral papillary muscle | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 2 | 
| Abnormality of atrioventricular (non-mitral, non-tricuspid) valve | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 5 | 
| Transient tricuspid regurgitation of newborn | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 2 | 
| Transient mitral regurgitation of newborn | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 1 | 
| Ebstein's anomaly with atrial septal defect | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 3 | 
| Supernumerary cusps of mitral valve | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 3 | 
| Congenital atresia of mitral valve | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 2 | 
| Congenital insufficiency of mitral valve | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 1 | 
| Congenital stenosis of tricuspid valve | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 1 | 
| Lutembacher's anomaly | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 6 | 
| Congenital supravalvular mitral stenosis | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 4 | 
| Congenital hypoplasia of tricuspid valve | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 3 | 
| Congenital anomaly of tricuspid valve | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 2 | 
| Cleft leaflet of tricuspid valve | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 4 | 
| Congenital atresia of tricuspid valve | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 3 | 
| Congenital anomaly of mitral valve | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 2 | 
| Double mitral valve | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 2 | 
| Cleft leaflet of mitral valve | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 3 | 
| Congenital stenosis of mitral valve | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 3 | 
| Congenital insufficiency of tricuspid valve | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 2 | 
| Fused commissures of mitral valve | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 3 | 
| Congenital abnormal shape of mitral valve | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 1 | 
| Congenital abnormal shape of tricuspid valve | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 2 | 
| Congenital absence of mitral valve | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 3 | 
| Congenital absence of tricuspid valve | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 1 | 
| Congenital hypertrophy of tricuspid valve | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 3 | 
| Congenital hypertrophy of mitral valve | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 3 | 
| Congenital hypoplasia of mitral valve | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 1 | 
| Myxoid transformation of tricuspid valve | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 1 | 
| Congenital tricuspid atresia and stenosis | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 3 | 
| Tricuspid atresia | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 2 | 
| Supernumerary cusps of the mitral valve | Finding site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 1 | 
| Balloon dilatation of implanted atrioventricular valve | Procedure site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 4 | 
| Inspection of implanted atrioventricular valve | Procedure site | False | Atrioventricular (non-mitral, non-tricuspid) valve structure | Inferred relationship | Some | 4 |