| ACMG | American College of Medical Genetics and Genomics |
| AD | Autosomal dominant |
| AR | Autosomal recessive |
| ASD | Atrial septal defect |
| CO | Cryptorchidism |
| CFD | Craniofacial dysmorphism |
| DSPc | Dual-Specificity Phosphatase, catalytic domain |
| FH | Familial hypercholesterolemia |
| GDP | Guanosine diphosphate |
| GTP | Guanosine triphosphate |
| HCM | Hypertrophic cardiomyopathy |
| HGMD | Human Gene Mutation Database |
| HGVS | Human Genome Variation Society |
| ID | Intellectual disability |
| LVNC | Left ventricular non-compaction cardiomyopathy |
| MAPK | Mitogen-activated protein kinase pathway |
| NGS | Next-generation sequencing |
| NS | Noonan syndrome |
| NSML | Noonan syndrome with multiple lentigines, formerly known as LEOPARD syndrome |
| OMIM | Online Mendelian Inheritance in Man |
| OS | Ostium secundum |
| PCR-RFLP | Polymerase Chain Reaction–Restriction Fragment Length Polymorphism |
| PDA | Patent ductus arteriosus |
| PH | Pulmonary hypertension |
| PTPN11 | Protein Tyrosine Phosphatase, Non-Receptor Type 11 |
| PVS | Pulmonary valve stenosis |
| RAS/MAPK | Rat Sarcoma-/Mitogen-Activated Protein Kinase |
| RBBB | Right bundle branch block |
| STJ | Sinotubular junction |
| VUS | Variant of uncertain significance |