51Dandy-Walker Syndrome
52Ddx3x Syndrome (Genetic Disorder)
53De Lange Syndrome (DLS) (狄蘭氏症)
54DiGeorge Syndrome (DGS) (迪喬治症)
55DNM1-L Syndrome (Genetic Disorder)
56Dravet Syndrome (DS) (卓飛症)
57Duchenne Muscular Dystrophy (DMD) (杜興氏肌肉營養不良症)
58DYRK1A Syndrome (Genetic Disorder)