203Waardenburg Syndrome (WS) (瓦登伯革氏症侯群)
204Walker-Warburg Syndrome (WWS) (Walker-Warburg綜合症)
205WDR45 (Genetic Disorder)
206Wells Syndrome (韋爾斯綜合症)
207West Syndrome-Infantile Spasms (韋氏症-嬰兒痙攣症)
208Williams Syndrome (WS) (威廉氏症候群)
209Wilson's Disease (WD) (威爾森氏症)
210Wolf-Hirschhorn Syndrome (WHS) (沃夫-賀許宏氏症候群)
211Wolfram Syndrome (Wolfram症候群)
212Worster-Drought Syndrome (WDS)
213WWOX Syndrome (Genetic Disorder)