Y
Yakut short stature syndrome
Y chromosomal anomaly
Y chromosome number anomaly
Y disomy
Yellow fever
Yellow Jack
Yellow nail syndrome
Yellow oculocutaneous albinism
Yemenite deaf-blind hypopigmentation syndrome
Yersiniosis
YF
YNS
Yolk sac tumor
Yolk sac tumor of central nervous system
Yolk sac tumor of CNS
YOPD
Yorifuji-Okuno syndrome
Yoshimura-Takeshita syndrome
You-Hoover-Fong syndrome
Young adult-onset dHMN
Young adult-onset distal hereditary motor neuropathy
Young-Hughes syndrome
Young-onset Parkinson disease
Young syndrome
Yuan-Harel-Lupski syndrome
Yunis-Varon syndrome
YY1 haploinsufficiency syndrome