The Sickle Cell Disease Association of America, Philadelphia / Delaware Valley Chapter (SCDAA/PDVC) is a non-profit psychosocial, social service and advocacy agency established in 1982. SCDAA/PDVC provides resources and assistance to children, adolescents, and families affected by sickle cell disease and sickle cell trait in Philadelphia and the counties of Berks, Bucks, Carbon, Chester, Delaware, Lackawanna, Lancaster, Lehigh, Luzerne, Monroe, Montgomery, Northampton, Pike, Schuylkill, Susquehanna, Wayne and Wyoming.

The mission of SCDAA/PDVC is to serve as a vehicle and resource center for the psychosocial and social service needs of children, adolescents, adults and families affected by sickle cell disease. SCDAA/PDVC seeks to develop, manage and allocate resources in partnership with hospitals, charitable organizations community based organizations and social service agencies.