Contact the HoSt/VDSCP Program

Please note that CDC cannot respond to questions about individual medical cases, provide second opinions, or make specific recommendations regarding therapy. Those issues should be addressed directly with your health care provider.



CDC Health Line
1-800-CDC-INFO (1-800-232-4636)


Hormone and Vitamin D Standardization Programs
CDC – Division of Laboratory Sciences
4770 Buford Highway, NE
Atlanta, GA 30341-3724