Contact Us

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)


National Biomonitoring Program
Division of Laboratory Sciences
Mail Stop F-20
4770 Buford Highway, NE
Atlanta, GA 30341-3724

Page last reviewed: April 7, 2017