PACIFIC NORTHWEST UNDIAGNOSED DISEASES NETWORK:
Email: udnpnw@medicine.washington.edu
​Phone: (206) 616-2774
Fax: (206) 543-8820
​

​UDN HELPDESK:
Email: UDN@hms.harvard.edu
Phone: 1-844-746-4836 (1-844-Ring-UDN)
Hours: Monday through Friday, 6 a.m. 2 p.m. PST