What is the Undiagnosed Diseases Network?

The Undiagnosed Diseases Network (UDN) is an initiative to facilitate the diagnosis of conditions that have eluded diagnosis through the coordinated action of leading clinical and research centers.

We hope to solve medical mysteries through our national network and team science.


Your Stay at UCLA

UCLA Tiverton House

UCLA Tiverton House is a 100-room hotel designed to meet the needs of Ronald Reagan UCLA Medical Center patients and their families, and is only a short walk from the...

Learn more about UCLA Tiverton House


The UCLA Clinical and Translation Research Center (CTSI) specializes in using the latest knowledge and research to help create better health care and disease prevention. Patients accepted in the Undiagnosed...

Learn more about UCLA CTSI