Contact Us

Client Services

Clinical Molecular Diagnostic Laboratory

City of Hope
1500 East Duarte Road
Northwest Building - Second Floor, Room 2236
Duarte, CA 91010
888-8 COH DNA (888-826-4362) option 1
fax: (626) 301-8142
e-mail: [email protected]
secure e-mail service:
secure e-mail help: 626-256-4673, ext: 64357
To communicate sensitive information electronically, please use our secure email service. (For secure email help, please call 626-256-4673, extension: 64357)

  • To use the secure email service, please go to and register if you are a first time user or logon with your email address and password if you are a returning user.
  • To send us a secure email, click the "Compose" button, enter our email address ([email protected]) in the "TO:" box, enter your message, attach files, and click the "Send" button. You may attach files up to a maximum total size of 20 MB per email. When we send you a secure email, you will receive a notification in your regular email. The notification will provide a button or link for viewing the secure email.