Official websites use .mil
A .mil website belongs to an official U.S.
Department of Defense organization.
Secure .mil websites use HTTPS
A
lock (
) or https:// means you’ve safely connected to
the .mil website. Share sensitive information only on official,
secure websites.
The appearance of hyperlinks does not constitute endorsement by the Department of Defense of non-U.S. Government sites or the information, products, or services contained therein. Although the Defense Health Agency may or may not use these sites as additional distribution channels for Department of Defense information, it does not exercise editorial control over all of the information that you may find at these locations. Such links are provided consistent with the stated purpose of this website.
The MHS GENESIS Patient Portal now uses myAuth for secure sign-in. To update permissions, sign in or create an account at https://myauth.dmdc.mil/ and select Manage Relationships.
TRICARE Publications
View, print, or download TRICARE educational materials.
This fact sheet explains how you can enroll in or purchase a plan, how to make plan changes during TRICARE Open Season, and how certain life events may change your TRICARE health plan options.
Last Updated 9/30/2026
