Welcome to the Defense Medical Information System (DMIS) Identifier (ID) Web site. This site is a service of the Department of Defense (DoD) TRICARE Management Activity (TMA) Office of Defense Health Cost Assessment and Program Evaluation (DHCAPE).

• DMIS IDs are recognized within the DoD as the controlling standard for both medical and military facility identification and cost/workload classification.
• DMIS IDs are used throughout the Military Health System (MHS) and worldwide in both healthcare and non-healthcare systems.
• To add a new DMIS ID or request a change to an existing one, send an email to the address shown on the Contact page. The DMIS ID Helpdesk will put you in touch with the appropriate POC for your request.

• TMA publishes DMIS ID Tables monthly for the MHS.
• This site provides the latest version of the DMIS ID Table for viewing, printing, or downloading, along with a change report.
• DMIS ID Tables are released one month in advance. For example, the DMIS ID Table for July will be published June 1 and available on this site July 1.
• Historical DMIS ID Tables are available on the Download page of this Web site. This includes DMIS ID Tables for the current fiscal year and Fiscal Year-End Tables back to 1989.

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