Access extensions for Standards and initiatives.


An extension is a component data element that is added to an existing data structure to expand the type or quantity of information that can be conveyed within the existing data model.

Extensions Defined by DirectTrust

Used By Resource/Profile Extension Name Description
Endpoint HispID DirectTrust extension on Endpoint to hold a code for the HISP. The code is constrained to codes that are included in the DirectTrust hispIdVS value set.

About Standards

Participate in Standards