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An official website of the United States government

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Where do we find what attributes exist for a particular element like “Encounter, Performed”?

The QDM specifications provide tables for each datatype available for use. For more information, visit the About tab of the QDM page to retrieve the correct version of the specification. The eCQM Data Element Repository (DERep) provides the pertinent attributes for datatypes and the eCQMs that use them.