STU Publication of HL7 FHIR® Implementation Guide: Data Exchange for Quality Measures STU3 for FHIR R4 – US Realm
Learn more at http://www.hl7.org/implement/standards/product_brief.cfm?product_id=520 or see the standard at
http://hl7.org/fhir/us/davinci-deqm/STU3