CDA STU Publication of HL7 CDA® R2 Implementation Guide: ePOLST: Portable Medical Orders About Resuscitation and Initial Treatment, Release 1 – US Realm September 30, 2022October 3, 2022 Lynn Laakso STU, US Realm Learn more at https://www.hl7.org/implement/standards/product_brief.cfm?product_id=600