CDA STU Update Publication of HL7 CDA R2 Implementation Guide: Personal Advance Care Plan (PACP), Edition 1 STU 3.1 – US Realm November 8, 2023November 8, 2023 Lynn Laakso STU Update, US Realm Learn more at https://www.hl7.org/implement/standards/product_brief.cfm?product_id=434