§ 170.205(a)(3) HL7 Implementation Guide for CDA® Release 2: IHE Health Story Consolidation, DSTU Release 1.1 (US Realm) Draft Standard for Trial Use July 2012
§ 170.205(a)(4) HL7® Implementation Guide for CDA® Release 2: C-CDA Templates for Clinical Notes (US Realm), Draft Standard for Trial Use, Volume 1 - Introductory Material, Release 2.1, August 2015, June 2019 (with Errata)
§ 170.205(a)(4) HL7® Implementation Guide for CDA® Release 2: C-CDA Templates for Clinical Notes (US Realm), Draft Standard for Trial Use, Volume 2 - Templates and Supporting Material, Release 2.1, August 2015, June 2019 (with Errata)
§ 170.205(a)(6) HL7® CDA® R2 Implementation Guide: C-CDA Templates for Clinical Notes R2.1 Companion Guide, Release 4.1 - US Realm, June 2023
§ 170.213 United States Core Data for Interoperability (USCDI), Version 3.1, June 2025
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