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Articles pertaining to the HL7 Clinical Architecture Document (CDA) standard, the C-CDA (Consolidated CDA) standard, and the Meaningful Use Stage 2 (MU2) requirements of the US Government's EHR Incentive Programs.
  • The Basics (15)
    Articles with common questions and answers that are intended for those first getting acquainted with the HL7 CDA and C-CDA standards, and their role in Meaningful Use Stage Two (MU2).
  • MU2 C-CDA Certification (21)
    Articles with specific issues relevant to those pursuing MU2 certification related to C-CDA documents.
  • XML Syntax Concepts (129)
    Articles covering the overall structure and XML syntax of CDA and C-CDA documents.
    • Encounters & Participants (16)
      Articles related to encounters, participants, and service events - with emphasis on the role these play in the CDA header, in C-CDA templates, and in MU2.
    • Section Narrative Text (6)
      Articles relating to the section narrative next that is required to be part of every CDA section and reflect (at a minimum) all of the contents of the structured entries within that section.
    • Mixed Content & Whitespace (6)
      Articles relates to the handling of XML "mixed content" (elements with a mixture of sub-element and character data) and "whitespace" (spaces, tabs, line-breaks, etc.) - especially the combination of "whitespace in mixed content" - in CDA documents.
    • Concern Acts (4)
      Articles relating to the two C-CDA "concern act" templates (Problem Concern Act and Allergy Concern Act).
    • Names & Addresses (7)
      Articles relating to the representation of demographic information such as a person's name, address, phone number, etc. in CDA documents.
    • Quantities (3)
      Articles related to the representation of physical quantities in CDA documents.
    • Overall XML Syntax (12)
      Articles covering general XML syntax topics that apply broadly to different parts of CDA and C-CDA documents
    • Dates, Times, & Schedules (19)
      Articles covering topics related to the syntax of date, time, and scheduling representations in CDA and C-CDA documents.
    • Identifiers (8)
      Articles related to the use of identifiers in CDA and C-CDA documents.
    • Codes (9)
      Articles relating to codes, code systems, and encoded representation of concepts in CDA and C-CDA documents.
    • Entities & Roles (20)
      Articles pertaining to entities (people, places, things) and their "roles", as represented in CDA and C-CDA documents.
    • Clinical Act Statements (24)
      Articles related to the representation of clinical "act" statements that are the "heart" of the entries that comprise the CDA (or C-CDA) structured body.
    • No, No Known, & No Info (18)
      Articles pertaining to representation of negated clinical statements) things that didn't happen or conditions that don't exist), missing information, things "not known" to exist, etc. in CDA and C-CDA documents.
  • C-CDA Templates (12)
    Articles that overview the syntax and usage of individual C-CDA templates.
  • Elements & Attributes (69)
    Articles that overview the syntax and usage of individual elements and attributes in CDA or C-CDA documents.
    • Elements (55)
      Articles that overview the use of individual XML elements that are part of a CDA or C-CDA document.
    • Attributes (13)
      Articles that overview the use of individual XML attributes that are part of a CDA or C-CDA document.
  • Resources & Organizations (14)
    Articles with links and summaries of helpful resources (outside of CDA PRO) related to CDA, C-CDA, and MU2 - and the organizations responsible for them.


Articles pertaining to the CDA PRO Web Site and its features.