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Product CDA

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Clinical Document Architecture (CDA)

Product Brief - Clinical Document Architecture (CDA)

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Product Name

Clinical Document Architecture (CDA)


Standard Category

Health Information Exchange Standards

Integration Paradigm



Normative, ANSI Standard


  • CDA R1: ANSI/HL7 CDA, R1-2000
  • CDA R2: ANSI/HL7 CDA, R2-2005
  • ISO/HL7 27932:2008; HL7 Clinical Document Architecture, Release 2; 4/21/2005
  • CDA R3: in-progress see Project # 477

CDA R2 Implementation Guides and Common Clinical Document Implementation Guides

A growing number of implementation guides have passed the HL7 balloting process and were approved in Draft Standard for Trial Use (DSTU) status. They include:

Another type of HL7 balloting process was used for the Informative Document release of


The HL7 Clinical Document Architecture (CDA) is a document markup standard that specifies the structure and semantics of "clinical documents" for the purpose of exchange between healthcare providers and patients.


See the article at
See also the CDA Standard page at the web site.

Business Case (Intended Use, Customers)

  • Healthcare Providers,
  • Healthcare IT Vendors,
  • EHR Systems,
  • PHR Systems,
  • Departmental Systems
  • Dictation/transcription vendors;


  • CDA supports the exchange of clinical documents between those involved in the care of a patient. In addition CDA support the re-use of clinical data for public health reporting, quality monitoring, patient safety and clinical trials.
  • Stewardship,
  • Potential for authentication,
  • Context
  • and Wholeness

Implementations/ Case Studies (Actual Users)


  • Link to FAQ
  • members-only database for entering and tracking suggestions and corrections to the CDA standard here

Work Groups


  • See more at
  • Clinical Document Architecture (CDA) Introductory Tutorial
  • Clinical Document Architecture (CDA) Advanced Tutorial
  • Continuity of Care Document (CCD) Tutorial
  • CDA Certification Test Preparation
Certification Available
  • CDA Certified Specialist


Quick Start Guide

From HIMSS 2009

Relationship to/ Dependencies on, other standards

  • RIM,
  • Vocabulary,
  • Datatypes,

Links to current projects in development

  • CDA R3: in-progress see Project # 477
  • There are more CDA, Release 2 Implementation Guides are currently in the

balloting process. They include the Plan-to-plan Personal Health Record (PHR) Data Transfer, Release 1 (Project # 208).