Clinical Document Architecture (CDA®)

Release 2 Approved as an ANSI Standard April 2005.
Release 1 Approved as an ANSI Standard November 2000.

The CDA, which was until recently known as the Patient Record Architecture (PRA), provides an exchange model for clinical documents (such as discharge summaries and progress notes) and brings the healthcare industry closer to the realization of an electronic medical record.

By leveraging the use of XML, the HL7 Reference Information Model (RIM) and coded vocabularies, the CDA makes documents both machine-readable so they are easily parsed and processed electronically, and human-readable so they can be easily retrieved and used by the people who need them. CDA documents can be displayed using XML-aware Web browsers or wireless applications such as cell phones.

Additional Standards and Information

Additional standards, including reference materials, are available for download from the HL7 Standards area of the website.


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