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Why and where CDA

Why and where CDA. François Macary, Christel Daniel. What is CDA?. Clinical Document Architecture (CDA) is an XML-based markup standard intended to specify the encoding, structure and semantics of clinical documents for exchange and sharing.

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Why and where CDA

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  1. Why and where CDA François Macary, Christel Daniel

  2. What is CDA? • Clinical Document Architecture (CDA) is an XML-based markup standard intended to specify the encoding, structure and semantics of clinical documents for exchange and sharing. • CDA is part of HL7 V3. As such, it relies on the HL7 Reference Information Model and the HL7 V3 data type. • It enables to represent any static clinical content in a format, which is both human-readable and system-processable. • A single xml schema validates any kind of CDA document

  3. Why CDA? • Messages are appropriate artifacts to support exchange of clinical information during the production of care. • The output of the process of care is better captured in static documents, persistently accountable to their authors and understandable per se to care providers. • The document sharing paradigm is the best fit to enable patient care coordination and care continuity among care providers and their systems, which are not coupled to one another. • IHE provides a set of infrastructure profiles around XDS, to support this document sharing paradigm. The shared content is most often CDA documents.

  4. Validation & Conformance • A single xml schema CDA.xsd is used to validate any instance of CDA document. • A template of a CDA document is a set of constraints applied to the general standard. It is both a specification and a schematron, which tests the conformity of document instances to that template.

  5. CDA content profiles in IHE domains

  6. Testing of content profiles at Connectathons 2011

  7. Adoption of CDA A number of countries have adopted CDA R2 globally: • Finland was the first broad adopter • Austria: ELGA project • France: CDA is mandated for patient care coordination. XD-LAB has been chosen for lab reports. APSR is required for cancer case AP reports. However, lab system vendors are not ready yet. • US: in “meaningful use” ? In other countries, adoption is made at the regional level • Italy Veneto • US Regional Health Information Organizations (RHIOs), • Spain Catalogna …

  8. Thank You

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