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Health Level Seven, abbreviated to HL7, is a range of global standards for the transfer of clinical and administrative health data between applications with the aim to improve patient outcomes and health system performance. The HL7 standards focus on the application layer, which is "layer 7" in the Open Systems Interconnection model.
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Health Level Seven International (HL7) is a non-profit ANSI-accredited standards development organization that develops standards that provide for global health data interoperability. The 2.x versions of the standards are the most commonly used in the world.
The HL7 Consolidated Clinical Document Architecture (C-CDA) is an XML-based markup standard which provides a library of CDA formatted documents. Clinical documents using the C-CDA standards are exchanged billions of times annually in the United States.
An XML element in a CDA supports unstructured text, as well as links to composite documents encoded in pdf, docx, or rtf, as well as image formats like jpg and png. [3] It was developed using the HL7 Development Framework (HDF) and it is based on the HL7 Reference Information Model (RIM) and the HL7 Version 3 Data Types. [citation needed]
FHIR builds on previous data format standards from HL7, like HL7 version 2.x and HL7 version 3.x. But it is easier to implement because it uses a modern web-based suite of API technology, including a HTTP -based RESTful protocol, and a choice of JSON , XML or RDF for data representation. [ 1 ]
Acting as forum for HL7 related standards development in NZ. Developing a repository of skills and knowledge. Having an educational role. Acting as a consultancy on use of HL7 standards. Developing compliance testing. Event management (organising technical meetings, teleconferences, annual meetings). Co-ordination of local involvement in ...
The HL7 Services-Aware Interoperability Framework Canonical Definition (SAIF-CD) [3] provides consistency between all artifacts, and enables a standardized approach to enterprise architecture (EA) development and implementation, and a way to measure the consistency.
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