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Since 1987 the standard has been updated regularly, resulting in more than ten iterations. The v2.x standards are backward compatible, meaning a message based on version 2.3 will be understood by an application that supports version 2.6. HL7 v2.x messages use a non-XML encoding syntax based on segments and one-character delimiters. [5]
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.
However, IEEE 11073 SDC does not compete with established and emerging standards like HL7 v2 or HL7 FHIR. [4] IEEE 11073 SDC is part of the established ISO/IEEE 11073 family of standards. IEEE 11073 SDC is based on the paradigm of a service-oriented architecture (SOA). The IEEE 11073 SDC family of standards currently comprises three parts: Core ...
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.
These CEN ISO/IEEE 11073 standards have been developed in close coordination with other standards development organisations, including IEEE 802, IHTSDO, IrDA, HL7, DICOM, and CLSI. Memoranda of Understanding with IHE, IHTSDO, and HL7; and (through ISO) close liaison with Continua Health Alliance assist still wider integration.
In the section under "HL7 v2.x", there is a sentence stating:- Currently, the HL7 v2.x messaging standard is supported by every major medical information systems vendor in the United States. However after following the link provided, the source only indicates that HL7 is used by every major vendor, not that HL7 v2.x is used. This should be ...
The HL7 Clinical Document Architecture (CDA) is an XML-based markup standard intended to specify the encoding, structure and semantics of clinical documents for exchange. In November 2000, HL7 published Release 1.0. The organization published Release 2.0 with its "2005 Normative Edition". [1]
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.