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The name "Health Level-7" is a reference to the seventh layer of the ISO OSI Reference model also known as the application layer. The name indicates that HL7 focuses on application layer protocols for the health care domain, independent of lower layers. HL7 effectively considers all lower layers merely as tools. [7]
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]
The documents published use the HL7 version 3 Structured Product Labeling (SPL) standard, [1] which is an XML format that combines the human readable text of the product label with structured data elements that describe the composition, form, packaging, and other properties of the drug products in detail according to the HL7 Reference ...
Health information management's standards history is dated back to the introduction of the American Health Information Management Association, founded in 1928 "when the American College of Surgeons established the Association of Record Librarians of North America (ARLNA) to 'elevate the standards of clinical records in hospitals and other medical institutions.'" [3]
Documents containing Adobe extended features still carry the PDF base version number 1.7 but also contain an indication of which extension was followed during document creation. [21] PDF documents conforming to ISO 32000-2 carry the PDF version number 2.0, and are known to developers as "PDF 2.0 documents".
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Product management is the business process of planning, developing, launching, and managing a product or service. It includes the entire lifecycle of a product, from ideation to development to go to market .
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