The Health Level Seven Version 3 (V3) Normative Edition—a collection of specifications based on the HL7 Reference Information Model (RIM)—provides a single source for V3 specification implementers to work with the full set of communications, data types, and terminologies required to construct a complete implementation. The 2015 Normative Edition is the seventh publication of the entire V3 specification suite, which includes ANSI Approved Version 3 Standards, Normative Level Ballot Passed Standards Pending Final ANSI Approval, and Draft Standards for Trial Use (DSTU). It provides communication standards for documenting and managing patient care and treatment in a number of healthcare settings. As a result, it is a critical component of the technology required to address the global challenge of incorporating healthcare data in areas including patient care and public health.
The Normative Edition of Version 3 reflects a modern approach to clinical data exchange based on a model-driven methodology that generates messages and electronic documents in XML syntax. The storyboard descriptions, trigger events, interaction designs, domain object models derived from the RIM, hierarchical message descriptors (HMDs), and a prose description of each feature are all given in the V3 specification. The non-normative V3 Guide and normative specifications for data types, the XML technical specifications (ITS) or message wire format, message and control "wrappers," and transport protocols are also needed for implementation of these domains.
Members have online access to the most recent Normative Edition.
All Healthcare Industry Organizations and Companies in the United States and Around the World
Focuses on semantic interoperability by requiring that information be interpreted in its entirety in a clinical context, ensuring that the sending and receiving systems understand the significance (semantics) of the data being shared.
Designed for universal use so that the standards would have the widest possible global effect while also being adaptable to meet local and regional needs
As new criteria emerge and new areas of clinical endeavour are tackled, provides clear representation of data laterally across the different HL7 domains of interest and longitudinally over time.
Allows implementers to take advantage of the most up-to-date and successful deployment technology at any time.
Consistent implementation and the ability to store and manipulate requirements in robust data archives rather than word-processing documents are ensured.
In approximately 2 million V3 transactions a day, the NHS (UK National Health Service) uses requirements based on the HL7 V3 Reference Information Model, data forms, and methodology.
The Netherlands: V3 communications, which concentrate on drug information and GP records, are at the heart of the Dutch national health infrastructure, as is the DBC Grouper, a central service that validates and assigns a price tag to all treatment activities conducted for a patient.
V3 is a key component of the EHR Architectural Blueprint, and is at the heart of jurisdictional EHR implementations in Canada; almost every jurisdiction has introduced V3 Pharmacy messages, and many have implemented V3 Lab messages. V3 referral messages have been created in Ontario. Chronic Disease Management V3 messages have been established in the Western Provinces, and many of them have been introduced. In many registry applications, client and provider registry messages have been created.
Other countries that have implemented it include Mexico, Germany, and Croatia.
History OF DEVELOPMENT
For HL7, Version 3 is a major departure from "business as normal." The V2.x series of messages are commonly used and very popular because they provide a lot of versatility and optionality. These messages have developed over many years using a "bottom-up" approach that has addressed individual needs through an implicit technique that relies on bi-lateral agreements between participating HIT system implementations in lieu of a pre-defined implementation guide. There is no unified view of the data that HL7 transports, nor of the data's relationship to other data. The performance of HL7 V2 can also be attributed to its adaptability. It has a lot of optional data elements and data segments, so it can be used on almost every website. Although its simplicity is appealing, its optionality makes it difficult to conduct reliable conformance testing, and it necessitates more time spent by implementers analysing and planning their interfaces to ensure that all parties are using the same optional features.
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