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What
Does the Name HL7 Mean?
"Level Seven" refers to the highest level
of the International Standards Organization's (ISO) communications
model for Open Systems Interconnection (OSI) - the application level.
The application level addresses definition of the data to be exchanged,
the timing of the interchange, and the communication of certain errors
to the application. The seventh level supports such functions as security
checks, participant identification, availability checks, exchange
mechanism negotiations and, most importantly, data exchange structuring.
Why
HL7
There
are several health care standards development efforts currently
underway throughout the world. Why then, embrace HL7? HL7 is singular
as it focuses on the interface requirements of the entire health
care organization, while most other efforts focus on the requirements
of a particular department. Moreover, on an ongoing basis, HL7 develops
a set of protocols on the fastest possible track that is both responsive
and responsible to its members. The group addresses the unique requirements
of already installed hospital and departmental systems, some of
which use mature technologies.
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| While
HL7 focuses on addressing immediate needs, the group continues to
dedicate its efforts to ensuring concurrence with other United States
and International standards development activities. Argentina, Australia,
Canada, China, Czech Republic, Finland, Germany, India, Japan, Korea,
Lithuania, The Netherlands, New Zealand, Southern Africa, Switzerland,
Taiwan, Turkey and the United Kingdom are part of HL7 initiatives.
Moreover, HL7 is an American National Standards Institute (ANSI)
approved Standards Developing Organization (SDO). HL7 strives to
identify and support the diverse requirements of each of its membership
constituencies: Users, Vendors, and Consultants. Cognizant of their
needs, requirements, priorities and interests, HL7 supports all
groups as they make important contributions to the quality of the
organization. The committee structure, balanced balloting procedures
and open membership policies ensure that all requirements are addressed
uniformly and equitably with quality and consistency.
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