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Gloss
tSNOMED

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Clinical

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Terms
(

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Gloss
tSNOMED

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CT
) is widely recognized as the leading global clinical terminology for use in

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Gloss
telectronic

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health

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records
. It is maintained and developed by an International body (the

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Gloss

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tSNOMED International
) which has a growing community of Members and Affiliates. It is available free for use in

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Gloss
tMember
countries and can also be used in other countries based on openly published licensing terms that are designed to be affordable.

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Gloss

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tSNOMED International
policies allow for the open involvement of its Members and

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Gloss
tAffiliate

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Licensees
in the development of content and the design of future enhancements.

The features of

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Gloss
tSNOMED

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CT
include:

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    A broad scope that covers most of the clinical glossary-ref
    Gloss
    tconcepts
    used in patient centered clinical records;
  • Ability to express different levels of clinical detail in patient record entries by using glossary-ref
    Gloss
    texpressions
    containing one or more glossary-ref
    Gloss
    tconcept
    identifiers
    ; glossary-ref
  • Gloss
    tRelationships
    between glossary-ref
    Gloss
    tconcepts
    that enable consistent retrieval of a common form of clinical information for many different purposes;
  • Extensible design allowing graceful, evolutionary enhancement and addition of national, local or specialty content within a coherent standard structure;
  • A glossary-ref
    Gloss
    treference
    set
    mechanism to support representation of glossary-ref
    Gloss
    tlanguage
    / glossary-ref
    Gloss
    tdialect
    variants, glossary-ref
    Gloss
    tvalue
    sets
    , alternative hierarchies and mapping to classifications; glossary-ref
  • Gloss
    tComponent
    permanence with history tracking;
  • Good compliance with the essential features for future clinical terminologies as identified by JJ Cimino in his peer acclaimed 1998 paper .

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Gloss
tSNOMED

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CT
is designed to enable effective representation of clinical information in

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Gloss
telectronic

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health

...

records
. While there are other potential uses for

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Gloss
tSNOMED

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CT
, the potential benefits are greatest where it is implemented as a part of a

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Gloss
tClinical

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Information

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System
centered on the delivery of health care services to individuals and populations.

The benefits actually realized by implementation depend on the technical design of applications and the way they integrate

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Gloss
tSNOMED

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CT
with other essential elements. These technical issues are addressed in this guide. Another critical success factor is a process for managing implementation across an organization, region or country. Although the guide does not address broader issues of operational implementation within an organisation, it does provide a key source of reference for those specifying the practical details of a plan for large scale implementation of

...

Gloss
tSNOMED

...

CT
.

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Benefits for electronic health records

Implementation of

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Gloss
tSNOMED

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CT
, as part of a well-designed

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Gloss
tClinical

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Information

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System
, is the key to unlock many of the potential benefits of

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Gloss
telectronic

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health

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records
.

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Gloss
tSNOMED

...

CT
enables consistent representation of clinical information within

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Gloss
telectronic

...

health

...

records
. Its content and design allow most types of clinical information to be represented at levels of detail appropriate to a wide range of different use cases. The hierarchical and defining

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Gloss
trelationships
of

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Gloss
tSNOMED

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CT
facilitate effective meaning-based retrieval and reuse of this information. By using these

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Gloss
trelationships
, a

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Gloss
tSNOMED

...

CT

...

enabled

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application
can
Specref
RefTypefield
tquery

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Gloss
telectronic

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health

...

records
to extract, analyze and aggregate relevant data recorded in different settings and at different levels of detail.

Many of the benefits of

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Gloss
telectronic

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health

...

records
require an effective retrieval and reuse of clinical information. These include:

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Delivering these benefits depends on consistent representation of the various types of information that are represented in a health record. It must be possible to represent this information at different levels of detail and it must be possible to

Specref
RefTypefield
tquery
this information from various perspectives and at different levels of detail. To meet these requirements

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Gloss
telectronic

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health

...

records
need a well-maintained terminology that meets the criteria specified in Desiderata for Controlled Medical Vocabularies in the Twenty-First Century( Cimino JJ in Methods Inf Med. 1998 Nov;37(4-5):394-403).

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Gloss
tSNOMED

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CT
addresses these requirements and additional practical requirements for an implementable, globally applicable but locally extensible, multilingual solution.

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Benefits for knowledge representation

Implementation of

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Gloss
tSNOMED

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CT
within a knowledge resource, such as an electronic reference book, clinical guideline, decision support protocol, facilitates effective access from, or integration with,

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Gloss
tClinical

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Information

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Systems
.

The use of

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Gloss
tSNOMED

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CT
in

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Gloss
telectronic

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health

...

records
enables consistent processable representation of clinical information. Potential uses of this information include linkage to knowledge sources to assist its understanding and interpretation.

Developers of decision support protocols, care pathways or data analysis packages can benefit by using

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Gloss
tSNOMED

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CT
to represent requirements for clinical information collection and processing. This allows direct translation of the protocol into queries that can be applied directly to a

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Gloss
tSNOMED

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CT
enabled

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Gloss
telectronic

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health

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record
.

Publishers of knowledge based resources can benefit by tagging their information using

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Gloss
tSNOMED

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CT
. These tags can be used to index information by

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Gloss
tconcept
rather than by keywords. As a result, relevant information can be identified by users during interaction with an

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Gloss
telectronic

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health

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record
. For example, when selecting a particular item during data entry or review potentially relevant articles can be listed and/or displayed.

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Gloss
tSNOMED

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CT
also offers benefits during the development of knowledge resources. Tagging information using

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Gloss
tSNOMED

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CT
while authoring knowledge artifacts may identify potential ambiguities that would otherwise be overlooked.

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Benefits of an open global approach

Implementation of

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Gloss
tSNOMED

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CT
offers the benefit of a global approach to the requirements for clinical terminology.

Any country or large organization that is developing or deploying

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Gloss
telectronic

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health

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records
needs to consider the requirements for consistent representation of clinical information. One element of the solution is usually a coding scheme, controlled vocabulary or terminology. The breadth or scope and depth of detail in clinical records means that the set of codes or terms
Specref
RefTypefield
tterm
required is large and grows rapidly as additional disciplines and specialties become involved. Similarly the interdependency of terms
Specref
RefTypefield
tterm
used in different domains leads to a significant level of complexity.

Developing and maintaining a terminology that adequately addresses clinical requirements is a substantial task. A global approach has significant benefits by enabling economies of scale for National bodies and health care service providers.

A global approach also encourages common solutions to some of the challenges posed by requirements for consistent representation of complex information. The resulting reduction in divergence provides a more secure foundation for implementers who wish to deploy their applications in many countries.

Implementing a global clinical terminology also enables applications to be deployed in other countries without needing to switch between terminologies. It also allows use of other standards and materials that incorporate or are designed for use with that terminology. The ability to integrate components and standards based on a common terminology is a major advance over solutions that depend on a local or proprietary code system.

A global clinical terminology also provides a foundation for communication and sharing of information. The information communicated may include clinical records used to support delivery of health care to a mobile population. It may also include aggregations of records used for epidemiology and multi - center research.

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Benefits of extensibility and configurability

Implementation of

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Gloss
tSNOMED

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CT
allows common approaches to be applied to extend and configure the terminology for use in a particular environment.

Most clinical

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Gloss
tconcepts
are relevant in all countries, organizations and specialties but some

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Gloss
tconcepts
are relevant only to a particular environment.

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Gloss
tSNOMED

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CT
allows national, local or organizational requirements to be addressed by separately maintained

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Gloss
tSNOMED

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CT

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Extensions
.

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Gloss
tSNOMED

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CT

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enabled

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implementations
can benefit from the content in these

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Gloss
tExtensions
without the need for any additional software development because

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Gloss
tExtensions
have exactly the same structure as the

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Gloss
tInternational

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Release
.

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Gloss
tSNOMED

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CT
covers a broad domain to depth of detail appropriate to a range of health care disciplines and clinical specialties. As a result, it has an extensive content, different parts of which are needed in particular environments. The

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Gloss
tSNOMED

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CT
design includes the

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Gloss
tReference

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Set
mechanism which provides a standard way to refer to a set of

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Gloss
tSNOMED

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CT

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components
.

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Gloss
tReference

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Sets
can be used to configure different views of

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Gloss
tSNOMED

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CT
by constraining searches or representing short lists of terms for a data entry field. They can also be used to meet other requirements including checking that a

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Gloss
tconcept
id falls within a permitted set of values for a field in a data structure or message (e.g. to represent an

Glossary ref
HL7

...

Gloss
Spacetrue
tHL7
Gloss
tvalue set
).

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    Organizations implementing glossary-ref
    Gloss
    tSNOMED
    CT
    benefit from glossary-ref
    Gloss
    tReference
    Sets
    because they allow requirements for use of particular terms and glossary-ref
    Gloss
    tconcepts
    to be represented in a form that can be applied to any glossary-ref
    Gloss
    tSNOMED
    CT
    enabled
    application
    . This allows glossary-ref
    Gloss
    tReference
    Sets
    to be shared throughout and between organizations , even when different software is used to meet local or departmental requirements.
  • Software developers and vendors benefit because glossary-ref
    Gloss
    tReference
    Sets
    provide a common, machine processable representation of requirements for different patterns of use of glossary-ref
    Gloss
    tSNOMED
    CT
    . This simplifies local configuration and enhances interoperability with other glossary-ref
    Gloss
    tSNOMED
    CT
    enabled
    applications
    .