TerminologyStrategy

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Rob - you need to fill this in - ask Wendy for instructions. One important aspect is to describe the binding syntax discussion currently happening in the Vocab WG, and describe how it applies to a template registry.

Binding syntax - from HL7 perspective - Core Principles and Properties of V3 Models. Please note this material is going under HL7 normative ballot and is only linked here as a reference guide for binding syntax.

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Terminology Templates

Code System and Value Set meta data is drawn from the Templates Registry Business Requirement & Templates DSTU 2007 with the exception of Concept Domain - this vocabulary binding methodology was introduced by MnM & Vocab work groups subsequent to the Templates DSTU publication

Code System Template

Element	Type	Conformance	Info	Searchable (Y/N)
Code	String	M	An expression in a syntax defined by the code system which describes the concept. Usually this would be a simple code, but post-coordinated expressions may also be used.	Y
Code System	String	M	The identity of the codeSystem that defines the syntax and concepts used in the code. This must be a UID, as defined in the rules for the CD.codeSystem property in the V3 abstract datatypes.	Y
Code System Version	String	O	If applicable, a version descriptor defined specifically for the given code system. For further information, consult the rules for the CD.codeSystemVersion property in the V3 abstract datatypes.	Y
OID	String	M	A globally unique string representing an ISO identifier for a code system.	Y

Value Set Template

Element	Type	Conformance	Documentation	Searchable (Y/N)
Value Set Name	String	M	Name of the Value Set	Y
Binding Strength	Boolean (CNE or CWE)	M	This is to indicate whether the value set can allow for local codes (CWE) or only the exact list of concepts in the value set (CNE).	N
Concept domain	String	O	Refer to the Concept Domain Template for Concept Domain meta data	Y
Binding Realm	String	O	If the value set is bound to a concept domain, what is the binding realm e.g. Universal, Example, or Representative. CD.codeSystemVersion property in the V3 abstract datatypes.	Y
OID	String	O	A globally unique string representing an ISO identifier for a value set.	Y
Description	String	O	Description of the value set	Y

Concept Domain Template

Element	Conformance	Info	Searchable (Y/N)
Concept Domain Name	M	Name of the Concept domain	Y
Concept domain Definition	M	Definition of the concept domain	Y
Binding Realm	M	Indicates the binding syntax depending which type of binding syntax is done - please refer to the Core Principles and Properties of Version 3 Models, section on Binding Vocabulary To Coded Model Elements.	Y

Other Data Model Elements

Element	Conformance	Info	Searchable (Y/N)
Purpose	M	Purpose of the registered artifact in human readable terms.	N
Identifier	M	Identifier of the artifact registered.	Y
Source	M	Organization which created the artifact.	Y
Status	M	Current status of the artifact registered	Y
Registered Date	M	The date the artifact was registered into the registry.	N
Effective Date	M	The date the artifact can be actively used and/or search.	N
Revision Date	M	The most recent date the artifact was revised.	N
Expiration Date	O	The as of date the artifact is no longer active.	N