# Difference between revisions of "Category:Value Set"

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− | {{definition|A value set | + | {{definition|A value set is the set of values that is valid for use in a specific context, e.g. to define the domain of a data element. Value sets may be defined extensionally by listing the valid values explicitly, or intensionally by providing a definition by which valid values can be identified. |

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{{Reference_Definition| A value set represents a uniquely identifiable set of valid concept representations (e.g., terms, codes), where any concept representation can be tested to determine whether or not it is a member of the value set. Value set complexity may range from a simple flat list of concept codes drawn from a single code system, to an unbounded hierarchical set of possibly post-coordinated expressions drawn from multiple code systems. | HL7 SAIF-IF }} | {{Reference_Definition| A value set represents a uniquely identifiable set of valid concept representations (e.g., terms, codes), where any concept representation can be tested to determine whether or not it is a member of the value set. Value set complexity may range from a simple flat list of concept codes drawn from a single code system, to an unbounded hierarchical set of possibly post-coordinated expressions drawn from multiple code systems. | HL7 SAIF-IF }} |

## Revision as of 15:39, 1 May 2012

**Definition: **A value set is the set of values that is valid for use in a specific context, e.g. to define the domain of a data element. Value sets may be defined extensionally by listing the valid values explicitly, or intensionally by providing a definition by which valid values can be identified.

**Reference Definition:** A value set represents a uniquely identifiable set of valid concept representations (e.g., terms, codes), where any concept representation can be tested to determine whether or not it is a member of the value set. Value set complexity may range from a simple flat list of concept codes drawn from a single code system, to an unbounded hierarchical set of possibly post-coordinated expressions drawn from multiple code systems. (**HL7 SAIF-IF)**
**See also:** Reference Set
**Component of:** Terminology
**Component of:** Terminology Binding

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