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The CTS 2 specification uses term "Value Set" which is basically the LexEVS implementation of "Value Set Definition." Though CTS 2 implementation functions use term "Value Set" internally, the LexEVS Value Set Definition Services are used. CTS 2 specification contains several Value Set specific profiles. All of these functions can be called using CTS 2 interface. For more information refer to [LexEVS:LexEVS 6.0 Design Document - Solution Architecture].

The following are CTS 2 profiles specific to Value Sets.

h5. Administration profile

|| Capability || Description ||
| Import Value Set Version | Ability to import values sets |

h5. Query profile

|| Capability || Description ||
| List Value Sets | The ability to determine what value sets are available to a Terminology Service. This includes seeing a listing of the available value sets that match some search criteria, as well as the details pertaining to each value set available to the terminology service. |
| Return Value Set Details | The ability to retrieve a specific value set, with associated attributes and other metadata. |
| List Value Set Contents | The ability to see a listing of specific concepts, as well as the details pertaining to each concept in any of the given value sets available to a terminology service. |
| Check Concept Value Set Membership | The ability to validate that a given concept exists in a given value set. |
| Check Value Set Subsumption | Determine whether one of the two supplied value sets subsumes the other |

h5. Authoring profile

|| Capability || Description ||
| Create Value Set | The ability to create a dynamic value set that is defined by a computable expression that can be resolved to an exact list of coded concepts at any given point in time. |
| Maintain Value Set | Update properties or expression of a value set definition (extensional and intensional value sets). |
| Update Value Set Status | The ability to modify the status of a value set. |

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