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Enterprise Vocabulary Services is pleased to announce the public availability of LexEVS 6.5.1.

LexEVS 6.5.1 is backwards compatible with earlier 6.5.x releases, and should seamlessly support all users of the older 6.5.x APIs.   

For more information, see the LexEVS 6.5.1 Release Notes:

Browser Release Notes:

The URLs for LexEVS 6.5.1 are:

and for the web browsers:

Three new properties will be added to the NCI Thesaurus(NCIt) as part of this release.

  • One is a data property and the other two are internal administration properties.
  • Maps_To - A data property that indicates a term in an external terminology maps to the annotated concept. 
  • The annotations (qualifiers) specify which terminology and identifier is the target of the mapping. 


 C116374 Ageusia
    Maps_To  Ageusia
            Target_Terminology: MedDRA
            Relationship_to_Target: Has Synonym
            Target_Term_Type: LLT
            Target_Code: 10001480

Publish Value Set - An internal administration property that tags a value set as curated and ready for publication

Term Browser Value Set Description - An internal administration property that provides descriptive text of a value set for use in our Term browser.


Please feel free to contact EVS staff at  for additional information and to provide feedback as necessary.

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