10.2.1Terminology and Full-Text Indexing

 

Use of Full-Text Indexing can improve performance and enable additional functionality on terminology operations.

When Full-Text Indexing has been enabled, ValueSet Expansion ($expand) will support filters ValueSet.componse.filter(https://www.hl7.org/fhir/valueset-definitions.html#ValueSet.compose.include.filter) including:

  • display and display:exact (Display name filtering)
  • concept and code (Specific code filtering)
  • parent and child (Hierarchy filtering)
  • ancestor and descendent (Hierarchy filtering)
  • copyright (LOINC specific filter)
  • regex (Code regular-expression filtering)
  • property (Concept property filtering)