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• A CodeSystem supplement will be used to act as an expression library
• A ConceptMap will be used to translate expressions to (and from) shorter codes for systems with restricted code lengths

Prerequisites

• Create the CodeSystem supplement. This supplements a specific module and version of SNOMED CT
• 1234007 is the identifier of the module that contains the postcoordination content

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The department would like to report on the number of closed reduction procedures performed. All codes representing this type of procedure must be fetched so that they can be matched against the EHR records.

• Expand an intentional ValueSet using the expression library (and the Code System it supplements) with ECL "< 86052008 |Closed reduction of fracture (procedure)|"

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  • • GET /ValueSet/$expand?url=http://snomed.info/xsct/1234007?fhir_vs=ecl/<86052008
  • Expand an intentional ValueSet using the expression library, the Code System it supplements and a derivative (module 98763002) 
    • GET /ValueSet/$expand?url=http://snomed.info/xsct/1234007;module/98763002?fhir_vs=ecl/<86052008

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