description: This extension identifies which Condition Category (CC) gap the supporting evidence (represented by `MeasureReport.group.evaluatedResource`) is for.
package_name: rs/hl7.fhir.us.davinci
derivation: constraint
name: GroupReference
type: Extension
elements:
  url:
    type: uri
    pattern: {type: uri, value: 'http://hl7.org/fhir/us/davinci-ra/StructureDefinition/ra-groupReference'}
    index: 0
  valueString: {type: string, index: 1}
package_version: ra-1.0.0
class: extension
kind: complex-type
url: http://hl7.org/fhir/us/davinci-ra/StructureDefinition/ra-groupReference
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 1.0.0