description: Facets are semantic categories used in a faceted taxonomy system. This extension is used to identify the taxonomy facet.
package_name: ca.on.oh-ereferral-econsult
derivation: constraint
name: Facet
type: Extension
elements:
  url:
    pattern: {type: Uri, value: 'http://ehealthontario.ca/fhir/StructureDefinition/ext-facet'}
    index: 0
  value:
    choices: [valueCodeableConcept]
    index: 2
  valueCodeableConcept: {type: CodeableConcept, choiceOf: value, index: 3}
package_version: 0.11.0-alpha1.0.4
class: extension
kind: complex-type
url: http://ehealthontario.ca/fhir/StructureDefinition/ext-facet
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 1.0.0