description: Indicates the relative preference of an element within a collection of repeating elements.  Lower numbers indicate a stronger degree of preference.  Equal number indicate equal preference.
package_name: hl7.fhir.uv.extensions.r4
derivation: constraint
name: Rank
type: Extension
elements:
  extension: {index: 0}
  url:
    pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/rank'}
    index: 1
  value:
    label: value set
    choices: [valueCanonical]
    index: 3
  valueCanonical: {type: canonical, label: value set, choiceOf: value, index: 4}
package_version: 5.3.0
extensions: {}
class: extension
kind: complex-type
url: http://hl7.org/fhir/StructureDefinition/rank
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 5.3.0
required: [valueCanonical, value]