description: A reference to a CodeSystem or ValueSet that establishes the allowable values for a code system property
package_name: hl7.fhir.us.ecr
derivation: constraint
name: USPublicHealthCodeSystemPropertyBindingExtension
type: Extension
elements:
  extension: {index: 0}
  url:
    pattern: {type: Uri, value: 'http://hl7.org/fhir/us/ecr/StructureDefinition/us-ph-codesystem-property-binding-extension'}
    index: 1
  value:
    choices: [valueCanonical]
    index: 3
  valueCanonical: {type: canonical, choiceOf: value, index: 4}
package_version: 2.1.2
extensions: {}
class: extension
kind: complex-type
url: http://hl7.org/fhir/us/ecr/StructureDefinition/us-ph-codesystem-property-binding-extension
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 2.1.2
required: [valueCanonical, value]