description: Extension on Observation to add information whether the estimate is certain (e.g. for term date).
package_name: nictiz.fhir.nl.stu3.geboortezorg
derivation: constraint
name: bc-observation-isCertain
type: Extension
elements:
  url:
    pattern: {type: Uri, value: 'http://nictiz.nl/fhir/StructureDefinition/bc-observation-isCertain'}
    index: 0
package_version: 1.3.3-rc3
class: extension
kind: complex-type
url: http://nictiz.nl/fhir/StructureDefinition/bc-observation-isCertain
base: http://hl7.org/fhir/StructureDefinition/Extension
version: null