description: When the sample was obtained, as a specific time or time period.
package_name: hl7.fhir.us.breastcancer
derivation: constraint
name: CollectionTimeExtension
type: Extension
elements:
  extension:
    index: 0
    slicing:
      slices:
        extension:
          match: {}
          schema: {index: 0}
          max: 0
  url:
    type: uri
    pattern: {type: Uri, value: 'http://hl7.org/fhir/us/breastcancer/StructureDefinition/cimi-entity-CollectionTime-extension'}
    index: 1
  value:
    choices: [valueDateTime, valuePeriod]
    index: 3
  valueDateTime: {type: dateTime, choiceOf: value, index: 4}
  valuePeriod: {type: Period, choiceOf: value, index: 5}
package_version: 0.2.0
extensions:
  extension: {url: null, max: 0, index: 0}
class: extension
kind: complex-type
url: http://hl7.org/fhir/us/breastcancer/StructureDefinition/cimi-entity-CollectionTime-extension
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 0.2.0
required: [valuePeriod, valueDateTime, value]