description: This extension supports the sharing of the observation(s) that triggered the performance of the main observation.
package_name: fhir.r4.ukcore.stu3.currentbuild
derivation: constraint
name: ExtensionUKCoreObservationTriggeredBy
type: Extension
elements:
  extension:
    array: true
    min: 2
    index: 0
    slicing:
      slices:
        observation:
          match: {}
          schema:
            short: Triggering observation
            _required: true
            index: 1
            extensions: {}
            elements:
              extension: {index: 2}
              url:
                pattern: {type: uri, value: observation}
                type: uri
                index: 3
              value:
                choices: [valueReference]
                index: 5
              valueReference:
                type: Reference
                choiceOf: value
                refers: ['http://hl7.org/fhir/StructureDefinition/Observation']
                index: 6
            required: [value, valueReference]
        type:
          match: {}
          schema:
            short: reflex | repeat | re-run
            binding: {strength: required, valueSet: 'http://hl7.org/fhir/ValueSet/observation-triggeredbytype'}
            _required: true
            index: 7
            extensions: {}
            elements:
              extension: {index: 8}
              url:
                pattern: {type: uri, value: type}
                type: uri
                index: 9
              value:
                choices: [valueCode]
                index: 11
              valueCode: {type: code, choiceOf: value, index: 12}
            required: [value, valueCode]
        reason:
          match: {}
          schema:
            short: Reason that the observation was triggered
            index: 13
            extensions: {}
            elements:
              extension: {index: 14}
              url:
                pattern: {type: uri, value: reason}
                type: uri
                index: 15
              value:
                choices: [valueString]
                index: 17
              valueString: {type: string, choiceOf: value, index: 18}
            required: [value, valueString]
  url:
    pattern: {type: uri, value: 'http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.triggeredBy'}
    type: uri
    index: 19
  value:
    choices: []
    index: 21
package_version: 0.23.0-pre-release
extensions:
  observation:
    url: null
    short: Triggering observation
    _required: true
    index: 1
    extensions: {}
    elements:
      extension: {index: 2}
      url:
        pattern: {type: uri, value: observation}
        type: uri
        index: 3
      value:
        choices: [valueReference]
        index: 5
      valueReference:
        type: Reference
        choiceOf: value
        refers: ['http://hl7.org/fhir/StructureDefinition/Observation']
        index: 6
    required: [value, valueReference]
  type:
    url: null
    short: reflex | repeat | re-run
    binding: {strength: required, valueSet: 'http://hl7.org/fhir/ValueSet/observation-triggeredbytype'}
    _required: true
    index: 7
    extensions: {}
    elements:
      extension: {index: 8}
      url:
        pattern: {type: uri, value: type}
        type: uri
        index: 9
      value:
        choices: [valueCode]
        index: 11
      valueCode: {type: code, choiceOf: value, index: 12}
    required: [value, valueCode]
  reason:
    url: null
    short: Reason that the observation was triggered
    index: 13
    extensions: {}
    elements:
      extension: {index: 14}
      url:
        pattern: {type: uri, value: reason}
        type: uri
        index: 15
      value:
        choices: [valueString]
        index: 17
      valueString: {type: string, choiceOf: value, index: 18}
    required: [value, valueString]
class: extension
kind: complex-type
url: http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.triggeredBy
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 1.1.0