description: 'R5: `EvidenceVariable.characteristic.definitionByCombination` (new:BackboneElement)'
package_name: hl7.fhir.uv.xver-r5.r4b
derivation: constraint
name: ExtensionEvidenceVariable_Characteristic_DefinitionByCombination
type: Extension
elements:
  extension:
    base: {max: '*', min: 0, path: Extension.extension}
    array: true
    min: 2
    index: 0
    slicing:
      rules: open
      ordered: false
      discriminator:
      - {path: url, type: value}
      min: 2
      slices:
        code:
          match: {url: code}
          schema:
            short: 'R5: all-of | any-of | at-least | at-most | statistical | net-effect | dataset (new)'
            _required: true
            base: {max: '*', min: 0, path: Extension.extension}
            index: 1
            elements:
              url:
                base: {max: '1', min: 1, path: Extension.url}
                pattern: {type: Uri, value: code}
                index: 2
              value:
                short: all-of | any-of | at-least | at-most | statistical | net-effect | dataset
                choices: [valueCode]
                base: {max: '1', min: 0, path: 'Extension.value[x]'}
                index: 4
              valueCode:
                short: all-of | any-of | at-least | at-most | statistical | net-effect | dataset
                type: code
                base: {max: '1', min: 0, path: 'Extension.value[x]'}
                choiceOf: value
                index: 5
            required: [url, valueCode, value]
        threshold:
          match: {url: threshold}
          schema:
            short: 'R5: Provides the value of "n" when "at-least" or "at-most" codes are used (new)'
            base: {max: '*', min: 0, path: Extension.extension}
            index: 6
            elements:
              url:
                base: {max: '1', min: 1, path: Extension.url}
                pattern: {type: Uri, value: threshold}
                index: 7
              value:
                base: {max: '1', min: 0, path: 'Extension.value[x]'}
                short: Provides the value of "n" when "at-least" or "at-most" codes are used
                choices: [valuePositiveInt]
                index: 9
              valuePositiveInt:
                short: Provides the value of "n" when "at-least" or "at-most" codes are used
                type: positiveInt
                base: {max: '1', min: 0, path: 'Extension.value[x]'}
                choiceOf: value
                index: 10
            required: [url]
        characteristic:
          match: {url: 'http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic'}
          schema:
            min: 1
            short: 'R5: A defining factor of the characteristic (new)'
            array: true
            _required: true
            base: {max: '*', min: 0, path: Extension.extension}
            index: 11
            elements:
              url:
                base: {max: '1', min: 1, path: Extension.url}
                pattern: {type: Uri, value: 'http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic'}
                index: 12
              value:
                base: {max: '1', min: 0, path: 'Extension.value[x]'}
                choices: []
                index: 14
            required: [url]
  url:
    base: {max: '1', min: 1, path: Extension.url}
    pattern: {type: Uri, value: 'http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.definitionByCombination'}
    index: 15
  value:
    base: {max: '1', min: 0, path: 'Extension.value[x]'}
    choices: []
    index: 17
package_version: 0.1.0
extensions:
  code:
    url: code
    short: 'R5: all-of | any-of | at-least | at-most | statistical | net-effect | dataset (new)'
    _required: true
    base: {max: '*', min: 0, path: Extension.extension}
    index: 1
    elements:
      url:
        base: {max: '1', min: 1, path: Extension.url}
        pattern: {type: Uri, value: code}
        index: 2
      value:
        short: all-of | any-of | at-least | at-most | statistical | net-effect | dataset
        choices: [valueCode]
        base: {max: '1', min: 0, path: 'Extension.value[x]'}
        index: 4
      valueCode:
        short: all-of | any-of | at-least | at-most | statistical | net-effect | dataset
        type: code
        base: {max: '1', min: 0, path: 'Extension.value[x]'}
        choiceOf: value
        index: 5
    required: [url, valueCode, value]
  threshold:
    url: threshold
    short: 'R5: Provides the value of "n" when "at-least" or "at-most" codes are used (new)'
    base: {max: '*', min: 0, path: Extension.extension}
    index: 6
    elements:
      url:
        base: {max: '1', min: 1, path: Extension.url}
        pattern: {type: Uri, value: threshold}
        index: 7
      value:
        base: {max: '1', min: 0, path: 'Extension.value[x]'}
        short: Provides the value of "n" when "at-least" or "at-most" codes are used
        choices: [valuePositiveInt]
        index: 9
      valuePositiveInt:
        short: Provides the value of "n" when "at-least" or "at-most" codes are used
        type: positiveInt
        base: {max: '1', min: 0, path: 'Extension.value[x]'}
        choiceOf: value
        index: 10
    required: [url]
  characteristic:
    min: 1
    short: 'R5: A defining factor of the characteristic (new)'
    index: 11
    array: true
    elements:
      url:
        base: {max: '1', min: 1, path: Extension.url}
        pattern: {type: Uri, value: 'http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic'}
        index: 12
      value:
        base: {max: '1', min: 0, path: 'Extension.value[x]'}
        choices: []
        index: 14
    _required: true
    url: http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic
    base: {max: '*', min: 0, path: Extension.extension}
    required: [url]
class: extension
kind: complex-type
url: http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.definitionByCombination
base: http://hl7.org/fhir/StructureDefinition/Extension|4.3.0
version: 0.1.0
required: [url]