description: This cross-version extension represents EvidenceVariable.characteristic.definitionByCombination from http://hl7.org/fhir/StructureDefinition/EvidenceVariable|5.0.0 for use in FHIR R4.
package_name: hl7.fhir.uv.xver
derivation: constraint
name: ext_R5_EvidenceVariable_ch_dEV
type: Extension
elements:
  extension:
    array: true
    min: 2
    index: 0
    slicing:
      rules: closed
      ordered: false
      discriminator:
      - {path: url, type: value}
      min: 2
      slices:
        code:
          match: {url: null}
          schema:
            short: all-of | any-of | at-least | at-most | statistical | net-effect | dataset
            isModifier: false
            _required: true
            index: 1
            elements:
              value:
                base: {path: 'Extension.value[x]'}
                short: all-of | any-of | at-least | at-most | statistical | net-effect | dataset
                choices: [valueCode]
                index: 3
              valueCode:
                base: {path: 'Extension.value[x]'}
                type: code
                short: all-of | any-of | at-least | at-most | statistical | net-effect | dataset
                choiceOf: value
                index: 4
        threshold:
          match: {url: null}
          schema:
            short: Provides the value of "n" when "at-least" or "at-most" codes are used
            isModifier: false
            index: 5
            elements:
              value:
                base: {path: 'Extension.value[x]'}
                short: Provides the value of "n" when "at-least" or "at-most" codes are used
                choices: [valuePositiveInt]
                index: 7
              valuePositiveInt:
                base: {path: 'Extension.value[x]'}
                type: positiveInt
                short: Provides the value of "n" when "at-least" or "at-most" codes are used
                choiceOf: value
                index: 8
        characteristic:
          match: {url: null}
          schema:
            short: A defining factor of the characteristic
            isModifier: false
            array: true
            min: 1
            _required: true
            index: 9
            extensions:
              _datatype:
                url: http://hl7.org/fhir/StructureDefinition/_datatype
                type: Extension
                short: Data type name for EvidenceVariable.characteristic.definitionByCombination.characteristic from FHIR R5
                index: 10
                elements:
                  value:
                    base: {path: 'Extension.value[x]'}
                    pattern: {type: String, value: EvidenceVariable.characteristic}
                    choices: [valueString]
                    index: 12
                  valueString:
                    type: string
                    pattern: {type: String, value: EvidenceVariable.characteristic}
                    base: {path: 'Extension.value[x]'}
                    choiceOf: value
                    index: 13
                required: [valueString, value]
            elements:
              extension:
                type: Extension
                short: Data type name for EvidenceVariable.characteristic.definitionByCombination.characteristic from FHIR R5
                url: http://hl7.org/fhir/StructureDefinition/_datatype
                index: 10
                slicing:
                  slices:
                    _datatype:
                      match: {}
                      schema:
                        type: Extension
                        short: Data type name for EvidenceVariable.characteristic.definitionByCombination.characteristic from FHIR R5
                        url: http://hl7.org/fhir/StructureDefinition/_datatype
                        index: 10
                        elements:
                          value:
                            base: {path: 'Extension.value[x]'}
                            pattern: {type: String, value: EvidenceVariable.characteristic}
                            choices: [valueString]
                            index: 12
                          valueString:
                            type: string
                            pattern: {type: String, value: EvidenceVariable.characteristic}
                            base: {path: 'Extension.value[x]'}
                            choiceOf: value
                            index: 13
                        required: [valueString, value]
  url:
    pattern: {type: Uri, value: 'http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.definitionByCombination'}
    index: 14
package_version: r5.r4-0.0.1-snapshot-1
extensions:
  code:
    url: null
    short: all-of | any-of | at-least | at-most | statistical | net-effect | dataset
    isModifier: false
    _required: true
    index: 1
    elements:
      value:
        base: {path: 'Extension.value[x]'}
        short: all-of | any-of | at-least | at-most | statistical | net-effect | dataset
        choices: [valueCode]
        index: 3
      valueCode:
        base: {path: 'Extension.value[x]'}
        type: code
        short: all-of | any-of | at-least | at-most | statistical | net-effect | dataset
        choiceOf: value
        index: 4
  threshold:
    url: null
    short: Provides the value of "n" when "at-least" or "at-most" codes are used
    isModifier: false
    index: 5
    elements:
      value:
        base: {path: 'Extension.value[x]'}
        short: Provides the value of "n" when "at-least" or "at-most" codes are used
        choices: [valuePositiveInt]
        index: 7
      valuePositiveInt:
        base: {path: 'Extension.value[x]'}
        type: positiveInt
        short: Provides the value of "n" when "at-least" or "at-most" codes are used
        choiceOf: value
        index: 8
  characteristic:
    min: 1
    isModifier: false
    short: A defining factor of the characteristic
    index: 9
    array: true
    elements:
      extension:
        type: Extension
        short: Data type name for EvidenceVariable.characteristic.definitionByCombination.characteristic from FHIR R5
        url: http://hl7.org/fhir/StructureDefinition/_datatype
        index: 10
        slicing:
          slices:
            _datatype:
              match: {}
              schema:
                type: Extension
                short: Data type name for EvidenceVariable.characteristic.definitionByCombination.characteristic from FHIR R5
                url: http://hl7.org/fhir/StructureDefinition/_datatype
                index: 10
                elements:
                  value:
                    base: {path: 'Extension.value[x]'}
                    pattern: {type: String, value: EvidenceVariable.characteristic}
                    choices: [valueString]
                    index: 12
                  valueString:
                    type: string
                    pattern: {type: String, value: EvidenceVariable.characteristic}
                    base: {path: 'Extension.value[x]'}
                    choiceOf: value
                    index: 13
                required: [valueString, value]
    _required: true
    extensions:
      _datatype:
        url: http://hl7.org/fhir/StructureDefinition/_datatype
        type: Extension
        short: Data type name for EvidenceVariable.characteristic.definitionByCombination.characteristic from FHIR R5
        index: 10
        elements:
          value:
            base: {path: 'Extension.value[x]'}
            pattern: {type: String, value: EvidenceVariable.characteristic}
            choices: [valueString]
            index: 12
          valueString:
            type: string
            pattern: {type: String, value: EvidenceVariable.characteristic}
            base: {path: 'Extension.value[x]'}
            choiceOf: value
            index: 13
        required: [valueString, value]
    url: null
class: extension
kind: complex-type
url: http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.definitionByCombination
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 0.0.1-snapshot-1
required: [url]