description: This cross-version extension represents EvidenceVariable.characteristic.timeFromStart from http://hl7.org/fhir/StructureDefinition/EvidenceVariable|4.3.0 for use in FHIR R4.
package_name: rs/hl7.fhir.uv.xver
derivation: constraint
name: ext_R4B_EvidenceVariable_ch_timeFromStart
type: Extension
elements:
  extension:
    array: true
    index: 0
    slicing:
      rules: closed
      ordered: false
      discriminator:
      - {path: url, type: value}
      min: 0
      slices:
        description:
          match: {url: null}
          schema:
            isModifier: false
            short: Human readable description
            index: 1
            elements:
              value:
                base: {path: 'Extension.value[x]'}
                short: Human readable description
                choices: [valueString]
                index: 3
              valueString:
                base: {path: 'Extension.value[x]'}
                type: string
                short: Human readable description
                choiceOf: value
                index: 4
        quantity:
          match: {url: null}
          schema:
            short: Used to express the observation at a defined amount of time after the study start
            isModifier: false
            index: 5
            elements:
              value:
                base: {path: 'Extension.value[x]'}
                short: Used to express the observation at a defined amount of time after the study start
                choices: [valueQuantity]
                index: 7
              valueQuantity:
                base: {path: 'Extension.value[x]'}
                type: Quantity
                short: Used to express the observation at a defined amount of time after the study start
                choiceOf: value
                index: 8
        range:
          match: {url: null}
          schema:
            short: Used to express the observation within a period after the study start
            isModifier: false
            index: 9
            elements:
              value:
                base: {path: 'Extension.value[x]'}
                short: Used to express the observation within a period after the study start
                choices: [valueRange]
                index: 11
              valueRange:
                base: {path: 'Extension.value[x]'}
                type: Range
                short: Used to express the observation within a period after the study start
                choiceOf: value
                index: 12
        note:
          match: {url: null}
          schema:
            isModifier: false
            short: Used for footnotes or explanatory notes
            array: true
            index: 13
            elements:
              value:
                base: {path: 'Extension.value[x]'}
                short: Used for footnotes or explanatory notes
                choices: [valueAnnotation]
                index: 15
              valueAnnotation:
                base: {path: 'Extension.value[x]'}
                type: Annotation
                short: Used for footnotes or explanatory notes
                choiceOf: value
                index: 16
  url:
    pattern: {type: uri, value: 'http://hl7.org/fhir/4.3/StructureDefinition/extension-EvidenceVariable.characteristic.timeFromStart'}
    type: uri
    index: 17
package_version: r4b.r4-0.0.1-snapshot-1
extensions:
  description:
    url: null
    isModifier: false
    short: Human readable description
    index: 1
    elements:
      value:
        base: {path: 'Extension.value[x]'}
        short: Human readable description
        choices: [valueString]
        index: 3
      valueString:
        base: {path: 'Extension.value[x]'}
        type: string
        short: Human readable description
        choiceOf: value
        index: 4
  quantity:
    url: null
    short: Used to express the observation at a defined amount of time after the study start
    isModifier: false
    index: 5
    elements:
      value:
        base: {path: 'Extension.value[x]'}
        short: Used to express the observation at a defined amount of time after the study start
        choices: [valueQuantity]
        index: 7
      valueQuantity:
        base: {path: 'Extension.value[x]'}
        type: Quantity
        short: Used to express the observation at a defined amount of time after the study start
        choiceOf: value
        index: 8
  range:
    url: null
    short: Used to express the observation within a period after the study start
    isModifier: false
    index: 9
    elements:
      value:
        base: {path: 'Extension.value[x]'}
        short: Used to express the observation within a period after the study start
        choices: [valueRange]
        index: 11
      valueRange:
        base: {path: 'Extension.value[x]'}
        type: Range
        short: Used to express the observation within a period after the study start
        choiceOf: value
        index: 12
  note:
    url: null
    isModifier: false
    short: Used for footnotes or explanatory notes
    array: true
    index: 13
    elements:
      value:
        base: {path: 'Extension.value[x]'}
        short: Used for footnotes or explanatory notes
        choices: [valueAnnotation]
        index: 15
      valueAnnotation:
        base: {path: 'Extension.value[x]'}
        type: Annotation
        short: Used for footnotes or explanatory notes
        choiceOf: value
        index: 16
class: extension
kind: complex-type
url: http://hl7.org/fhir/4.3/StructureDefinition/extension-EvidenceVariable.characteristic.timeFromStart
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 0.0.1-snapshot-1
required: [url]