http://hl7.org/fhir/StructureDefinition/derivation-reference|5.2.0

description: References a location within a set of source text from which the discrete information described by this Resource/Element was extracted.
derivation: constraint
name: ResourceDerivationReference
type: Extension
elements:
  extension:
    short: Source reference.
    index: 0
    slicing:
      slices:
        reference:
          match: {}
          schema:
            short: Source reference.
            index: 0
            extensions: {}
            elements:
              extension: {index: 1}
              url:
                pattern: {type: Uri, value: reference}
                index: 2
              value:
                choices: []
                index: 4
            required: [value]
        path:
          match: {}
          schema:
            short: Element containing text.
            index: 5
            extensions: {}
            elements:
              extension: {index: 6}
              url:
                pattern: {type: Uri, value: path}
                index: 7
              value:
                choices: []
                index: 9
            required: [value]
        offset:
          match: {}
          schema:
            short: Starting position.
            meaningWhenMissing: If not specified, the location at which derivation started is unknown.
            index: 10
            extensions: {}
            elements:
              extension: {index: 11}
              url:
                pattern: {type: Uri, value: offset}
                index: 12
              value:
                choices: []
                index: 14
            required: [value]
        length:
          match: {}
          schema:
            short: Number of characters.
            meaningWhenMissing: If not specified, the location at which derivation ended is unknown.
            index: 15
            extensions: {}
            elements:
              extension: {index: 16}
              url:
                pattern: {type: Uri, value: length}
                index: 17
              value:
                choices: []
                index: 19
            required: [value]
  url:
    pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/derivation-reference'}
    index: 20
  value:
    choices: []
    index: 22
extensions:
  reference:
    url: null
    short: Source reference.
    index: 0
    extensions: {}
    elements:
      extension: {index: 1}
      url:
        pattern: {type: Uri, value: reference}
        index: 2
      value:
        choices: []
        index: 4
    required: [value]
  path:
    url: null
    short: Element containing text.
    index: 5
    extensions: {}
    elements:
      extension: {index: 6}
      url:
        pattern: {type: Uri, value: path}
        index: 7
      value:
        choices: []
        index: 9
    required: [value]
  offset:
    url: null
    short: Starting position.
    meaningWhenMissing: If not specified, the location at which derivation started is unknown.
    index: 10
    extensions: {}
    elements:
      extension: {index: 11}
      url:
        pattern: {type: Uri, value: offset}
        index: 12
      value:
        choices: []
        index: 14
    required: [value]
  length:
    url: null
    short: Number of characters.
    meaningWhenMissing: If not specified, the location at which derivation ended is unknown.
    index: 15
    extensions: {}
    elements:
      extension: {index: 16}
      url:
        pattern: {type: Uri, value: length}
        index: 17
      value:
        choices: []
        index: 19
    required: [value]
class: extension
kind: complex-type
url: http://hl7.org/fhir/StructureDefinition/derivation-reference
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 5.2.0