description: This cross-version extension represents MolecularSequence.coordinateSystem from http://hl7.org/fhir/StructureDefinition/MolecularSequence|4.0.1 for use in FHIR R5.
package_name: hl7.fhir.uv.xver
derivation: constraint
name: Ext_R4_MolecularSequence_coordinateSystem
type: Extension
elements:
  url:
    base: {max: '1', min: 1, path: Extension.url}
    pattern: {type: Uri, value: 'http://hl7.org/fhir/4.0/StructureDefinition/extension-MolecularSequence.coordinateSystem'}
    index: 0
  value:
    base: {max: '1', min: 0, path: 'Extension.value[x]'}
    short: Base number of coordinate system (0 for 0-based numbering or coordinates, inclusive start, exclusive end, 1 for 1-based numbering, inclusive start, inclusive end)
    choices: [valueInteger]
    index: 2
  valueInteger:
    base: {max: '1', min: 0, path: 'Extension.value[x]'}
    type: integer
    short: Base number of coordinate system (0 for 0-based numbering or coordinates, inclusive start, exclusive end, 1 for 1-based numbering, inclusive start, inclusive end)
    choiceOf: value
    index: 3
package_version: r4.r5-0.0.1-snapshot-2
class: extension
kind: complex-type
url: http://hl7.org/fhir/4.0/StructureDefinition/extension-MolecularSequence.coordinateSystem
base: http://hl7.org/fhir/StructureDefinition/Extension|5.0.0
version: 0.0.1-snapshot-2
required: [url]