description: This cross-version extension represents ProcedureRequest.subject from http://hl7.org/fhir/StructureDefinition/ProcedureRequest|1.0.2 for use in FHIR R4B.
package_name: hl7.fhir.uv.xver-r2.r4b
derivation: constraint
name: ext_R2_ProcedureRequest_subject
type: Extension
elements:
  url:
    pattern: {type: uri, value: 'http://hl7.org/fhir/1.0/StructureDefinition/extension-ProcedureRequest.subject'}
    type: uri
    index: 0
package_version: 0.0.1-snapshot-1
class: extension
kind: complex-type
url: http://hl7.org/fhir/1.0/StructureDefinition/extension-ProcedureRequest.subject
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 0.0.1-snapshot-1
required: [url]