{description: Value Set of codes that indicate whether the appointment resource may be substituted for another by the entity assigned to fulfill the appointment., package_name: hl7.terminology, name: Hl7VSAllowSubstitutionCodes, type: null, package_version: 6.1.0, class: unknown, kind: null, url: 'http://terminology.hl7.org/ValueSet/v2-0279', version: 2.0.0}