description: The schedule that was followed. Use Procedure.occurrenceTiming in R5+ package_name: hl7.fhir.uv.extensions.r4b derivation: constraint name: ProcedureSchedule type: Extension elements: extension: {index: 0} url: pattern: {type: uri, value: 'http://hl7.org/fhir/StructureDefinition/procedure-schedule'} type: uri index: 1 value: choices: [valueTiming] index: 3 valueTiming: {type: Timing, choiceOf: value, index: 4} package_version: 5.3.0-ballot-tc1 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/procedure-schedule base: http://hl7.org/fhir/StructureDefinition/Extension version: 5.3.0-ballot-tc1 required: [value, valueTiming]