description: Questionnaire that represents a dataset from a clinical registry. Each item in the questionnaire is a registry variable package_name: logex.internal.fhir.profiles derivation: constraint name: mrdm-questionnaire type: Questionnaire elements: url: {index: 0} title: {index: 1} date: {index: 2} item: elements: linkId: {index: 3} code: index: 4 elements: system: {index: 5} code: {index: 6} required: [system, code] slicing: rules: open description: Indicates whether the code refers to an external optionset min: null slices: ExternalOptionSet: match: {} schema: short: Slice for identifying whether an item refers to an external option sets _required: true index: 7 elements: system: pattern: {type: Uri, value: 'http://hl7.org/fhir/v2/0136'} index: 8 package_version: 1.0.0 class: profile kind: resource url: http://mrdm.nl/fhir/StructureDefinition/mrdm-questionnaire base: http://hl7.org/fhir/StructureDefinition/Questionnaire version: null required: [url, title, date]