description: Takes a subset of extensions and constraints from the SDC [rendering](http://hl7.org/fhir/uv/sdc/STU3/StructureDefinition-sdc-questionnaire-render.html), [behavior](http://hl7.org/fhir/uv/sdc/STU3/StructureDefinition-sdc-questionnaire-behave.html), and [population](http://hl7.org/fhir/uv/sdc/STU3/StructureDefinition-sdc-questionnaire-pop-exp.html) profiles, reflecting agreed expectations around which data elements might be relevant as well as which must be supported for DTR purposes. package_name: hl7.fhir.us.davinci-dtr derivation: constraint name: DTRStdQuestionnaire type: Questionnaire elements: item: index: 0 extensions: enableWhenExpression: {url: 'http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-enableWhenExpression', min: 0, max: 1, type: Extension, mustSupport: true, index: 1} answerOptionsToggleExpression: {url: 'http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-answerOptionsToggleExpression', min: 0, max: 1, type: Extension, index: 2} elements: extension: type: Extension mustSupport: true url: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-enableWhenExpression index: 1 slicing: slices: enableWhenExpression: match: {} schema: {type: Extension, mustSupport: true, url: 'http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-enableWhenExpression', index: 1} min: 0 max: 1 answerOptionsToggleExpression: match: {} schema: {type: Extension, url: 'http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-answerOptionsToggleExpression', index: 2} min: 0 max: 1 text: extensions: itemTextCqfExpression: {url: 'http://hl7.org/fhir/StructureDefinition/cqf-expression|5.3.0-ballot-tc1', min: 0, max: 1, type: Extension, index: 3} elements: extension: type: Extension url: http://hl7.org/fhir/StructureDefinition/cqf-expression|5.3.0-ballot-tc1 index: 3 slicing: slices: itemTextCqfExpression: match: {} schema: {type: Extension, url: 'http://hl7.org/fhir/StructureDefinition/cqf-expression|5.3.0-ballot-tc1', index: 3} min: 0 max: 1 enableWhen: {mustSupport: true, index: 4} required: elements: value: mustSupport: false index: 5 extensions: requiredExpression: {url: 'http://hl7.org/fhir/StructureDefinition/cqf-expression|5.3.0-ballot-tc1', min: 0, max: 1, type: Extension, index: 7} elements: extension: index: 6 slicing: rules: open ordered: false discriminator: - {path: url, type: value} min: null slices: requiredExpression: match: {url: null} schema: {type: Extension, url: 'http://hl7.org/fhir/StructureDefinition/cqf-expression|5.3.0-ballot-tc1', index: 7} min: 0 max: 1 repeats: elements: value: mustSupport: false index: 8 extensions: repeatsExpression: {url: 'http://hl7.org/fhir/StructureDefinition/cqf-expression|5.3.0-ballot-tc1', min: 0, max: 1, type: Extension, index: 10} elements: extension: index: 9 slicing: rules: open ordered: false discriminator: - {path: url, type: value} min: null slices: repeatsExpression: match: {url: null} schema: {type: Extension, url: 'http://hl7.org/fhir/StructureDefinition/cqf-expression|5.3.0-ballot-tc1', index: 10} min: 0 max: 1 readOnly: elements: value: mustSupport: false index: 11 extensions: readOnlyExpression: {url: 'http://hl7.org/fhir/StructureDefinition/cqf-expression|5.3.0-ballot-tc1', min: 0, max: 1, type: Extension, index: 13} elements: extension: index: 12 slicing: rules: open ordered: false discriminator: - {path: url, type: value} min: null slices: readOnlyExpression: match: {url: null} schema: {type: Extension, url: 'http://hl7.org/fhir/StructureDefinition/cqf-expression|5.3.0-ballot-tc1', index: 13} min: 0 max: 1 answerValueSet: elements: value: mustSupport: false index: 14 extensions: answerValueSetExpression: {url: 'http://hl7.org/fhir/StructureDefinition/cqf-expression|5.3.0-ballot-tc1', min: 0, max: 1, type: Extension, index: 16} elements: extension: index: 15 slicing: rules: open ordered: false discriminator: - {path: url, type: value} min: null slices: answerValueSetExpression: match: {url: null} schema: {type: Extension, url: 'http://hl7.org/fhir/StructureDefinition/cqf-expression|5.3.0-ballot-tc1', index: 16} min: 0 max: 1 package_version: 2.2.0-ballot class: profile kind: resource url: http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/dtr-std-questionnaire base: http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/dtr-base-questionnaire version: 2.2.0-ballot required: [item]