Choice

Question with a Coding drawn from a list of possible answers (specified in either the answerOption property, or via the valueset referenced in the answerValueSet property) as an answer (valueCoding).

Basic usage

Answer Option

Questionnaire-only

With Response

Answer Value Set

Questionnaire-only

With Response

Advanced usage

Answer Option - Calculations

Answer Value Set - Calculations

View more advanced usages in Storybook's SDC section.

note

The above calculation examples uses valueCoding.code¹ as the FHIRPath expression result.

SDC Supported extensions

Code	Usage
variable	http://hl7.org/fhir/StructureDefinition/variable
answerExpression	http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-answerExpression - Only tested with answerValueSet.
initialExpression	http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-initialExpression - InitialExpression should evaluate to a coding value.
calculatedExpression	http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-calculatedExpression - CalculatedExpression should evaluate to a coding or valueCoding.code1 value.
enableWhenExpression	http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-enableWhenExpression
answerOptionToggleExpression	http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-answerOptionsToggleExpression
rendering-style	http://hl7.org/fhir/extensions/StructureDefinition-rendering-style.html
rendering-markdown	http://hl7.org/fhir/extensions/StructureDefinition-rendering-markdown.html
rendering-xhtml	http://hl7.org/fhir/StructureDefinition/rendering-xhtml
hidden	http://hl7.org/fhir/StructureDefinition/questionnaire-hidden
itemControl	http://hl7.org/fhir/StructureDefinition/questionnaire-itemControl Supports: - autocomplete - drop-down - check-box - radio-button
choiceOrientation	http://hl7.org/fhir/StructureDefinition/questionnaire-choiceOrientation - ChoiceOrientation is only supported on itemControl "radio-button" and "check-box" extensions
required	item.required
repeats	item.repeats
readOnly	item.readOnly
preferredTerminologyServer	http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-preferredTerminologyServer
answerOption	item.answerOption
answerValueSet	item.answerValueSet
initial	item.initial
enableWhen	item.enableWhen
enableBehavior	item.enableBehavior
text	item.text

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Footnotes

1. For calculated expressions, valueCoding.code as a fhirpath result is also permitted, as FHIRPath cannot dynamically generated a valueCoding object. ↩ ↩²