Name	Flags	Card.	Type	Description & Constraints
Questionnaire	I		DomainResource	A structured set of questions If root group must be "required" The link ids for groups and questions must be unique within the questionnaire
identifier	Σ	0..*	Identifier	External identifiers for this questionnaire
version	Σ	0..1	string	Logical identifier for this version of Questionnaire
status	?! Σ	1..1	code	draft | published | retired QuestionnaireStatus ( Required)
date	Σ	0..1	dateTime	Date this version was authored
publisher	Σ	0..1	string	Organization/individual who designed the questionnaire
telecom	Σ	0..*	ContactPoint	Contact information of the publisher
subjectType	Σ	0..*	code	Resource that can be subject of QuestionnaireResponse ResourceType ( Required)
group	Σ I	1..1	BackboneElement	Grouped questions Groups may either contain questions or groups but not both
linkId		0..1	string	To link questionnaire with questionnaire response
title	Σ	0..1	string	Name to be displayed for group
concept	Σ	0..*	Coding	Concept that represents this section in a questionnaire Questionnaire Question Codes ( Example)
text		0..1	string	Additional text for the group
required		0..1	boolean	Whether the group must be included in data results
repeats		0..1	boolean	Whether the group may repeat
group	I	0..*	see group	Nested questionnaire group
question	I	0..*	BackboneElement	Questions in this group A question must use either option or options, not both
linkId		0..1	string	To link questionnaire with questionnaire response
concept		0..*	Coding	Concept that represents this question on a questionnaire Questionnaire Question Codes ( Example)
text		0..1	string	Text of the question as it is shown to the user
type		0..1	code	boolean | decimal | integer | date | dateTime + AnswerFormat ( Required)
required		0..1	boolean	Whether the question must be answered in data results
repeats		0..1	boolean	Whether the question can have multiple answers
options	I	0..1	Reference( ValueSet)	Valueset containing permitted answers
option	I	0..*	Coding	Permitted answer Questionnaire Answer Codes ( Example)
group		0..*	see group	Nested questionnaire group
Documentation for this format