QuestionnaireItemType

Distinguishes groups from questions and display text and indicates data type for questions

This code system http://hl7.org/fhir/item-type defines the following codes:

LvlCodeDisplayDefinition
1group GroupAn item with no direct answer but which has descendant items that are questions
1display DisplayText for display that will not capture an answer or have descendants
1question QuestionAn item that defines a specific answer to be captured (and may have descendant items)
2  boolean BooleanQuestion with a yes/no answer
2  decimal DecimalQuestion with is a real number answer
2  integer IntegerQuestion with an integer answer
2  date DateQuestion with adate answer
2  dateTime Date TimeQuestion with a date and time answer
2  instant InstantQuestion with a system timestamp answer
2  time TimeQuestion with a time (hour/minute/second) answer independent of date.
2  string StringQuestion with a short (few words to short sentence) free-text entry answer
2  text TextQuestion with a long (potentially multi-paragraph) free-text entry (still captured as a string) answer
2  url UrlQuestion with a url (website, FTP site, etc.) answer
2  choice ChoiceQuestion with a Coding drawn from a list of options as an answer
2  open-choice Open ChoiceAnswer is a Coding drawn from a list of options or a free-text entry captured as Coding.display
2  attachment AttachmentQuestion with binary content such as a image, PDF, etc. as an answer
2  reference ReferenceQuestion with a reference to another resource (practitioner, organization, etc.) as an answer
2  quantity QuantityQuestion with a combination of a numeric value and unit, potentially with a comparator (<, >, etc.) as an answer.