This page is part of the FHIR Specification (v5.0.0: R5 - STU). This is the current published version in it's permanent home (it will always be available at this URL). For a full list of available versions, see the Directory of published versions . Page versions: R5 R4B R4 R3

4.3.2.173 CodeSystem http://hl7.org/fhir/item-type

FHIR Infrastructure Work Group

Maturity Level: 3

Trial Use

Use Context: Country: World

• Narrative
• XML
• JSON
• TTL

This Code system is used in the following value sets:

• ValueSet: Questionnaire Item Type (Distinguishes groups from questions and display text and indicates data type for questions.)

4.3.2.173.1 Definition

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

4.3.2.173.2 Content

Properties

This code system defines the following properties for its concepts

Code	URI	Type	Description
notSelectable	http://hl7.org/fhir/concept-properties#notSelectable	boolean	Indicates that the code is abstract - only intended to be used as a selector for other concepts

Concepts

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

Lvl	Code	Display	Definition	Not Selectable	Copy
1	group	Group	An item with no direct answer but should have at least one child item.
1	display	Display	Text for display that will not capture an answer or have child items.
1	question	Question	An item that defines a specific answer to be captured, and which may have child items. (the answer provided in the QuestionnaireResponse should be of the defined datatype).	true
2	boolean	Boolean	Question with a yes/no answer (valueBoolean).
2	decimal	Decimal	Question with is a real number answer (valueDecimal). There is an extension 'http://hl7.org/fhir/StructureDefinition/questionnaire-unit' that can be used to computably convey the unit of measure associated with the answer for use when performing data extraction to an element of type Quantity.
2	integer	Integer	Question with an integer answer (valueInteger). There is an extension 'http://hl7.org/fhir/StructureDefinition/questionnaire-unit' that can be used to computably convey the unit of measure associated with the answer for use when performing data extraction to an element of type Quantity.
2	date	Date	Question with a date answer (valueDate).
2	dateTime	Date Time	Question with a date and time answer (valueDateTime).
2	time	Time	Question with a time (hour:minute:second) answer independent of date. (valueTime).
2	string	String	Question with a short (few words to short sentence) free-text entry answer (valueString). Strings SHOULD NOT contain carriage return or newline characters. If multi-line answers are needed, use the 'text' type.
2	text	Text	Question with a long (potentially multi-paragraph) free-text entry answer (valueString).
2	url	Url	Question with a URL (website, FTP site, etc.) answer (valueUri).
2	coding	Coding	Question with a Coding - generally drawn from a list of possible answers (valueCoding)
2	attachment	Attachment	Question with binary content such as an image, PDF, etc. as an answer (valueAttachment).
2	reference	Reference	Question with a reference to another resource (practitioner, organization, etc.) as an answer (valueReference).
2	quantity	Quantity	Question with a combination of a numeric value and unit as an answer. (valueSimpleQuantity) There are two extensions ('http://hl7.org/fhir/StructureDefinition/questionnaire-unitOption' and 'http://hl7.org/fhir/StructureDefinition/questionnaire-unitValueSet') that can be used to define what unit should be selected for the Quantity.code and Quantity.system.

See the full registry of code systems defined as part of FHIR.

Explanation of the columns that may appear on this page: