Release 4 Value Set

FHIR Infrastructure Work Group Maturity Level: 3Trial Use Use Context: Any

This is a value set defined by the FHIR project.


Defining URL:

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

Committee:FHIR Infrastructure Work Group
OID:2.16.840.1.113883.4.642.3.444 (for OID based terminology systems)
Source ResourceXML / JSON

This value set is used in the following places:

This value set includes codes from the following code systems:


This expansion generated 21 Jan 2021

This value set contains 16 concepts

Expansion based on version 4.0.1

All codes from system

0groupGroupAn item with no direct answer but should have at least one child item.
0displayDisplayText for display that will not capture an answer or have child items.
0questionQuestionAn 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).
1  booleanBooleanQuestion with a yes/no answer (valueBoolean).
1  decimalDecimalQuestion with is a real number answer (valueDecimal).
1  integerIntegerQuestion with an integer answer (valueInteger).
1  dateDateQuestion with a date answer (valueDate).
1  dateTimeDate TimeQuestion with a date and time answer (valueDateTime).
1  timeTimeQuestion with a time (hour:minute:second) answer independent of date. (valueTime).
1  stringStringQuestion with a short (few words to short sentence) free-text entry answer (valueString).
1  textTextQuestion with a long (potentially multi-paragraph) free-text entry answer (valueString).
1  urlUrlQuestion with a URL (website, FTP site, etc.) answer (valueUri).
1  choiceChoiceQuestion 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).
1  open-choiceOpen ChoiceAnswer is a Coding drawn from a list of possible answers (as with the choice type) or a free-text entry in a string (valueCoding or valueString).
1  attachmentAttachmentQuestion with binary content such as an image, PDF, etc. as an answer (valueAttachment).
1  referenceReferenceQuestion with a reference to another resource (practitioner, organization, etc.) as an answer (valueReference).
1  quantityQuantityQuestion with a combination of a numeric value and unit, potentially with a comparator (<, >, etc.) as an answer. (valueQuantity) There is an extension '' that can be used to define what unit should be captured (or the unit that has a ucum conversion from the provided unit).


See the full registry of value sets defined as part of FHIR.

Explanation of the columns that may appear on this page:

LvlA few code lists that FHIR defines are hierarchical - each code is assigned a level. For value sets, levels are mostly used to organize codes for user convenience, but may follow code system hierarchy - see Code System for further information
SourceThe source of the definition of the code (when the value set draws in codes defined elsewhere)
CodeThe code (used as the code in the resource instance). If the code is in italics, this indicates that the code is not selectable ('Abstract')
DisplayThe display (used in the display element of a Coding). If there is no display, implementers should not simply display the code, but map the concept into their application
DefinitionAn explanation of the meaning of the concept
CommentsAdditional notes about how to use the code