> ## Documentation Index
> Fetch the complete documentation index at: https://docs.metriport.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Questionnaire

> A structured set of questions intended to guide the collection of answers from end-users. Questionnaires provide detailed control over order, presentation, phraseology and grouping to allow coherent, consistent data collection.

## Properties

| Name | Required | Type | Description |
| - | - | - | - |
| url | No | uri | Canonical identifier for this questionnaire, represented as a URI (globally unique) |
| identifier | No | [Identifier](/medical-api/fhir/data-types/identifier)\[] | Additional identifier for the questionnaire |
| version | No | string | Business version of the questionnaire |
| name | No | string | Name for this questionnaire (computer friendly) |
| title | No | string | Name for this questionnaire (human friendly) |
| derivedFrom | No | canonical\[] | Instantiates protocol or definition |
| status | Yes | code | draft / active / retired / unknown |
| experimental | No | boolean | For testing purposes, not real usage |
| subjectType | No | code\[] | Resource that can be subject of QuestionnaireResponse |
| date | No | dateTime | Date last changed |
| publisher | No | string | Name of the publisher (organization or individual) |
| contact | No | [ContactDetail](/medical-api/fhir/data-types/contactdetail)\[] | Contact details for the publisher |
| description | No | markdown | Natural language description of the questionnaire |
| useContext | No | [UsageContext](/medical-api/fhir/data-types/usagecontext)\[] | The context that the content is intended to support |
| jurisdiction | No | [CodeableConcept](/medical-api/fhir/data-types/codeableconcept)\[] | Intended jurisdiction for questionnaire (if applicable) |
| purpose | No | markdown | Why this questionnaire is defined |
| copyright | No | markdown | Use and/or publishing restrictions |
| approvalDate | No | date | When the questionnaire was approved by publisher |
| lastReviewDate | No | date | When the questionnaire was last reviewed |
| effectivePeriod | No | [Period](/medical-api/fhir/data-types/period) | When the questionnaire is expected to be used |
| code | No | [Coding](/medical-api/fhir/data-types/coding)\[] | Concept that represents the overall questionnaire |
| item | No | QuestionnaireItem | Questions and sections within the Questionnaire |
| - id | No | string | Unique id for inter-element referencing |
| - extension | No | [Extension](/medical-api/fhir/data-types/extension)\[] | Additional content defined by implementations |
| - modifierExtension | No | [Extension](/medical-api/fhir/data-types/extension)\[] | Extensions that cannot be ignored even if unrecognized |
| - linkId | Yes | string | Unique id for item in questionnaire |
| - definition | No | uri | ElementDefinition - details for the item |
| - code | No | [Coding](/medical-api/fhir/data-types/coding)\[] | Corresponding concept for this item in a terminology |
| - prefix | No | string | E.g. "1(a)", "2.5.3" |
| - text | No | string | Primary text for the item |
| - type | Yes | code | group / display / boolean / decimal / integer / date / dateTime + |
| - enableWhen | No | QuestionnaireItemEnableWhen | Only allow data when |
| - id | No | string | Unique id for inter-element referencing |
| - extension | No | [Extension](/medical-api/fhir/data-types/extension)\[] | Additional content defined by implementations |
| - modifierExtension | No | [Extension](/medical-api/fhir/data-types/extension)\[] | Extensions that cannot be ignored even if unrecognized |
| - question | Yes | string | Question that determines whether item is enabled |
| - operator | Yes | code | exists / = / != / > / \< / >= / \<= |
| - answer\[x] | Yes | boolean, decimal, integer, date, dateTime, time, string, [Coding](/medical-api/fhir/data-types/coding), [Quantity](/medical-api/fhir/data-types/quantity), Reference\<Resource> | Value for question comparison based on operator |
| - enableBehavior | No | code | all / any |
| - required | No | boolean | Whether the item must be included in data results |
| - repeats | No | boolean | Whether the item may repeat |
| - readOnly | No | boolean | Don't allow human editing |
| - maxLength | No | integer | No more than this many characters |
| - answerValueSet | No | canonical | Valueset containing permitted answers |
| - answerOption | No | QuestionnaireItemAnswerOption | Permitted answer |
| - id | No | string | Unique id for inter-element referencing |
| - extension | No | [Extension](/medical-api/fhir/data-types/extension)\[] | Additional content defined by implementations |
| - modifierExtension | No | [Extension](/medical-api/fhir/data-types/extension)\[] | Extensions that cannot be ignored even if unrecognized |
| - value\[x] | Yes | integer, date, time, string, [Coding](/medical-api/fhir/data-types/coding), Reference\<Resource> | Answer value |
| - initialSelected | No | boolean | Whether option is selected by default |
| - initial | No | QuestionnaireItemInitial | Initial value(s) when item is first rendered |
| - id | No | string | Unique id for inter-element referencing |
| - extension | No | [Extension](/medical-api/fhir/data-types/extension)\[] | Additional content defined by implementations |
| - modifierExtension | No | [Extension](/medical-api/fhir/data-types/extension)\[] | Extensions that cannot be ignored even if unrecognized |
| - value\[x] | Yes | boolean, decimal, integer, date, dateTime, time, string, uri, [Attachment](/medical-api/fhir/data-types/attachment), [Coding](/medical-api/fhir/data-types/coding), [Quantity](/medical-api/fhir/data-types/quantity), Reference\<Resource> | Actual value for initializing the question |
| - item | No | \[] | Nested questionnaire items |

## Search Parameters

| Name | Type | Description | Expression |
| - | - | - | - |
| code | token | A code that corresponds to one of its items in the questionnaire | Questionnaire.item.code |
| context | token | A use context assigned to the questionnaire | Questionnaire.useContext.value |
| context-quantity | quantity | A quantity- or range-valued use context assigned to the questionnaire | Questionnaire.useContext.value |
| context-type | token | A type of use context assigned to the questionnaire | Questionnaire.useContext.code |
| date | date | The questionnaire publication date | Questionnaire.date |
| definition | uri | ElementDefinition - details for the item | Questionnaire.item.definition |
| description | string | The description of the questionnaire | Questionnaire.description |
| effective | date | The time during which the questionnaire is intended to be in use | Questionnaire.effectivePeriod |
| identifier | token | External identifier for the questionnaire | Questionnaire.identifier |
| jurisdiction | token | Intended jurisdiction for the questionnaire | Questionnaire.jurisdiction |
| name | string | Computationally friendly name of the questionnaire | Questionnaire.name |
| publisher | string | Name of the publisher of the questionnaire | Questionnaire.publisher |
| status | token | The current status of the questionnaire | Questionnaire.status |
| subject-type | token | Resource that can be subject of QuestionnaireResponse | Questionnaire.subjectType |
| title | string | The human-friendly name of the questionnaire | Questionnaire.title |
| url | uri | The uri that identifies the questionnaire | Questionnaire.url |
| version | token | The business version of the questionnaire | Questionnaire.version |
| context-type-quantity | composite | A use context type and quantity- or range-based value assigned to the questionnaire | Questionnaire.useContext |
| context-type-value | composite | A use context type and value assigned to the questionnaire | Questionnaire.useContext |

## Inherited Properties

| Name | Required | Type | Description |
| - | - | - | - |
| id | No | string | Logical id of this artifact |
| meta | No | [Meta](/medical-api/fhir/data-types/meta) | Metadata about the resource |
| implicitRules | No | uri | A set of rules under which this content was created |
| language | No | code | Language of the resource content |
| text | No | [Narrative](/medical-api/fhir/data-types/narrative) | Text summary of the resource, for human interpretation |
| contained | No | Resource\[] | Contained, inline Resources |
| extension | No | [Extension](/medical-api/fhir/data-types/extension)\[] | Additional content defined by implementations |
| modifierExtension | No | [Extension](/medical-api/fhir/data-types/extension)\[] | Extensions that cannot be ignored |

To view the FHIR specification for this resource, see [Questionnaire](https://www.hl7.org/fhir/StructureDefinition/Questionnaire).


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