# US Core Extension Questionnaire URI - US Core Implementation Guide v9.0.0

* [**Table of Contents**](toc.md)
* [**Artifacts Summary**](artifacts.md)
* **US Core Extension Questionnaire URI**

## Extension: US Core Extension Questionnaire URI 

| | | |
| :--- | :--- | :--- |
| *Official URL*:http://hl7.org/fhir/us/core/StructureDefinition/us-core-extension-questionnaire-uri | *Version*:9.0.0 | |
| * Standards status: *[Trial-use](http://hl7.org/fhir/R4/versions.html#std-process) | [Maturity Level](changes-between-versions.md#us-core-maturity-levels): 3 | *Computable Name*:USCoreExtensionQuestionnaireUri |
| *Other Identifiers:*OID:2.16.840.1.113883.4.642.40.2.42.26 | | |

The location where a non-FHIR questionnaire/survey form can be found. This extension is used when the survey, form, or questionnaire which is being answered is not a FHIR [Questionnaire](https://www.hl7.org/fhir/questionnaire.html), otherwise the [canonical url](https://www.hl7.org/fhir/references.html#canonical) for the FHIR Questionnaire is used.

**Context of Use**

**Usage info**

**Usages:**

* Use this Extension: [US Core QuestionnaireResponse Profile](StructureDefinition-us-core-questionnaireresponse.md)
* Examples for this Extension: [QuestionnaireResponse/glascow-coma-score](QuestionnaireResponse-glascow-coma-score.md) and [QuestionnaireResponse/hunger-vital-sign-example](QuestionnaireResponse-hunger-vital-sign-example.md)

You can also check for [usages in the FHIR IG Statistics](https://packages2.fhir.org/xig/resource/hl7.fhir.us.core|current/StructureDefinition/StructureDefinition-us-core-extension-questionnaire-uri.json)

**Changes since version 8.0.1:**

* The resource metadata has changed (copyright)

### Formal Views of Extension Content

 [Description of Profiles, Differentials, Snapshots, and how the XML and JSON presentations work](http://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#structure-definitions). 

 

Other representations of profile: [CSV](StructureDefinition-us-core-extension-questionnaire-uri.csv), [Excel](StructureDefinition-us-core-extension-questionnaire-uri.xlsx), [Schematron](StructureDefinition-us-core-extension-questionnaire-uri.sch) 

#### Constraints



## Resource Content

```json
{
  "resourceType" : "StructureDefinition",
  "id" : "us-core-extension-questionnaire-uri",
  "extension" : [{
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger" : 3
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode" : "cgp"
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode" : "trial-use",
    "_valueCode" : {
      "extension" : [{
        "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
        "valueCanonical" : "http://hl7.org/fhir/us/core/ImplementationGuide/hl7.fhir.us.core"
      }]
    }
  }],
  "url" : "http://hl7.org/fhir/us/core/StructureDefinition/us-core-extension-questionnaire-uri",
  "identifier" : [{
    "system" : "urn:ietf:rfc:3986",
    "value" : "urn:oid:2.16.840.1.113883.4.642.40.2.42.26"
  }],
  "version" : "9.0.0",
  "name" : "USCoreExtensionQuestionnaireUri",
  "title" : "US Core Extension Questionnaire URI",
  "status" : "active",
  "experimental" : false,
  "date" : "2022-03-28",
  "publisher" : "HL7 International / Cross-Group Projects",
  "contact" : [{
    "name" : "HL7 International / Cross-Group Projects",
    "telecom" : [{
      "system" : "url",
      "value" : "http://www.hl7.org/Special/committees/cgp"
    },
    {
      "system" : "email",
      "value" : "cgp@lists.HL7.org"
    }]
  }],
  "description" : "The location where a non-FHIR questionnaire/survey form can be found. This extension is used when the survey, form, or questionnaire which is being answered is not a FHIR [Questionnaire](https://www.hl7.org/fhir/questionnaire.html), otherwise the [canonical url](https://www.hl7.org/fhir/references.html#canonical) for the FHIR Questionnaire is used.",
  "jurisdiction" : [{
    "coding" : [{
      "system" : "urn:iso:std:iso:3166",
      "code" : "US"
    }]
  }],
  "fhirVersion" : "4.0.1",
  "mapping" : [{
    "identity" : "rim",
    "uri" : "http://hl7.org/v3",
    "name" : "RIM Mapping"
  }],
  "kind" : "complex-type",
  "abstract" : false,
  "context" : [{
    "type" : "element",
    "expression" : "QuestionnaireResponse.questionnaire"
  }],
  "type" : "Extension",
  "baseDefinition" : "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation" : "constraint",
  "differential" : {
    "element" : [{
      "id" : "Extension",
      "path" : "Extension",
      "short" : "The location where a non-FHIR questionnaire/survey form can be found.",
      "definition" : "This extension is used when the survey,form, or questionnaire which is being anwered is not a FHIR [Questionnaire](https://www.hl7.org/fhir/questionnaire.html), otherwise the [canonical url](https://www.hl7.org/fhir/questionnaire.html#canonical) for the FHIR Questionnaire is used.",
      "min" : 0,
      "max" : "1"
    },
    {
      "id" : "Extension.url",
      "path" : "Extension.url",
      "type" : [{
        "code" : "uri"
      }],
      "fixedUri" : "http://hl7.org/fhir/us/core/StructureDefinition/us-core-extension-questionnaire-uri"
    },
    {
      "id" : "Extension.value[x]",
      "path" : "Extension.value[x]",
      "type" : [{
        "code" : "uri"
      }]
    }]
  }
}

```
