# Genomic Study Referrer Extension - Genomics Reporting Implementation Guide v4.0.0-cibuild

* [**Table of Contents**](toc.md)
* [**Artifact List**](artifacts.md)
* **Genomic Study Referrer Extension**

## Extension: Genomic Study Referrer Extension 

| | | |
| :--- | :--- | :--- |
| *Official URL*:http://hl7.org/fhir/uv/genomics-reporting/StructureDefinition/genomic-study-referrer-ext | *Version*:4.0.0-cibuild | |
| *Standards status:*[Trial-use](http://hl7.org/fhir/R4/versions.html#std-process) | [Maturity Level](http://hl7.org/fhir/versions.html#maturity): 2 | *Computable Name*:GenomicStudyReferrerExt |

Used to reference to the referrer of the study

**Context of Use**

**Usage info**

**Usages:**

* Use this Extension: [Genomic Study](StructureDefinition-genomic-study.md)
* Examples for this Extension: [Procedure/genomicstudy-trio2](Procedure-genomicstudy-trio2.md)

You can also check for [usages in the FHIR IG Statistics](https://packages2.fhir.org/xig/hl7.fhir.uv.genomics-reporting|current/StructureDefinition/genomic-study-referrer-ext)

### 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-genomic-study-referrer-ext.csv), [Excel](StructureDefinition-genomic-study-referrer-ext.xlsx), [Schematron](StructureDefinition-genomic-study-referrer-ext.sch) 

#### Constraints



## Resource Content

```json
{
  "resourceType" : "StructureDefinition",
  "id" : "genomic-study-referrer-ext",
  "extension" : [
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode" : "cg"
    },
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
      "valueInteger" : 2,
      "_valueInteger" : {
        "extension" : [
          {
            "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
            "valueCanonical" : "http://hl7.org/fhir/uv/genomics-reporting/ImplementationGuide/genomics-reporting"
          }
        ]
      }
    },
    {
      "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/uv/genomics-reporting/ImplementationGuide/genomics-reporting"
          }
        ]
      }
    }
  ],
  "url" : "http://hl7.org/fhir/uv/genomics-reporting/StructureDefinition/genomic-study-referrer-ext",
  "version" : "4.0.0-cibuild",
  "name" : "GenomicStudyReferrerExt",
  "title" : "Genomic Study Referrer Extension",
  "status" : "active",
  "date" : "2025-11-08T00:09:50+00:00",
  "publisher" : "HL7 International / Clinical Genomics",
  "contact" : [
    {
      "name" : "HL7 International / Clinical Genomics",
      "telecom" : [
        {
          "system" : "url",
          "value" : "http://www.hl7.org/Special/committees/clingenomics"
        },
        {
          "system" : "email",
          "value" : "cg@lists.HL7.org"
        }
      ]
    }
  ],
  "description" : "Used to reference to the referrer of the study",
  "jurisdiction" : [
    {
      "coding" : [
        {
          "system" : "http://unstats.un.org/unsd/methods/m49/m49.htm",
          "code" : "001",
          "display" : "World"
        }
      ]
    }
  ],
  "fhirVersion" : "4.0.1",
  "mapping" : [
    {
      "identity" : "rim",
      "uri" : "http://hl7.org/v3",
      "name" : "RIM Mapping"
    }
  ],
  "kind" : "complex-type",
  "abstract" : false,
  "context" : [
    {
      "type" : "element",
      "expression" : "Procedure"
    }
  ],
  "type" : "Extension",
  "baseDefinition" : "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation" : "constraint",
  "differential" : {
    "element" : [
      {
        "id" : "Extension",
        "path" : "Extension",
        "short" : "Genomic Study Referrer Extension",
        "definition" : "Used to reference to the referrer of the study"
      },
      {
        "id" : "Extension.extension",
        "path" : "Extension.extension",
        "max" : "0"
      },
      {
        "id" : "Extension.url",
        "path" : "Extension.url",
        "fixedUri" : "http://hl7.org/fhir/uv/genomics-reporting/StructureDefinition/genomic-study-referrer-ext"
      },
      {
        "id" : "Extension.value[x]",
        "path" : "Extension.value[x]",
        "type" : [
          {
            "code" : "Reference",
            "targetProfile" : [
              "http://hl7.org/fhir/StructureDefinition/Practitioner",
              "http://hl7.org/fhir/StructureDefinition/PractitionerRole"
            ]
          }
        ]
      }
    ]
  }
}

```
