---
type: "codesystem"
title: "Research Element Type"
codesystem: "research-element-type"
---
# Research Element Type

- **Official URL**: http://hl7.org/fhir/research-element-type
- **Version**: 6.0.0
- **Name**: ResearchElementType
- **Title**: Research Element Type
- **Description**: ResearchElementType

## Concepts

| Code | Display | Definition |
| --- | --- | --- |
| population | Population | The element defines the population that forms the basis for research. |
| exposure | Exposure | The element defines an exposure within the population that is being researched. |
| outcome | Outcome | The element defines an outcome within the population that is being researched. |

## CodeSystem XML



```xml
<?xml version="1.0" encoding="UTF-8"?>

<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="research-element-type"/>
  <meta>
    
  </meta>
  <url value="http://hl7.org/fhir/research-element-type"/>
  <identifier>
    <system value="urn:ietf:rfc:3986"/>
    <value value="urn:oid:2.16.840.1.113883.4.642.4.1342"/>
  </identifier>
  <version value="6.0.0"/>
  <name value="ResearchElementType"/>
  <title value="Research Element Type"/>
  <experimental value="true"/>
  <description value="ResearchElementType"/>
  <concept>
    <code value="population"/>
    <display value="Population"/>
    <definition value="The element defines the population that forms the basis for research."/>
  </concept>
  <concept>
    <code value="exposure"/>
    <display value="Exposure"/>
    <definition value="The element defines an exposure within the population that is being researched."/>
  </concept>
  <concept>
    <code value="outcome"/>
    <display value="Outcome"/>
    <definition value="The element defines an outcome within the population that is being researched."/>
  </concept>
</CodeSystem>
```