---
type: "codesystem"
title: "Entry Definition Relation Type"
codesystem: "relation-type"
---
# Entry Definition Relation Type

- **Official URL**: http://hl7.org/fhir/relation-type
- **Version**: 6.0.0
- **Name**: EntryDefinitionRelationType
- **Title**: Entry Definition Relation Type
- **Description**: EntryDefinitionRelationType

## Concepts

| Code | Display | Definition |
| --- | --- | --- |
| has-input | Has Input | the related entry represents an item to be provided as input to the current item. |
| has-output | Has Output | the related entry represents an item produced as out put of the current item. |
| uses | Uses | the related entry represents an item (product or material or substance) used by the current item. |
| triggers | Triggers | the related entry represents an activity that may be triggered by the current item. |
| is-replaced-by | Replaced By | the related entry represents an item that replaces the current retired item. |

## CodeSystem XML



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

<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="relation-type"/>
  <meta>
    
  </meta>
  <url value="http://hl7.org/fhir/relation-type"/>
  <identifier>
    <system value="urn:ietf:rfc:3986"/>
    <value value="urn:oid:2.16.840.1.113883.4.642.4.1029"/>
  </identifier>
  <version value="6.0.0"/>
  <name value="EntryDefinitionRelationType"/>
  <title value="Entry Definition Relation Type"/>
  <experimental value="true"/>
  <description value="EntryDefinitionRelationType"/>
  <concept>
    <code value="has-input"/>
    <display value="Has Input"/>
    <definition value="the related entry represents an item to be provided as input to the current item."/>
  </concept>
  <concept>
    <code value="has-output"/>
    <display value="Has Output"/>
    <definition value="the related entry represents an item produced as out put of the current item."/>
  </concept>
  <concept>
    <code value="uses"/>
    <display value="Uses"/>
    <definition value="the related entry represents an item (product or material or substance) used by the current item."/>
  </concept>
  <concept>
    <code value="triggers"/>
    <display value="Triggers"/>
    <definition value="the related entry represents an activity that may be triggered by the current item."/>
  </concept>
  <concept>
    <code value="is-replaced-by"/>
    <display value="Replaced By"/>
    <definition value="the related entry represents an item that replaces the current retired item."/>
  </concept>
</CodeSystem>
```