---
type: "codesystem"
title: "Action Relationship Type"
codesystem: "action-relationship-type"
---
# Action Relationship Type

- **Official URL**: http://hl7.org/fhir/action-relationship-type
- **Version**: 6.0.0
- **Status**: active
- **Name**: ActionRelationshipType
- **Title**: Action Relationship Type
- **Publisher**: HL7 (FHIR Project)
- **Description**: Defines the types of relationships between actions.
- **Case Sensitive**: true
- **Content**: complete

## Concepts

| Code | Display | Definition |
| --- | --- | --- |
| before | Before | The action must be performed before the related action. |
| concurrent | Concurrent | The action must be performed concurrent with the related action. |
| after | After | The action must be performed after the related action. |

## CodeSystem XML



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

<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="action-relationship-type"/>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="cds"/>
  </extension>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
    <valueCode value="normative"/>
  </extension>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
    <valueInteger value="3"/>
  </extension>
  <url value="http://hl7.org/fhir/action-relationship-type"/>
  <identifier>
    <system value="urn:ietf:rfc:3986"/>
    <value value="urn:oid:2.16.840.1.113883.4.642.4.814"/>
  </identifier>
  <identifier>
    <use value="old"/>
    <system value="urn:ietf:rfc:3986"/>
    <value value="urn:oid:2.16.840.1.113883.4.642.1.797"/>
  </identifier>
  <version value="6.0.0"/>
  <name value="ActionRelationshipType"/>
  <title value="Action Relationship Type"/>
  <status value="active"/>
  <experimental value="false"/>
  <date value="2021-01-05T10:01:24+11:00"/>
  <publisher value="HL7 (FHIR Project)"/>
  <contact>
    <telecom>
      <system value="url"/>
      <value value="http://hl7.org/fhir"/>
    </telecom>
    <telecom>
      <system value="email"/>
      <value value="fhir@lists.hl7.org"/>
    </telecom>
  </contact>
  <description value="Defines the types of relationships between actions."/>
  <caseSensitive value="true"/>
  <valueSet value="http://hl7.org/fhir/ValueSet/action-relationship-type"/>
  <hierarchyMeaning value="is-a"/>
  <content value="complete"/>
  <concept>
    <code value="before"/>
    <display value="Before"/>
    <definition value="The action must be performed before the related action."/>
    <concept>
      <code value="before-start"/>
      <display value="Before Start"/>
      <definition value="The action must be performed before the start of the related action."/>
    </concept>
    <concept>
      <code value="before-end"/>
      <display value="Before End"/>
      <definition value="The action must be performed before the end of the related action."/>
    </concept>
  </concept>
  <concept>
    <code value="concurrent"/>
    <display value="Concurrent"/>
    <definition value="The action must be performed concurrent with the related action."/>
    <concept>
      <code value="concurrent-with-start"/>
      <display value="Concurrent With Start"/>
      <definition value="The action must be performed concurrent with the start of the related action."/>
    </concept>
    <concept>
      <code value="concurrent-with-end"/>
      <display value="Concurrent With End"/>
      <definition value="The action must be performed concurrent with the end of the related action."/>
    </concept>
  </concept>
  <concept>
    <code value="after"/>
    <display value="After"/>
    <definition value="The action must be performed after the related action."/>
    <concept>
      <code value="after-start"/>
      <display value="After Start"/>
      <definition value="The action must be performed after the start of the related action."/>
    </concept>
    <concept>
      <code value="after-end"/>
      <display value="After End"/>
      <definition value="The action must be performed after the end of the related action."/>
    </concept>
  </concept>
</CodeSystem>
```