<?xml version="1.0" encoding="UTF-8"?><CodeSystem xmlns="http://hl7.org/fhir"><id value="action-relationship-type"/><meta><lastUpdated value="2026-03-16T22:59:53.445+00:00"/></meta><text><status value="generated"/><div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: CodeSystem action-relationship-type</b></p><a name="action-relationship-type"> </a><a name="hcaction-relationship-type"> </a><p>This case-sensitive code system <code>http://hl7.org/fhir/action-relationship-type</code> defines the following codes in a Is-A hierarchy:</p><table class="codes"><tr><td><b>Lvl</b></td><td style="white-space:nowrap"><b>Code</b></td><td><b>Display</b></td><td><b>Definition</b></td></tr><tr><td>1</td><td style="white-space:nowrap">before<a name="action-relationship-type-before"> </a></td><td>Before</td><td>The action must be performed before the related action.</td></tr><tr><td>2</td><td style="white-space:nowrap">  before-start<a name="action-relationship-type-before-start"> </a></td><td>Before Start</td><td>The action must be performed before the start of the related action.</td></tr><tr><td>2</td><td style="white-space:nowrap">  before-end<a name="action-relationship-type-before-end"> </a></td><td>Before End</td><td>The action must be performed before the end of the related action.</td></tr><tr><td>1</td><td style="white-space:nowrap">concurrent<a name="action-relationship-type-concurrent"> </a></td><td>Concurrent</td><td>The action must be performed concurrent with the related action.</td></tr><tr><td>2</td><td style="white-space:nowrap">  concurrent-with-start<a name="action-relationship-type-concurrent-with-start"> </a></td><td>Concurrent With Start</td><td>The action must be performed concurrent with the start of the related action.</td></tr><tr><td>2</td><td style="white-space:nowrap">  concurrent-with-end<a name="action-relationship-type-concurrent-with-end"> </a></td><td>Concurrent With End</td><td>The action must be performed concurrent with the end of the related action.</td></tr><tr><td>1</td><td style="white-space:nowrap">after<a name="action-relationship-type-after"> </a></td><td>After</td><td>The action must be performed after the related action.</td></tr><tr><td>2</td><td style="white-space:nowrap">  after-start<a name="action-relationship-type-after-start"> </a></td><td>After Start</td><td>The action must be performed after the start of the related action.</td></tr><tr><td>2</td><td style="white-space:nowrap">  after-end<a name="action-relationship-type-after-end"> </a></td><td>After End</td><td>The action must be performed after the end of the related action.</td></tr></table></div></text><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="4"/></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-ballot4"/><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."/><jurisdiction><coding><system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/><code value="001"/><display value="World"/></coding></jurisdiction><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>