<?xml version="1.0" encoding="UTF-8"?><CodeSystem xmlns="http://hl7.org/fhir"><id value="trigger-type"/><meta><lastUpdated value="2026-04-01T17:59:15.240+00:00"/></meta><text><status value="generated"/><div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: CodeSystem trigger-type</b></p><a name="trigger-type"> </a><a name="hctrigger-type"> </a><p>This case-sensitive code system <code>http://hl7.org/fhir/trigger-type</code> defines the following codes in an undefined 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">named-event<a name="trigger-type-named-event"> </a></td><td>Named Event</td><td>The trigger occurs in response to a specific named event, and no other information about the trigger is specified. Named events are completely pre-coordinated, and the formal semantics of the trigger are not provided.</td></tr><tr><td>1</td><td style="white-space:nowrap">periodic<a name="trigger-type-periodic"> </a></td><td>Periodic</td><td>The trigger occurs at a specific time or periodically as described by a timing or schedule. A periodic event cannot have any data elements, but may have a name assigned as a shorthand for the event.</td></tr><tr><td>1</td><td style="white-space:nowrap">data-changed<a name="trigger-type-data-changed"> </a></td><td>Data Changed</td><td>The trigger occurs whenever data of a particular type is changed in any way, either added, modified, or removed.</td></tr><tr><td>2</td><td style="white-space:nowrap">  data-added<a name="trigger-type-data-added"> </a></td><td>Data Added</td><td>The trigger occurs whenever data of a particular type is added.</td></tr><tr><td>2</td><td style="white-space:nowrap">  data-modified<a name="trigger-type-data-modified"> </a></td><td>Data Updated</td><td>The trigger occurs whenever data of a particular type is modified.</td></tr><tr><td>2</td><td style="white-space:nowrap">  data-removed<a name="trigger-type-data-removed"> </a></td><td>Data Removed</td><td>The trigger occurs whenever data of a particular type is removed.</td></tr><tr><td>1</td><td style="white-space:nowrap">data-accessed<a name="trigger-type-data-accessed"> </a></td><td>Data Accessed</td><td>The trigger occurs whenever data of a particular type is accessed.</td></tr><tr><td>1</td><td style="white-space:nowrap">data-access-ended<a name="trigger-type-data-access-ended"> </a></td><td>Data Access Ended</td><td>The trigger occurs whenever access to data of a particular type is completed.</td></tr><tr><td>1</td><td style="white-space:nowrap">subscription-topic<a name="trigger-type-subscription-topic"> </a></td><td>Subscription Topic</td><td>The trigger occurs as defined by a subscription topic.</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><url value="http://hl7.org/fhir/trigger-type"/><identifier><system value="urn:ietf:rfc:3986"/><value value="urn:oid:2.16.840.1.113883.4.642.4.104"/></identifier><version value="6.0.0-ballot4"/><name value="TriggerType"/><title value="TriggerType"/><status value="active"/><experimental value="false"/><date value="2026-04-01T17:59:15+00:00"/><publisher value="HL7 International / Clinical Decision Support"/><contact><telecom><system value="url"/><value value="http://hl7.org/fhir"/></telecom><telecom><system value="email"/><value value="fhir@lists.hl7.org"/></telecom></contact><contact><telecom><system value="url"/><value value="http://www.hl7.org/Special/committees/dss"/></telecom></contact><description value="The type of trigger."/><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/trigger-type"/><content value="complete"/><concept><code value="named-event"/><display value="Named Event"/><definition value="The trigger occurs in response to a specific named event, and no other information about the trigger is specified. Named events are completely pre-coordinated, and the formal semantics of the trigger are not provided."/></concept><concept><code value="periodic"/><display value="Periodic"/><definition value="The trigger occurs at a specific time or periodically as described by a timing or schedule. A periodic event cannot have any data elements, but may have a name assigned as a shorthand for the event."/></concept><concept><code value="data-changed"/><display value="Data Changed"/><definition value="The trigger occurs whenever data of a particular type is changed in any way, either added, modified, or removed."/><concept><code value="data-added"/><display value="Data Added"/><definition value="The trigger occurs whenever data of a particular type is added."/></concept><concept><code value="data-modified"/><display value="Data Updated"/><definition value="The trigger occurs whenever data of a particular type is modified."/></concept><concept><code value="data-removed"/><display value="Data Removed"/><definition value="The trigger occurs whenever data of a particular type is removed."/></concept></concept><concept><code value="data-accessed"/><display value="Data Accessed"/><definition value="The trigger occurs whenever data of a particular type is accessed."/></concept><concept><code value="data-access-ended"/><display value="Data Access Ended"/><definition value="The trigger occurs whenever access to data of a particular type is completed."/></concept><concept><code value="subscription-topic"/><display value="Subscription Topic"/><definition value="The trigger occurs as defined by a subscription topic."/></concept></CodeSystem>