<?xml version="1.0" encoding="UTF-8"?><CodeSystem xmlns="http://hl7.org/fhir"><id value="subscription-notification-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 subscription-notification-type</b></p><a name="subscription-notification-type"> </a><a name="hcsubscription-notification-type"> </a><p>This case-sensitive code system <code>http://hl7.org/fhir/subscription-notification-type</code> defines the following codes:</p><table class="codes"><tr><td style="white-space:nowrap"><b>Code</b></td><td><b>Display</b></td><td><b>Definition</b></td></tr><tr><td style="white-space:nowrap">handshake<a name="subscription-notification-type-handshake"> </a></td><td>Handshake</td><td>The status was generated as part of the setup or verification of a communications channel.</td></tr><tr><td style="white-space:nowrap">heartbeat<a name="subscription-notification-type-heartbeat"> </a></td><td>Heartbeat</td><td>The status was generated to perform a heartbeat notification to the subscriber.</td></tr><tr><td style="white-space:nowrap">event-notification<a name="subscription-notification-type-event-notification"> </a></td><td>Event Notification</td><td>The status was generated for an event to the subscriber.</td></tr><tr><td style="white-space:nowrap">query-status<a name="subscription-notification-type-query-status"> </a></td><td>Query Status</td><td>The status was generated in response to a status query/request.</td></tr><tr><td style="white-space:nowrap">query-event<a name="subscription-notification-type-query-event"> </a></td><td>Query Event</td><td>The status was generated in response to an event query/request.</td></tr></table></div></text><extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg"><valueCode value="fhir"/></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="2"/></extension><url value="http://hl7.org/fhir/subscription-notification-type"/><identifier><system value="urn:ietf:rfc:3986"/><value value="urn:oid:2.16.840.1.113883.4.642.4.2027"/></identifier><version value="6.0.0-ballot4"/><name value="SubscriptionNotificationType"/><title value="Subscription Notification 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="The type of notification represented by the status message."/><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/subscription-notification-type"/><content value="complete"/><concept><code value="handshake"/><display value="Handshake"/><definition value="The status was generated as part of the setup or verification of a communications channel."/></concept><concept><code value="heartbeat"/><display value="Heartbeat"/><definition value="The status was generated to perform a heartbeat notification to the subscriber."/></concept><concept><code value="event-notification"/><display value="Event Notification"/><definition value="The status was generated for an event to the subscriber."/></concept><concept><code value="query-status"/><display value="Query Status"/><definition value="The status was generated in response to a status query/request."/></concept><concept><code value="query-event"/><display value="Query Event"/><definition value="The status was generated in response to an event query/request."/></concept></CodeSystem>