<?xml version="1.0" encoding="UTF-8"?><CodeSystem xmlns="http://hl7.org/fhir"><id value="action-code"/><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-code</b></p><a name="action-code"> </a><a name="hcaction-code"> </a><p>This case-sensitive code system <code>http://hl7.org/fhir/action-code</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">send-message<a name="action-code-send-message"> </a></td><td>Send a message</td><td>The action indicates that a particular message should be sent to a participant in the process.</td></tr><tr><td style="white-space:nowrap">collect-information<a name="action-code-collect-information"> </a></td><td>Collect information</td><td>The action indicates that information should be collected from a participant in the process.</td></tr><tr><td style="white-space:nowrap">prescribe-medication<a name="action-code-prescribe-medication"> </a></td><td>Prescribe a medication</td><td>The action indicates that a particular medication should be prescribed to the patient.</td></tr><tr><td style="white-space:nowrap">recommend-immunization<a name="action-code-recommend-immunization"> </a></td><td>Recommend an immunization</td><td>The action indicates that a particular immunization should be performed.</td></tr><tr><td style="white-space:nowrap">order-service<a name="action-code-order-service"> </a></td><td>Order a service</td><td>The action indicates that a particular service should be provided.</td></tr><tr><td style="white-space:nowrap">propose-diagnosis<a name="action-code-propose-diagnosis"> </a></td><td>Propose a diagnosis</td><td>The action indicates that a particular diagnosis should be proposed.</td></tr><tr><td style="white-space:nowrap">record-detected-issue<a name="action-code-record-detected-issue"> </a></td><td>Record a detected issue</td><td>The action indicates that a particular detected issue should be recorded.</td></tr><tr><td style="white-space:nowrap">record-inference<a name="action-code-record-inference"> </a></td><td>Record an inference</td><td>The action indicates that a particular inference should be recorded.</td></tr><tr><td style="white-space:nowrap">report-flag<a name="action-code-report-flag"> </a></td><td>Report a flag</td><td>The action indicates that a particular flag should be reported.</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="informative"/></extension><extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm"><valueInteger value="1"/></extension><url value="http://hl7.org/fhir/action-code"/><identifier><system value="urn:ietf:rfc:3986"/><value value="urn:oid:2.16.840.1.113883.4.642.4.1944"/></identifier><version value="6.0.0-ballot4"/><name value="ActionCode"/><title value="Action Code"/><status value="active"/><experimental value="false"/><date value="2020-12-28T16:55:11+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="Provides examples of actions to be performed."/><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-code"/><content value="complete"/><concept><code value="send-message"/><display value="Send a message"/><definition value="The action indicates that a particular message should be sent to a participant in the process."/></concept><concept><code value="collect-information"/><display value="Collect information"/><definition value="The action indicates that information should be collected from a participant in the process."/></concept><concept><code value="prescribe-medication"/><display value="Prescribe a medication"/><definition value="The action indicates that a particular medication should be prescribed to the patient."/></concept><concept><code value="recommend-immunization"/><display value="Recommend an immunization"/><definition value="The action indicates that a particular immunization should be performed."/></concept><concept><code value="order-service"/><display value="Order a service"/><definition value="The action indicates that a particular service should be provided."/></concept><concept><code value="propose-diagnosis"/><display value="Propose a diagnosis"/><definition value="The action indicates that a particular diagnosis should be proposed."/></concept><concept><code value="record-detected-issue"/><display value="Record a detected issue"/><definition value="The action indicates that a particular detected issue should be recorded."/></concept><concept><code value="record-inference"/><display value="Record an inference"/><definition value="The action indicates that a particular inference should be recorded."/></concept><concept><code value="report-flag"/><display value="Report a flag"/><definition value="The action indicates that a particular flag should be reported."/></concept></CodeSystem>