<?xml version="1.0" encoding="UTF-8"?><CodeSystem xmlns="http://hl7.org/fhir"><id value="audit-event-action"/><meta><lastUpdated value="2026-03-31T17:06:59.649+00:00"/></meta><text><status value="generated"/><div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: CodeSystem audit-event-action</b></p><a name="audit-event-action"> </a><a name="hcaudit-event-action"> </a><p>This case-sensitive code system <code>http://hl7.org/fhir/audit-event-action</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">C<a name="audit-event-action-C"> </a></td><td>Create</td><td>Create a new database object, such as placing an order.</td></tr><tr><td style="white-space:nowrap">R<a name="audit-event-action-R"> </a></td><td>Read</td><td>Read data, such as to print or display to a doctor.</td></tr><tr><td style="white-space:nowrap">U<a name="audit-event-action-U"> </a></td><td>Update</td><td>Update data, such as revise patient information.</td></tr><tr><td style="white-space:nowrap">D<a name="audit-event-action-D"> </a></td><td>Delete</td><td>Delete items, such as a doctor master file record.</td></tr><tr><td style="white-space:nowrap">E<a name="audit-event-action-E"> </a></td><td>Execute</td><td>Perform a system or application function such as log-on, program execution or use of an object's method, or perform a query/search operation.</td></tr></table></div></text><extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg"><valueCode value="sec"/></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="6"/></extension><url value="http://hl7.org/fhir/audit-event-action"/><identifier><system value="urn:ietf:rfc:3986"/><value value="urn:oid:2.16.840.1.113883.4.642.4.453"/></identifier><identifier><use value="old"/><system value="urn:ietf:rfc:3986"/><value value="urn:oid:2.16.840.1.113883.4.642.1.446"/></identifier><identifier><use value="old"/><system value="urn:ietf:rfc:3986"/><value value="urn:oid:2.16.840.1.113883.4.642.2.263"/></identifier><version value="6.0.0-ballot4"/><name value="AuditEventAction"/><title value="Audit Event Action"/><status value="active"/><experimental value="false"/><date value="2025-11-01"/><publisher value="HL7 International / Security"/><contact><telecom><system value="url"/><value value="http://www.hl7.org/Special/committees/secure"/></telecom><telecom><system value="email"/><value value="fhir@lists.hl7.org"/></telecom></contact><description value="Indicator codes for type of action performed during the event that generated the event."/><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/audit-event-action"/><content value="complete"/><concept><code value="C"/><display value="Create"/><definition value="Create a new database object, such as placing an order."/></concept><concept><code value="R"/><display value="Read"/><definition value="Read data, such as to print or display to a doctor."/></concept><concept><code value="U"/><display value="Update"/><definition value="Update data, such as revise patient information."/></concept><concept><code value="D"/><display value="Delete"/><definition value="Delete items, such as a doctor master file record."/></concept><concept><code value="E"/><display value="Execute"/><definition value="Perform a system or application function such as log-on, program execution or use of an object's method, or perform a query/search operation."/></concept></CodeSystem>