<?xml version="1.0" encoding="UTF-8"?><CodeSystem xmlns="http://hl7.org/fhir"><id value="action-participant-function"/><meta><lastUpdated value="2026-03-31T18:55:04.283+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-participant-function</b></p><a name="action-participant-function"> </a><a name="hcaction-participant-function"> </a><p>This case-sensitive code system <code>http://hl7.org/fhir/action-participant-function</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">performer<a name="action-participant-function-performer"> </a></td><td>Performer</td><td>The participant is the performer of the action.</td></tr><tr><td style="white-space:nowrap">author<a name="action-participant-function-author"> </a></td><td>Author</td><td>The participant is the author of the result of the action.</td></tr><tr><td style="white-space:nowrap">reviewer<a name="action-participant-function-reviewer"> </a></td><td>Reviewer</td><td>The participant is reviewing the result of the action.</td></tr><tr><td style="white-space:nowrap">witness<a name="action-participant-function-witness"> </a></td><td>Witness</td><td>The participant is a witness to the action being performed.</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="3"/></extension><url value="http://hl7.org/fhir/action-participant-function"/><identifier><system value="urn:ietf:rfc:3986"/><value value="urn:oid:2.16.840.1.113883.4.642.4.1946"/></identifier><version value="6.0.0-ballot4"/><name value="ActionParticipantFunction"/><title value="Action Participant Function"/><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 function performed by the participant for the action."/><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-participant-function"/><content value="complete"/><concept><code value="performer"/><display value="Performer"/><definition value="The participant is the performer of the action."/></concept><concept><code value="author"/><display value="Author"/><definition value="The participant is the author of the result of the action."/></concept><concept><code value="reviewer"/><display value="Reviewer"/><definition value="The participant is reviewing the result of the action."/></concept><concept><code value="witness"/><display value="Witness"/><definition value="The participant is a witness to the action being performed."/></concept></CodeSystem>