<?xml version="1.0" encoding="UTF-8"?><ValueSet xmlns="http://hl7.org/fhir"><id value="substance-optical-activity"/><meta><lastUpdated value="2026-04-01T11:29:14.669+00:00"/></meta><text><status value="generated"/><div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: ValueSet substance-optical-activity</b></p><a name="substance-optical-activity"> </a><a name="hcsubstance-optical-activity"> </a><ul><li>Include all codes defined in <a href="codesystem-substance-optical-activity.html"><code>http://hl7.org/fhir/substance-optical-activity</code></a><span title="Version is not explicitly stated, which means it is fixed to the version provided in this specification"> version 📦6.0.0-ballot4</span></li></ul></div></text><extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg"><valueCode value="brr"/></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/ValueSet/substance-optical-activity"/><identifier><system value="urn:ietf:rfc:3986"/><value value="urn:oid:2.16.840.1.113883.4.642.3.3250"/></identifier><version value="6.0.0-ballot4"/><name value="OpticalActivity"/><title value="Optical Activity"/><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="The optical rotation type of a substance."/><jurisdiction><coding><system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/><code value="001"/><display value="World"/></coding></jurisdiction><immutable value="true"/><compose><include><system value="http://hl7.org/fhir/substance-optical-activity"/></include></compose></ValueSet>