<CodeSystem xmlns="http://hl7.org/fhir"> <id value="shr-core-YesNoUnknownCS"/> <text> <status value="generated"/> <div xmlns="http://www.w3.org/1999/xhtml"> <p><b>SW YesNoUnknownCS CodeSystem</b></p> <p>Code set indicating yes, no, or unknown.</p> </div> </text> <url value="http://hl7.org/fhir/us/sw/CodeSystem/shr-core-YesNoUnknownCS"/> <identifier> <system value="http://hl7.org/fhir/us/sw"/> <value value="shr.core.YesNoUnknownCS"/> </identifier> <version value="1.0.0"/> <name value="YesNoUnknownCS"/> <title value="SW YesNoUnknownCS CodeSystem"/> <status value="draft"/> <date value="2018-08-17T00:00:00-04:00"/> <publisher value="HL7 Patient Care and Clinical Information Modeling Initiative Work Groups"/> <contact> <telecom> <system value="url"/> <value value="http://standardhealthrecord.org"/> </telecom> </contact> <description value="Code set indicating yes, no, or unknown."/> <caseSensitive value="true"/> <content value="complete"/> <count value="3"/> <concept> <code value="yes"/> <display value="Yes, or true"/> <definition value="Yes, or true"/> </concept> <concept> <code value="no"/> <display value="No, or false"/> <definition value="No, or false"/> </concept> <concept> <code value="unknown"/> <display value="Unknown"/> <definition value="Unknown"/> </concept> </CodeSystem>