<?xml version="1.0" encoding="UTF-8"?><CodeSystem xmlns="http://hl7.org/fhir"><id value="history-absent-reason"/><meta><lastUpdated value="2024-04-24T00:00:00+00:00"/></meta><text><status value="generated"/><div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: CodeSystem history-absent-reason</b></p><a name="history-absent-reason"> </a><a name="hchistory-absent-reason"> </a><a name="history-absent-reason-en-US"> </a><div style="display: inline-block; background-color: #d9e0e7; padding: 6px; margin: 4px; border: 1px solid #8da1b4; border-radius: 5px; line-height: 60%"><p style="margin-bottom: 0px">Last updated: 2024-04-24 00:00:00+0000</p></div><p>This case-sensitive code system <code>http://terminology.hl7.org/CodeSystem/history-absent-reason</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">subject-unknown<a name="history-absent-reason-subject-unknown"> </a></td><td>Subject Unknown</td><td>Patient does not know the subject, e.g. the biological parent of an adopted patient.</td></tr><tr><td style="white-space:nowrap">withheld<a name="history-absent-reason-withheld"> </a></td><td>Information Withheld</td><td>The patient withheld or refused to share the information.</td></tr><tr><td style="white-space:nowrap">unable-to-obtain<a name="history-absent-reason-unable-to-obtain"> </a></td><td>Unable To Obtain</td><td>Information cannot be obtained; e.g. unconscious patient.</td></tr><tr><td style="white-space:nowrap">deferred<a name="history-absent-reason-deferred"> </a></td><td>Deferred</td><td>Patient does not have the information now, but can provide the information at a later date.</td></tr></table></div></text><extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg"><valueCode value="pc"/></extension><extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm"><valueInteger value="1"/></extension><url value="http://terminology.hl7.org/CodeSystem/history-absent-reason"/><identifier><system value="urn:ietf:rfc:3986"/><value value="urn:oid:2.16.840.1.113883.4.642.1.1094"/></identifier><version value="1.0.1"/><name value="FamilyHistoryAbsentReason"/><title value="FamilyHistoryAbsentReason"/><status value="active"/><experimental value="false"/><date value="2024-04-24T00:00:00+00:00"/><publisher value="Health Level Seven International"/><contact><telecom><system value="url"/><value value="http://hl7.org"/></telecom><telecom><system value="email"/><value value="hq@HL7.org"/></telecom></contact><description value="Codes describing the reason why a family member's history is not available."/><copyright value="This material derives from the HL7 Terminology (THO). THO is copyright ©1989+ Health Level Seven International and is made available under the CC0 designation. For more licensing information see: https://terminology.hl7.org/license"/><caseSensitive value="true"/><valueSet value="http://terminology.hl7.org/ValueSet/history-absent-reason"/><content value="complete"/><concept><code value="subject-unknown"/><display value="Subject Unknown"/><definition value="Patient does not know the subject, e.g. the biological parent of an adopted patient."/><designation><use><system value="http://terminology.hl7.org/CodeSystem/designation-usage"/><code value="display"/></use><value value="Subject Unknown"/></designation></concept><concept><code value="withheld"/><display value="Information Withheld"/><definition value="The patient withheld or refused to share the information."/><designation><use><system value="http://terminology.hl7.org/CodeSystem/designation-usage"/><code value="display"/></use><value value="Information Withheld"/></designation></concept><concept><code value="unable-to-obtain"/><display value="Unable To Obtain"/><definition value="Information cannot be obtained; e.g. unconscious patient."/><designation><use><system value="http://terminology.hl7.org/CodeSystem/designation-usage"/><code value="display"/></use><value value="Unable To Obtain"/></designation></concept><concept><code value="deferred"/><display value="Deferred"/><definition value="Patient does not have the information now, but can provide the information at a later date."/><designation><use><system value="http://terminology.hl7.org/CodeSystem/designation-usage"/><code value="display"/></use><value value="Deferred"/></designation></concept></CodeSystem>