No_Known_Allergies_Status.xml

<entry typeCode="DRIV">
    <!-- Allergy Concern Act -->
    <act classCode="ACT" moodCode="EVN">
        <templateId root="2.16.840.1.113883.10.20.22.4.30"/>
        <id root="36e3e930-7b14-11db-9fe1-0800200c9a66"/>
        <!-- Review use of 48765-2 with SDWG, consider consistency with problem concern act -->
        <code code="48765-2" codeSystem="2.16.840.1.113883.6.1"
            codeSystemName="LOINC"
            displayName="Allergies, adverse reactions, alerts"/>
        <statusCode code="active"/> <!--currently tracked concerns are active concerns-->
        <effectiveTime>
            <low value="20091201"/> <!--show time when the concern first began being tracked-->
        </effectiveTime>
        <entryRelationship typeCode="SUBJ">
            <!-- No Known Allergies -->
            <observation classCode="OBS" moodCode="EVN" negationInd="true">
                <!-- allergy - intolerance observation template -->
                <templateId root="2.16.840.1.113883.10.20.22.4.7"/>
                <id root="4adc1020-7b14-11db-9fe1-0800200c9a66"/>
                <code code="ASSERTION" codeSystem="2.16.840.1.113883.5.4"/>
                <statusCode code="completed"/>
                <!-- date/time the patient made the assertion -->
                <effectiveTime>
                    <low value="20100103"/>
                </effectiveTime>
                <value xsi:type="CD" code="419199007"
                    displayName="Allergy to substance (disorder)"
                    codeSystem="2.16.840.1.113883.6.96"
                    codeSystemName="SNOMED CT"/>
            </observation>
        </entryRelationship>
    </act>
</entry>