No_Known_Allergies_Status_with_Author_Timestamp.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"/>
        <!-- SDWG supports 48765-2 or CONC in the code element -->
        <code code="CONC" codeSystem="2.16.840.1.113883.5.6"/>
        <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 -->
            <!-- The negationInd = true negates the observation/value -->
            <!-- The use of negationInd corresponds with the newer Observation.valueNegationInd -->
            <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"/>
                <!-- N/A - author/time records when this assertion was made -->
                <effectiveTime>
                    <low nullFlavor= "NA" />
                </effectiveTime>
                <value xsi:type="CD" code="419199007"
                    displayName="Allergy to substance (disorder)"
                    codeSystem="2.16.840.1.113883.6.96"
                    codeSystemName="SNOMED CT"/>
                <author>
                    <time value="20100103"/>
                    <assignedAuthor>
                        <id extension="99999999" root="2.16.840.1.113883.4.6"/>
                        <code code="200000000X" codeSystem="2.16.840.1.113883.6.101"
                            displayName="Allopathic &amp; Osteopathic Physicians"/>
                        <telecom use="WP" value="tel:555-555-1002"/>
                        <assignedPerson>
                            <name>
                                <given>Henry</given>
                                <family>Seven</family>
                            </name>
                        </assignedPerson>
                    </assignedAuthor>
                </author>
                <!-- In C-CDA R2 the participant is required. The SNOMED code ="105590001" displayName="Substance" could be used in the participant-->
            </observation>
        </entryRelationship>
    </act>
</entry>