```xml
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<ns4:query_definition xmlns:ns2="http://www.i2b2.org/xsd/cell/crc/psm/1.1/" xmlns:ns4="http://www.i2b2.org/xsd/cell/crc/psm/querydefinition/1.1/" xmlns:ns3="http://www.i2b2.org/xsd/cell/crc/psm/analysisdefinition/1.1/">
    <query_name>Pneumonia due t@20:45:53</query_name>
    <query_timing>ANY</query_timing>
    <specificity_scale>0</specificity_scale>
    <panel>
        <panel_number>1</panel_number>
        <panel_timing>ANY</panel_timing>
        <panel_accuracy_scale>100</panel_accuracy_scale>
        <invert>0</invert>
        <total_item_occurrences>1</total_item_occurrences>
        <item>
            <hlevel>5</hlevel>
            <item_name>Pneumonia due to sars-associated coronavirus</item_name>
            <item_key>\\ICD10_ICD9\Diagnoses\(J00-J99) Dise~45pn\(J09-J18) Infl~7z2l\(J12) Viral pn~6io0\(J12.8) Other~euj2\(J12.81) Pneum~f4r6\</item_key>
            <item_icon>LA</item_icon>
            <tooltip>Diagnoses \ Diseases of the respiratory system (j00-j99) \ Influenza and pneumonia (j09-j18) \ Viral pneumonia, not elsewhere classified
 \ Other viral pneumonia \ Pneumonia due to sars-associated coronavirus</tooltip>
            <class>ENC</class>
            <item_is_synonym>false</item_is_synonym>
        </item>
    </panel>
</ns4:query_definition>

```

I want to find cases of Pneumonia due to SARS-associated coronavirus (J12.81) in the ICD10-ICD9 Diagnoses category, specifically within the subcategory of Diseases of the respiratory system (J00-J9), Influenza and pneumonia (J09-J18), and Other viral pneumonia (J12.8). The specificity scale is set to 0, meaning the query will search for all possible matches, and the query timing is set to ANY, indicating that the search will include past, present, and future occurrences. The panel's accuracy scale is set to 100, meaning the highest level of accuracy is desired, and the panel number and total item occurrences are both set to 1, indicating that only one item is being searched for. The invert parameter is set to 0, meaning the query will search for positive matches only. The query name is "Pneumonia due t@20:45:53" and the tooltip provides additional information on the query structure.