```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>ALBUMIN (LOINC:@19:40:53</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>ALBUMIN (LOINC:1751-7)</item_name>
            <item_key>\\i2b2_LABS\i2b2\Labtests\LAB\(LLB16) Chemistry\(LLB21) General Chemistries\ALB\LOINC:1751-7\</item_key>
            <item_icon>LA</item_icon>
            <tooltip>Labtests \ Chemistry \ General Chemistries \ Albumin (Group:ALB) \ Albumin (LOINC:1751-7)</tooltip>
            <class>ENC</class>
            <constrain_by_value>
                <value_operator>LT</value_operator>
                <value_constraint>33</value_constraint>
                <value_unit_of_measure>g/dl</value_unit_of_measure>
                <value_type>NUMBER</value_type>
            </constrain_by_value>
            <item_is_synonym>false</item_is_synonym>
        </item>
    </panel>
</ns4:query_definition>

```

I want to find all instances where the albumin level (LOINC code 1751-7) in a patient's lab results is less than 3 g/dl, at any time during their medical history, with a high level of accuracy, and grouped under the panel named "ALBUMIN (LOINC:@19:40:53" for analysis.