Da Vinci Clinical Data Exchange (CDex)
2.1.0 - STU 2.1

Da Vinci Clinical Data Exchange (CDex), published by HL7 International / Payer/Provider Information Exchange Work Group. This guide is not an authorized publication; it is the continuous build for version 2.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/davinci-ecdx/ and changes regularly. See the Directory of published versions

## : Direct Query for Patient's HbA1c Test Results - XML Representation

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    <Bundle xmlns="http://hl7.org/fhir">
      <id value="cdex-searchbundle-scenario2-example"/>
      <type value="searchset"/>
      <total value="4"/>
      <link>
        <relation value="self"/>
        <url
             value="http://hapi.fhir.org/baseR4/Observation?code=4548-4&amp;date=gt2020-01-01&amp;patient=06e1f0dd-5fbe-4480-9bb4-6b54ec02d31b"/>
      </link>
      <entry>
        <fullUrl
                 value="http://hapi.fhir.org/baseR4/Observation/cdex-2020-01-23-hba1c-example"/>
        <resource>
          <Observation>
            <id value="cdex-2020-01-23-hba1c-example"/>
            <text>
              <status value="generated"/>
              <div xmlns="http://www.w3.org/1999/xhtml"><a name="Observation_cdex-2020-01-23-hba1c-example"> </a><p class="res-header-id"><b>Generated Narrative: Observation cdex-2020-01-23-hba1c-example</b></p><a name="cdex-2020-01-23-hba1c-example"> </a><a name="hccdex-2020-01-23-hba1c-example"> </a><p><b>status</b>: Final</p><p><b>category</b>: <span title="Codes:{http://terminology.hl7.org/CodeSystem/observation-category laboratory}">Laboratory</span></p><p><b>code</b>: <span title="Codes:{http://loinc.org 4548-4}, {http://www.ama-assn.org/go/cpt 83036}, {http://example.org/lab-results HBA1C}">glycated hemoglobin (HbA1c)</span></p><p><b>subject</b>: <a href="http://example.org/cdex/provider/fhir/Patient/06e1f0dd-5fbe-4480-9bb4-6b54ec02d31b">Elden718 Halvorson124</a></p><p><b>effective</b>: 2020-01-23 10:21:08-0700</p><p><b>performer</b>: <a href="http://hl7.org/fhir/us/davinci-hrex/STU1/Practitioner-min.html">Dr. John Doe</a></p><p><b>value</b>: 6 %<span style="background: LightGoldenRodYellow"> (Details: UCUM  code% = '%')</span></p></div>
            </text>
            <status value="final"/>
            <category>
              <coding>
                <system
                        value="http://terminology.hl7.org/CodeSystem/observation-category"/>
                <code value="laboratory"/>
                <display value="Laboratory"/>
              </coding>
              <text value="Laboratory"/>
            </category>
            <code>
              <coding>
                <system value="http://loinc.org"/>
                <code value="4548-4"/>
                <display value="Hemoglobin A1c/Hemoglobin.total in Blood"/>
              </coding>
              <coding>
                <system value="http://www.ama-assn.org/go/cpt"/>
                <code value="83036"/>
                <display value="Hemoglobin; glycosylated (A1c)"/>
              </coding>
              <coding>
                <system value="http://example.org/lab-results"/>
                <code value="HBA1C"/>
                <display value="Glycated hemoglobin (HbA1c)"/>
              </coding>
              <text value="glycated hemoglobin (HbA1c)"/>
            </code>
            <subject>
              <reference
                         value="http://example.org/cdex/provider/fhir/Patient/06e1f0dd-5fbe-4480-9bb4-6b54ec02d31b"/>
              <display value="Elden718 Halvorson124"/>
            </subject>
            <effectiveDateTime value="2020-01-23T10:21:08-07:00"/>
            <performer>
              <reference value="Practitioner/min"/>
              <display value="Dr. John Doe"/>
            </performer>
            <valueQuantity>
              <value value="6"/>
              <unit value="%"/>
              <system value="http://unitsofmeasure.org"/>
              <code value="%"/>
            </valueQuantity>
          </Observation>
        </resource>
        <search>
          <mode value="match"/>
        </search>
      </entry>
      <entry>
        <fullUrl
                 value="http://hapi.fhir.org/baseR4/Observation/cdex-2020-04-23-hba1c-example"/>
        <resource>
          <Observation>
            <id value="cdex-2020-04-23-hba1c-example"/>
            <text>
              <status value="generated"/>
              <div xmlns="http://www.w3.org/1999/xhtml"><a name="Observation_cdex-2020-04-23-hba1c-example"> </a><p class="res-header-id"><b>Generated Narrative: Observation cdex-2020-04-23-hba1c-example</b></p><a name="cdex-2020-04-23-hba1c-example"> </a><a name="hccdex-2020-04-23-hba1c-example"> </a><p><b>status</b>: Final</p><p><b>category</b>: <span title="Codes:{http://terminology.hl7.org/CodeSystem/observation-category laboratory}">Laboratory</span></p><p><b>code</b>: <span title="Codes:{http://loinc.org 4548-4}, {http://www.ama-assn.org/go/cpt 83036}, {http://example.org/lab-results HBA1C}">glycated hemoglobin (HbA1c)</span></p><p><b>subject</b>: <a href="http://example.org/cdex/provider/fhir/Patient/06e1f0dd-5fbe-4480-9bb4-6b54ec02d31b">Elden718 Halvorson124</a></p><p><b>effective</b>: 2020-04-23 10:21:08-0700</p><p><b>performer</b>: <a href="http://hl7.org/fhir/us/davinci-hrex/STU1/Practitioner-min.html">Dr. John Doe</a></p><p><b>value</b>: 7.2 %<span style="background: LightGoldenRodYellow"> (Details: UCUM  code% = '%')</span></p></div>
            </text>
            <status value="final"/>
            <category>
              <coding>
                <system
                        value="http://terminology.hl7.org/CodeSystem/observation-category"/>
                <code value="laboratory"/>
                <display value="Laboratory"/>
              </coding>
              <text value="Laboratory"/>
            </category>
            <code>
              <coding>
                <system value="http://loinc.org"/>
                <code value="4548-4"/>
                <display value="Hemoglobin A1c/Hemoglobin.total in Blood"/>
              </coding>
              <coding>
                <system value="http://www.ama-assn.org/go/cpt"/>
                <code value="83036"/>
                <display value="Hemoglobin; glycosylated (A1c)"/>
              </coding>
              <coding>
                <system value="http://example.org/lab-results"/>
                <code value="HBA1C"/>
                <display value="Glycated hemoglobin (HbA1c)"/>
              </coding>
              <text value="glycated hemoglobin (HbA1c)"/>
            </code>
            <subject>
              <reference
                         value="http://example.org/cdex/provider/fhir/Patient/06e1f0dd-5fbe-4480-9bb4-6b54ec02d31b"/>
              <display value="Elden718 Halvorson124"/>
            </subject>
            <effectiveDateTime value="2020-04-23T10:21:08-07:00"/>
            <performer>
              <reference value="Practitioner/min"/>
              <display value="Dr. John Doe"/>
            </performer>
            <valueQuantity>
              <value value="7.2"/>
              <unit value="%"/>
              <system value="http://unitsofmeasure.org"/>
              <code value="%"/>
            </valueQuantity>
          </Observation>
        </resource>
        <search>
          <mode value="match"/>
        </search>
      </entry>
      <entry>
        <fullUrl
                 value="http://hapi.fhir.org/baseR4/Observation/cdex-2020-10-23-hba1c-example"/>
        <resource>
          <Observation>
            <id value="cdex-2020-10-23-hba1c-example"/>
            <text>
              <status value="generated"/>
              <div xmlns="http://www.w3.org/1999/xhtml"><a name="Observation_cdex-2020-10-23-hba1c-example"> </a><p class="res-header-id"><b>Generated Narrative: Observation cdex-2020-10-23-hba1c-example</b></p><a name="cdex-2020-10-23-hba1c-example"> </a><a name="hccdex-2020-10-23-hba1c-example"> </a><p><b>status</b>: Final</p><p><b>category</b>: <span title="Codes:{http://terminology.hl7.org/CodeSystem/observation-category laboratory}">Laboratory</span></p><p><b>code</b>: <span title="Codes:{http://loinc.org 4548-4}, {http://www.ama-assn.org/go/cpt 83036}, {http://example.org/lab-results HBA1C}">glycated hemoglobin (HbA1c)</span></p><p><b>subject</b>: <a href="http://example.org/cdex/provider/fhir/Patient/06e1f0dd-5fbe-4480-9bb4-6b54ec02d31b">Elden718 Halvorson124</a></p><p><b>effective</b>: 2020-10-23 10:21:08-0700</p><p><b>performer</b>: <a href="http://hl7.org/fhir/us/davinci-hrex/STU1/Practitioner-min.html">Dr. John Doe</a></p><p><b>value</b>: 7 %<span style="background: LightGoldenRodYellow"> (Details: UCUM  code% = '%')</span></p></div>
            </text>
            <status value="final"/>
            <category>
              <coding>
                <system
                        value="http://terminology.hl7.org/CodeSystem/observation-category"/>
                <code value="laboratory"/>
                <display value="Laboratory"/>
              </coding>
              <text value="Laboratory"/>
            </category>
            <code>
              <coding>
                <system value="http://loinc.org"/>
                <code value="4548-4"/>
                <display value="Hemoglobin A1c/Hemoglobin.total in Blood"/>
              </coding>
              <coding>
                <system value="http://www.ama-assn.org/go/cpt"/>
                <code value="83036"/>
                <display value="Hemoglobin; glycosylated (A1c)"/>
              </coding>
              <coding>
                <system value="http://example.org/lab-results"/>
                <code value="HBA1C"/>
                <display value="Glycated hemoglobin (HbA1c)"/>
              </coding>
              <text value="glycated hemoglobin (HbA1c)"/>
            </code>
            <subject>
              <reference
                         value="http://example.org/cdex/provider/fhir/Patient/06e1f0dd-5fbe-4480-9bb4-6b54ec02d31b"/>
              <display value="Elden718 Halvorson124"/>
            </subject>
            <effectiveDateTime value="2020-10-23T10:21:08-07:00"/>
            <performer>
              <reference value="Practitioner/min"/>
              <display value="Dr. John Doe"/>
            </performer>
            <valueQuantity>
              <value value="7"/>
              <unit value="%"/>
              <system value="http://unitsofmeasure.org"/>
              <code value="%"/>
            </valueQuantity>
          </Observation>
        </resource>
        <search>
          <mode value="match"/>
        </search>
      </entry>
      <entry>
        <fullUrl
                 value="http://hapi.fhir.org/baseR4/Observation/cdex-2020-07-23-hba1c-example"/>
        <resource>
          <Observation>
            <id value="cdex-2020-07-23-hba1c-example"/>
            <text>
              <status value="generated"/>
              <div xmlns="http://www.w3.org/1999/xhtml"><a name="Observation_cdex-2020-07-23-hba1c-example"> </a><p class="res-header-id"><b>Generated Narrative: Observation cdex-2020-07-23-hba1c-example</b></p><a name="cdex-2020-07-23-hba1c-example"> </a><a name="hccdex-2020-07-23-hba1c-example"> </a><p><b>status</b>: Final</p><p><b>category</b>: <span title="Codes:{http://terminology.hl7.org/CodeSystem/observation-category laboratory}">Laboratory</span></p><p><b>code</b>: <span title="Codes:{http://loinc.org 4548-4}, {http://www.ama-assn.org/go/cpt 83036}, {http://example.org/lab-results HBA1C}">glycated hemoglobin (HbA1c)</span></p><p><b>subject</b>: <a href="http://example.org/cdex/provider/fhir/Patient/06e1f0dd-5fbe-4480-9bb4-6b54ec02d31b">Elden718 Halvorson124</a></p><p><b>effective</b>: 2020-07-23 10:21:08-0700</p><p><b>performer</b>: <a href="http://hl7.org/fhir/us/davinci-hrex/STU1/Practitioner-min.html">Dr. John Doe</a></p><p><b>value</b>: 7 %<span style="background: LightGoldenRodYellow"> (Details: UCUM  code% = '%')</span></p></div>
            </text>
            <status value="final"/>
            <category>
              <coding>
                <system
                        value="http://terminology.hl7.org/CodeSystem/observation-category"/>
                <code value="laboratory"/>
                <display value="Laboratory"/>
              </coding>
              <text value="Laboratory"/>
            </category>
            <code>
              <coding>
                <system value="http://loinc.org"/>
                <code value="4548-4"/>
                <display value="Hemoglobin A1c/Hemoglobin.total in Blood"/>
              </coding>
              <coding>
                <system value="http://www.ama-assn.org/go/cpt"/>
                <code value="83036"/>
                <display value="Hemoglobin; glycosylated (A1c)"/>
              </coding>
              <coding>
                <system value="http://example.org/lab-results"/>
                <code value="HBA1C"/>
                <display value="Glycated hemoglobin (HbA1c)"/>
              </coding>
              <text value="glycated hemoglobin (HbA1c)"/>
            </code>
            <subject>
              <reference
                         value="http://example.org/cdex/provider/fhir/Patient/06e1f0dd-5fbe-4480-9bb4-6b54ec02d31b"/>
              <display value="Elden718 Halvorson124"/>
            </subject>
            <effectiveDateTime value="2020-07-23T10:21:08-07:00"/>
            <performer>
              <reference value="Practitioner/min"/>
              <display value="Dr. John Doe"/>
            </performer>
            <valueQuantity>
              <value value="7"/>
              <unit value="%"/>
              <system value="http://unitsofmeasure.org"/>
              <code value="%"/>
            </valueQuantity>
          </Observation>
        </resource>
        <search>
          <mode value="match"/>
        </search>
      </entry>
    </Bundle>