An example bundle that demonstrates various reference resolution paths (id = "bundle-references")

<?xml version="1.0" encoding="UTF-8"?>

<Bundle xmlns="http://hl7.org/fhir">
  <id value="bundle-references"/> 
  <type value="collection"/> 
  <!--   A patient that already has an id on a server   -->
  <entry> 
    <fullUrl value="http://example.org/fhir/Patient/23"/> 
    <resource> 
      <Patient> 
        <id value="23"/> 
        <text> 
          <status value="generated"/> <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b> Generated Narrative: Patient 23</b> </p> <a name="23"> </a> <a name="hc23"> </a> <a name="23-en-US"> </a> <p style="border: 1px #661aff solid; background-color: #e6e6ff; padding: 10px;">Anonymous Patient (no stated gender), DoB Unknown ( http://example.org/ids#1234567)</p> <hr/>  </div> 
        </text> 
        <identifier> 
          <system value="http://example.org/ids"/> 
          <value value="1234567"/> 
        </identifier> 
      </Patient> 
    </resource> 
  </entry> 
  <!--   A patient that doesn't have a persistent home - but it does have 
      a UUID assigned for this bundle "locally identified"   -->
  <entry> 
    <fullUrl value="urn:uuid:04121321-4af5-424c-a0e1-ed3aab1c349d"/> 
    <resource> 
      <Patient> 
        <id value="temp"/> 
        <text> 
          <status value="generated"/> <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b> Generated Narrative: Patient temp</b> </p> <a name="temp"> </a> <a name="hctemp"> </a> <a name="temp-en-US"> </a> <p style="border: 1px #661aff solid; background-color: #e6e6ff; padding: 10px;">Anonymous Patient (no stated gender), DoB Unknown</p> <hr/>  </div> 
        </text> 
      </Patient> 
    </resource> 
  </entry> 
  <!--   a relative resource reference   -->
  <entry> 
    <fullUrl value="http://example.org/fhir/Observation/123"/> 
    <resource> 
      <Observation> 
        <id value="123"/> 
        <text> 
          <status value="generated"/> <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b> Generated Narrative: Observation 123</b> </p> <a name="123"> </a> <a name="hc123"> </a> <a name="123-en-US"> </a> <p> <b> status</b> : final</p> <p> <b> code</b> : <span title="Codes:{http://loinc.org 15074-8}">Glucose [Moles/volume] in Blood</span> </p> <p> <b> subject</b> : <a href="broken-link.html">??</a> </p> </div> 
        </text> 
        <status value="final"/> 
        <code> 
          <coding> 
            <system value="http://loinc.org"/> 
            <code value="15074-8"/> 
            <display value="Glucose [Moles/volume] in Blood"/> 
          </coding> 
        </code> 
        <subject> 
          <!--   this is reference to the first patient above   -->
          <reference value="Patient/23"/> 
        </subject> 
      </Observation> 
    </resource> 
  </entry> 
  <!--   an absolute reference   -->
  <entry> 
    <fullUrl value="http://example.org/fhir/Observation/124"/> 
    <resource> 
      <Observation> 
        <id value="124"/> 
        <text> 
          <status value="generated"/> <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b> Generated Narrative: Observation 124</b> </p> <a name="124"> </a> <a name="hc124"> </a> <a name="124-en-US"> </a> <p> <b> status</b> : final</p> <p> <b> code</b> : <span title="Codes:{http://loinc.org 15074-8}">Glucose [Moles/volume] in Blood</span> </p> <p> <b> subject</b> : <a href="broken-link.html">??</a> </p> </div> 
        </text> 
        <status value="final"/> 
        <code> 
          <coding> 
            <system value="http://loinc.org"/> 
            <code value="15074-8"/> 
            <display value="Glucose [Moles/volume] in Blood"/> 
          </coding> 
        </code> 
        <subject> 
          <!--   this is reference to the first patient above   -->
          <reference value="http://example.org/fhir/Patient/23"/> 
        </subject> 
      </Observation> 
    </resource> 
  </entry> 
  <!--   reference to a locally identified resource   -->
  <entry> 
    <fullUrl value="http://example.org/fhir/Observation/12"/> 
    <resource> 
      <Observation> 
        <id value="12"/> 
        <text> 
          <status value="generated"/> <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b> Generated Narrative: Observation 12</b> </p> <a name="12"> </a> <a name="hc12"> </a> <a name="12-en-US"> </a> <p> <b> status</b> : final</p> <p> <b> code</b> : <span title="Codes:{http://loinc.org 15074-8}">Glucose [Moles/volume] in Blood</span> </p> <p> <b> subject</b> : <a href="broken-link.html">??</a> </p> </div> 
        </text> 
        <status value="final"/> 
        <code> 
          <coding> 
            <system value="http://loinc.org"/> 
            <code value="15074-8"/> 
            <display value="Glucose [Moles/volume] in Blood"/> 
          </coding> 
        </code> 
        <subject> 
          <!--   reference to the second patient above   -->
          <reference value="urn:uuid:04121321-4af5-424c-a0e1-ed3aab1c349d"/> 
        </subject> 
      </Observation> 
    </resource> 
  </entry> 
  <!--   reference that doesn't resolve in this bundle and is resolved externally   -->
  <entry> 
    <fullUrl value="http://example.org/fhir/Observation/14"/> 
    <resource> 
      <Observation> 
        <id value="14"/> 
        <text> 
          <status value="generated"/> <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b> Generated Narrative: Observation 14</b> </p> <a name="14"> </a> <a name="hc14"> </a> <a name="14-en-US"> </a> <p> <b> status</b> : final</p> <p> <b> code</b> : <span title="Codes:{http://loinc.org 15074-8}">Glucose [Moles/volume] in Blood</span> </p> <p> <b> subject</b> : <a href="broken-link.html">??</a> </p> </div> 
        </text> 
        <status value="final"/> 
        <code> 
          <coding> 
            <system value="http://loinc.org"/> 
            <code value="15074-8"/> 
            <display value="Glucose [Moles/volume] in Blood"/> 
          </coding> 
        </code> 
        <subject> 
          <!--   reference to a patient not found in this bundle   -->
          <reference value="http://example.org/fhir-2/Patient/1"/> 
        </subject> 
      </Observation> 
    </resource> 
  </entry> 
  <!--   nor does this one (FullUrl base is different)   -->
  <entry> 
    <fullUrl value="http://example.org/fhir-2/Observation/14"/> 
    <resource> 
      <Observation> 
        <id value="14"/> 
        <text> 
          <status value="generated"/> <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b> Generated Narrative: Observation 14</b> </p> <p> <b> status</b> : final</p> <p> <b> code</b> : <span title="Codes:{http://loinc.org 15074-8}">Glucose [Moles/volume] in Blood</span> </p> <p> <b> subject</b> : <a href="broken-link.html">??</a> </p> </div> 
        </text> 
        <status value="final"/> 
        <code> 
          <coding> 
            <system value="http://loinc.org"/> 
            <code value="15074-8"/> 
            <display value="Glucose [Moles/volume] in Blood"/> 
          </coding> 
        </code> 
        <subject> 
          <!--   reference to a patient not found in this bundle   -->
          <reference value="Patient/23"/> 
        </subject> 
      </Observation> 
    </resource> 
  </entry> 
  <!--   A duplicate patient (#1)   -->
  <entry> 
    <fullUrl value="http://example.org/fhir/Patient/45"/> 
    <resource> 
      <Patient> 
        <id value="45"/> 
        <meta> 
          <versionId value="1"/> 
        </meta> 
        <text> 
          <status value="generated"/> <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b> Generated Narrative: Patient 45</b> </p> <a name="45"> </a> <a name="hc45"> </a> <a name="45-en-US"> </a> <div style="display: inline-block; background-color: #d9e0e7; padding: 6px; margin: 4px; border:
             1px solid #8da1b4; border-radius: 5px; line-height: 60%"><p style="margin-bottom: 0px">version: 1</p> </div> <p style="border: 1px #661aff solid; background-color: #e6e6ff; padding: 10px;">Name 1 (no stated gender), DoB Unknown</p> <hr/>  </div> 
        </text> 
        <name> 
          <text value="Name 1"/> 
        </name> 
      </Patient> 
    </resource> 
  </entry> 
  <!--   A duplicate patient (#2)   -->
  <entry> 
    <fullUrl value="http://example.org/fhir/Patient/45"/> 
    <resource> 
      <Patient> 
        <id value="45"/> 
        <meta> 
          <versionId value="2"/> 
        </meta> 
        <text> 
          <status value="generated"/> <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b> Generated Narrative: Patient 45</b> </p> <div style="display: inline-block; background-color: #d9e0e7; padding: 6px; margin: 4px; border:
             1px solid #8da1b4; border-radius: 5px; line-height: 60%"><p style="margin-bottom: 0px">version: 2</p> </div> <p style="border: 1px #661aff solid; background-color: #e6e6ff; padding: 10px;">Name 2 (no stated gender), DoB Unknown</p> <hr/>  </div> 
        </text> 
        <name> 
          <text value="Name 2"/> 
        </name> 
      </Patient> 
    </resource> 
  </entry> 
  <!--   ambiguous reference .. commented out because the validator calls it an error
  <entry>
    <fullUrl value="http://example.org/fhir/Observation/46"/>
    <resource>
      <Observation>
        <id value="46"/>
         <status value="final"/> 
         <code> 
          <coding> 
            <system value="http://loinc.org"/> 
            <code value="15074-8"/> 
            <display value="Glucose [Moles/volume] in Blood"/> 
          </coding> 
        </code> 
        <subject>
          <reference value="Patient/45"/>
        </subject>
      </Observation>
    </resource>
  </entry>
    -->
  <!--   unambiguous reference   -->
  <entry> 
    <fullUrl value="http://example.org/fhir/Observation/47"/> 
    <resource> 
      <Observation> 
        <id value="47"/> 
        <text> 
          <status value="generated"/> <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b> Generated Narrative: Observation 47</b> </p> <a name="47"> </a> <a name="hc47"> </a> <a name="47-en-US"> </a> <p> <b> status</b> : final</p> <p> <b> code</b> : <span title="Codes:{http://loinc.org 15074-8}">Glucose [Moles/volume] in Blood</span> </p> <p> <b> subject</b> : <a href="broken-link.html">??</a> </p> </div> 
        </text> 
        <status value="final"/> 
        <code> 
          <coding> 
            <system value="http://loinc.org"/> 
            <code value="15074-8"/> 
            <display value="Glucose [Moles/volume] in Blood"/> 
          </coding> 
        </code> 
        <subject> 
          <reference value="Patient/45/_history/2"/> 
        </subject> 
      </Observation> 
    </resource> 
  </entry> 
  <!--   idnetifier based reference, resolves to first patient   -->
  <entry> 
    <fullUrl value="http://example.org/fhir/Observation/48"/> 
    <resource> 
      <Observation> 
        <id value="48"/> 
        <text> 
          <status value="generated"/> <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b> Generated Narrative: Observation 48</b> </p> <a name="48"> </a> <a name="hc48"> </a> <a name="48-en-US"> </a> <p> <b> status</b> : final</p> <p> <b> code</b> : <span title="Codes:{http://loinc.org 15074-8}">Glucose [Moles/volume] in Blood</span> </p> <p> <b> subject</b> : Identifier: <code> http://example.org/ids</code> /1234567</p> </div> 
        </text> 
        <status value="final"/> 
        <code> 
          <coding> 
            <system value="http://loinc.org"/> 
            <code value="15074-8"/> 
            <display value="Glucose [Moles/volume] in Blood"/> 
          </coding> 
        </code> 
        <subject> 
          <identifier> 
            <system value="http://example.org/ids"/> 
            <value value="1234567"/> 
          </identifier> 
        </subject> 
      </Observation> 
    </resource> 
  </entry> 
</Bundle>