QI-Core Implementation Guide
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QI-Core Implementation Guide, published by HL7 International / Clinical Quality Information. This guide is not an authorized publication; it is the continuous build for version 6.0.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/fhir-qi-core/ and changes regularly. See the Directory of published versions

: Observation example - XML Representation

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<Observation xmlns="http://hl7.org/fhir">
  <id value="example"/>
  <meta>
    <profile
             value="http://hl7.org/fhir/us/qicore/StructureDefinition/qicore-simple-observation"/>
  </meta>
  <text>
    <status value="extensions"/>
    <div xmlns="http://www.w3.org/1999/xhtml"><p><b>Generated Narrative: Observation</b><a name="example"> </a><a name="hcexample"> </a></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">Resource Observation &quot;example&quot; </p><p style="margin-bottom: 0px">Profile: <a href="StructureDefinition-qicore-simple-observation.html">QICore Simple Observation</a></p></div><p><b>bodyPosition</b>: Sitting position (finding) <span style="background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki"> (<a href="https://browser.ihtsdotools.org/">SNOMED CT</a>#33586001)</span></p><p><b>status</b>: final</p><p><b>category</b>: Vital Signs <span style="background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki"> (<a href="http://terminology.hl7.org/5.4.0/CodeSystem-observation-category.html">Observation Category Codes</a>#vital-signs)</span></p><p><b>code</b>: Hemoglobin [Mass/volume] in Venous blood <span style="background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki"> (<a href="https://loinc.org/">LOINC</a>#30350-3)</span></p><p><b>subject</b>: <a href="Patient-example.html">Patient/example</a> &quot; CHALMERS&quot;</p><p><b>encounter</b>: <a href="Encounter-example.html">Encounter/example</a></p><p><b>effective</b>: 2013-04-02 10:30:10+0100 --&gt; 2013-04-05 10:30:10+0100</p><p><b>issued</b>: Apr 3, 2013, 2:30:10 PM</p><p><b>performer</b>: <a href="Practitioner-example.html">Practitioner/example: Practitioner</a> &quot; CAREFUL&quot;</p><p><b>value</b>: 7.2 g/dl<span style="background: LightGoldenRodYellow"> (Details: UCUM code g/dL = 'g/dL')</span></p><p><b>interpretation</b>: Below low normal <span style="background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki"> (<a href="http://hl7.org/fhir/R4/v2/0078/index.html">v2 ABNORMAL FLAGS</a>#L &quot;Low&quot;)</span></p><p><b>bodySite</b>: Superficial forearm vein <span style="background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki"> (<a href="https://browser.ihtsdotools.org/">SNOMED CT</a>#308046002)</span></p><p><b>method</b>: Injection to forearm <span style="background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki"> (<a href="https://browser.ihtsdotools.org/">SNOMED CT</a>#120220003)</span></p><p><b>derivedFrom</b>: <a href="Observation-example.html">Observation/example</a></p><blockquote><p><b>component</b></p><p><b>code</b>: Systolic blood pressure <span style="background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki"> (<a href="https://loinc.org/">LOINC</a>#8480-6; <a href="https://browser.ihtsdotools.org/">SNOMED CT</a>#271649006)</span></p><p><b>value</b>: 107 mmHg<span style="background: LightGoldenRodYellow"> (Details: UCUM code mm[Hg] = 'mm[Hg]')</span></p><p><b>interpretation</b>: Normal <span style="background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki"> (<a href="http://hl7.org/fhir/R4/v2/0078/index.html">v2 ABNORMAL FLAGS</a>#N &quot;normal&quot;)</span></p></blockquote><blockquote><p><b>component</b></p><p><b>code</b>: Diastolic blood pressure <span style="background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki"> (<a href="https://loinc.org/">LOINC</a>#8462-4)</span></p><p><b>value</b>: 60 mmHg<span style="background: LightGoldenRodYellow"> (Details: UCUM code mm[Hg] = 'mm[Hg]')</span></p><p><b>interpretation</b>: Below low normal <span style="background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki"> (<a href="http://hl7.org/fhir/R4/v2/0078/index.html">v2 ABNORMAL FLAGS</a>#L &quot;low&quot;)</span></p></blockquote></div>
  </text>
  <extension
             url="http://hl7.org/fhir/StructureDefinition/observation-bodyPosition">
    <valueCodeableConcept>
      <coding>
        <system value="http://snomed.info/sct"/>
        <code value="33586001"/>
        <display value="Sitting position (finding)"/>
      </coding>
    </valueCodeableConcept>
  </extension>
  <status value="final"/>
  <category>
    <coding>
      <system
              value="http://terminology.hl7.org/CodeSystem/observation-category"/>
      <code value="vital-signs"/>
      <display value="Vital Signs"/>
    </coding>
  </category>
  <code>
    <coding>
      <system value="http://loinc.org"/>
      <code value="30350-3"/>
      <display value="Hemoglobin [Mass/volume] in Venous blood"/>
    </coding>
  </code>
  <subject>🔗 
    <reference value="Patient/example"/>
  </subject>
  <encounter>🔗 
    <reference value="Encounter/example"/>
  </encounter>
  <effectivePeriod>
    <start value="2013-04-02T10:30:10+01:00"/>
    <end value="2013-04-05T10:30:10+01:00"/>
  </effectivePeriod>
  <issued value="2013-04-03T15:30:10+01:00"/>
  <performer>🔗 
    <reference value="Practitioner/example"/>
    <display value="Practitioner"/>
  </performer>
  <valueQuantity>
    <value value="7.2"/>
    <unit value="g/dl"/>
    <system value="http://unitsofmeasure.org"/>
    <code value="g/dL"/>
  </valueQuantity>
  <interpretation>
    <coding>
      <system value="http://terminology.hl7.org/CodeSystem/v2-0078"/>
      <code value="L"/>
      <display value="Low"/>
    </coding>
    <text value="Below low normal"/>
  </interpretation>
  <bodySite>
    <coding>
      <system value="http://snomed.info/sct"/>
      <code value="308046002"/>
      <display value="Superficial forearm vein"/>
    </coding>
  </bodySite>
  <method>
    <coding>
      <system value="http://snomed.info/sct"/>
      <code value="120220003"/>
      <display value="Injection to forearm"/>
    </coding>
  </method>
  <derivedFrom>🔗 
    <reference value="Observation/example"/>
  </derivedFrom>
  <!--        Should have a refrange as well      -->
  <component>
    <!-- 
           Observations are often coded in multiple code systems.
           - LOINC provides a very specific code (though not more specific in this particular
     case)
           - snomed provides a clinically relevant code that is usually less granular
     than LOINC
           - the source system provides its own code, which may be less or more granular
     than LOINC

this is shown here to demonstrate  the concept of translations within the codeableConcept
     datatype. The diastolic code below only has a LOINC code
               -->
    <code>
      <!--       LOINC -code       -->
      <coding>
        <system value="http://loinc.org"/>
        <code value="8480-6"/>
        <display value="Systolic blood pressure"/>
      </coding>
      <!--       SNOMED CT Codes       -->
      <coding>
        <system value="http://snomed.info/sct"/>
        <code value="271649006"/>
        <display value="Systolic blood pressure"/>
      </coding>
    </code>
    <valueQuantity>
      <value value="107"/>
      <unit value="mmHg"/>
      <system value="http://unitsofmeasure.org"/>
      <code value="mm[Hg]"/>
    </valueQuantity>
    <!--       an interpretation for the individual composite observation     -->
    <interpretation>
      <coding>
        <system value="http://terminology.hl7.org/CodeSystem/v2-0078"/>
        <code value="N"/>
        <display value="normal"/>
      </coding>
      <text value="Normal"/>
    </interpretation>
  </component>
  <!--        Should have a refrange as well      -->
  <component>
    <!--       this codes only has a LOINC code       -->
    <code>
      <coding>
        <system value="http://loinc.org"/>
        <code value="8462-4"/>
        <display value="Diastolic blood pressure"/>
      </coding>
    </code>
    <valueQuantity>
      <value value="60"/>
      <unit value="mmHg"/>
      <system value="http://unitsofmeasure.org"/>
      <code value="mm[Hg]"/>
    </valueQuantity>
    <!--       an interpretation for the individual composite observation     -->
    <interpretation>
      <coding>
        <system value="http://terminology.hl7.org/CodeSystem/v2-0078"/>
        <code value="L"/>
        <display value="low"/>
      </coding>
      <text value="Below low normal"/>
    </interpretation>
  </component>
</Observation>