US Quality Core Implementation Guide
0.1.0 - cibuild

US Quality Core Implementation Guide, published by ASTP. This guide is not an authorized publication; it is the continuous build for version 0.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/FHIR/us-quality-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://fhir.org/guides/astp/us-quality-core/StructureDefinition/us-quality-core-simple-observation"/>
      </meta>
      <text>
        <status value="extensions"/>
        <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: Observation example</b></p><a name="example"> </a><a name="hcexample"> </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"/><p style="margin-bottom: 0px">Profile: <a href="StructureDefinition-us-quality-core-simple-observation.html">US Quality Core Simple Observation</a></p></div><p><b>Observation Body Position</b>: <span title="Codes:{http://snomed.info/sct 33586001}">Sitting position (finding)</span></p><p><b>status</b>: Final</p><p><b>category</b>: <span title="Codes:{http://terminology.hl7.org/CodeSystem/observation-category vital-signs}">Vital Signs</span></p><p><b>code</b>: <span title="Codes:{http://loinc.org 30350-3}">Hemoglobin [Mass/volume] in Venous blood</span></p><p><b>subject</b>: <a href="Patient-example.html">Jim Chalmers  Male, DoB: 1974-12-25 ( Medical record number (use: usual, period: 2001-05-06 --&gt; (ongoing)))</a></p><p><b>encounter</b>: <a href="Encounter-example.html">Encounter: status = in-progress; class = inpatient encounter (ActCode#IMP); type = Initial hospital inpatient or observation care, per day, for the evaluation and management of a patient, which requires a medically appropriate history and/or examination and high level of medical decision making. When using total time on the date of the encounter for code selection, 75 minutes must be met or exceeded.</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>: 2013-04-03 15:30:10+0100</p><p><b>performer</b>: <a href="Practitioner-example.html">Practitioner</a></p><p><b>value</b>: 7.2 g/dl<span style="background: LightGoldenRodYellow"> (Details: UCUM  codeg/dL = 'g/dL')</span></p><p><b>interpretation</b>: <span title="Codes:{http://terminology.hl7.org/CodeSystem/v2-0078 L}">Below low normal</span></p><p><b>bodySite</b>: <span title="Codes:{http://snomed.info/sct 308046002}">Superficial forearm vein</span></p><p><b>method</b>: <span title="Codes:{http://snomed.info/sct 120220003}">Injection to forearm</span></p><p><b>derivedFrom</b>: <a href="Observation-example.html">Observation Hemoglobin [Mass/volume] in Venous blood</a></p><blockquote><p><b>component</b></p><p><b>code</b>: <span title="Codes:{http://loinc.org 8480-6}, {http://snomed.info/sct 271649006}">Systolic blood pressure</span></p><p><b>value</b>: 107 mmHg<span style="background: LightGoldenRodYellow"> (Details: UCUM  codemm[Hg] = 'mm[Hg]')</span></p><p><b>interpretation</b>: <span title="Codes:{http://terminology.hl7.org/CodeSystem/v2-0078 N}">Normal</span></p></blockquote><blockquote><p><b>component</b></p><p><b>code</b>: <span title="Codes:{http://loinc.org 8462-4}">Diastolic blood pressure</span></p><p><b>value</b>: 60 mmHg<span style="background: LightGoldenRodYellow"> (Details: UCUM  codemm[Hg] = 'mm[Hg]')</span></p><p><b>interpretation</b>: <span title="Codes:{http://terminology.hl7.org/CodeSystem/v2-0078 L}">Below low normal</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>