Observation-example-f205-egfr.xml

Real-world patient - estimated gfr (id = "f205")

<Observation xmlns="http://hl7.org/fhir">
  <id value="f205"/>
  <text><status value="generated"/><div xmlns="http://www.w3.org/1999/xhtml"><p><b>Generated Narrative with Details</b></p><p><b>id</b>: f205</p><p><b>identifier</b>: 1304-03720-eGFR</p><p><b>status</b>: final</p><p><b>code</b>: Glomerular filtration rate/1.73 sq M.predicted [Volume Rate/Area] in Serum or Plasma
         by Creatinine-based formula (MDRD) <span>(Details : {LOINC code '33914-3' = 'Glomerular filtration rate/1.73 sq M.predicted by
           Creatinine-based formula (MDRD)', given as 'Glomerular filtration rate/1.73 sq M.predicted
           [Volume Rate/Area] in Serum or Plasma by Creatinine-based formula (MDRD)'})</span></p><p><b>subject</b>: <a>Roel</a></p><p><b>issued</b>: 04/04/2013 2:34:00 PM</p><p><b>performer</b>: <a>Luigi Maas</a></p><p><b>interpretation</b>: interpretation of results should be assigned based upon the level of kindey function
         <span>(Details )</span></p><p><b>comments</b>: GFR estimating equations developed by the Modification of Diet in Renal Disease (MDRD)
         Study Group and the Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI)....</p><p><b>method</b>: MDRD <span>(Details : {SNOMED CT code '702668005' = '??', given as 'MDRD'})</span></p><blockquote><p><b>component</b></p><p><b>code</b>: Glomerular filtration rate/1.73 sq M predicted among blacks [Volume Rate/?Area] in Serum
           or Plasma by Creatinine-based formula (MDRD) <span>(Details : {LOINC code '48643-1' = 'Glomerular filtration rate/1.73 sq M predicted among
             blacks by Creatinine-based formula (MDRD)', given as 'Glomerular filtration rate/1.73
             sq M predicted among blacks [Volume Rate/?Area] in Serum or Plasma by Creatinine-based
             formula (MDRD)'})</span></p><p><b>value</b>: &gt;60 mL/min/1.73m2<span> (Details: http://unitsofmeasure.org code mL/min/{1.73_m2} = '??')</span></p><h3>ReferenceRanges</h3><table><tr><td>-</td></tr><tr><td>*</td></tr></table></blockquote><blockquote><p><b>component</b></p><p><b>code</b>: Glomerular filtration rate/1.73 sq M predicted among non-blacks [Volume Rate/Area] in
           Serum or Plasma by Creatinine-based formula (MDRD) <span>(Details : {LOINC code '48642-3' = 'Glomerular filtration rate/1.73 sq M predicted among
             non-blacks by Creatinine-based formula (MDRD)', given as 'Glomerular filtration rate/1.73
             sq M predicted among non-blacks [Volume Rate/Area] in Serum or Plasma by Creatinine-based
             formula (MDRD)'})</span></p><p><b>value</b>: 60 mL/min/1.73m2<span> (Details: http://unitsofmeasure.org code mL/min/{1.73_m2} = '??')</span></p><h3>ReferenceRanges</h3><table><tr><td>-</td></tr><tr><td>*</td></tr></table></blockquote></div></text><identifier>
    <system value="https://intranet.aumc.nl/labvalues"/>
    <!--     Does not exist     -->
    <value value="1304-03720-eGFR"/>
  </identifier>
  <!--     eGFR was measured on April fourth     -->
  <status value="final"/>
  <code>
    <!--     Kind of observation = eGFR     -->
    <coding>
      <system value="http://loinc.org"/>
      <code value="33914-3"/>
      <display value="Glomerular filtration rate/1.73 sq M.predicted [Volume Rate/Area] in Serum or Plasma by
       Creatinine-based formula (MDRD)"/>
    </coding>
  </code>
  <subject>
    <reference value="Patient/f201"/>
    <display value="Roel"/>
  </subject>
  <issued value="2013-04-04T14:34:00+01:00"/>
  <performer>
    <reference value="Practitioner/f202"/>
    <display value="Luigi Maas"/>
  </performer>
  <!--    no value element since have only component values and unable to interpret results needs
   clinical interpretation    -->
  <interpretation>
    <text value="interpretation of results should be assigned based upon the level of kindey function"/>
  </interpretation>
  <comments value="GFR estimating equations developed by the Modification of Diet in Renal Disease (MDRD)
   Study Group and the Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI)...."/>
  <!--     The observation is complete     -->
  <!--     No reliability concerns     -->
  <method>
    <!--     Method was MDRD     -->
    <coding>
      <system value="http://snomed.info/id"/>
      <code value="702668005"/>
      <display value="MDRD"/>
    </coding>
  </method>
  <!--     The MDRD equation does require race (African American or non-African American), which
   also may not be readily available. For this reason, eGFR values for both African Americans
   and non-African Americans are reported. so use component elements here    -->
  <component>
    <code>
      <!--     Kind of observation = eGFR for AA     -->
      <coding>
        <system value="http://loinc.org"/>
        <code value="48643-1"/>
        <display value="Glomerular filtration rate/1.73 sq M predicted among blacks [Volume Rate/?Area] in Serum
         or Plasma by Creatinine-based formula (MDRD)"/>
      </coding>
    </code>
    <valueQuantity>
      <!--     eGFR=54mL/min/1.73m2     -->
      <value value="60"/>
      <comparator value="&gt;"/>
      <unit value="mL/min/1.73m2"/>
      <system value="http://unitsofmeasure.org"/>
      <code value="mL/min/{1.73_m2}"/>
    </valueQuantity>
    <referenceRange>
      <low>
        <value value="60"/>
        <unit value="mL/min/1.73m2"/>
        <system value="http://unitsofmeasure.org"/>
        <code value="mL/min/{1.73_m2}"/>
      </low>
      <age>
        <low>
          <value value="18"/>
          <unit value="yrs"/>
          <system value="http://unitsofmeasure.org"/>
          <code value="a"/>
        </low>
      </age>
    </referenceRange>
  </component>
  <component>
    <code>
      <!--     Kind of observation = eGFR for non AA     -->
      <coding>
        <system value="http://loinc.org"/>
        <code value="48642-3"/>
        <display value="Glomerular filtration rate/1.73 sq M predicted among non-blacks [Volume Rate/Area] in
         Serum or Plasma by Creatinine-based formula (MDRD)"/>
      </coding>
    </code>
    <valueQuantity>
      <!--     eGFR=54mL/min/1.73m2     -->
      <value value="60"/>
      <unit value="mL/min/1.73m2"/>
      <system value="http://unitsofmeasure.org"/>
      <code value="mL/min/{1.73_m2}"/>
    </valueQuantity>
    <referenceRange>
      <low>
        <value value="60"/>
        <unit value="mL/min/1.73m2"/>
        <system value="http://unitsofmeasure.org"/>
        <code value="mL/min/{1.73_m2}"/>
      </low>
      <age>
        <low>
          <value value="18"/>
          <unit value="yrs"/>
          <system value="http://unitsofmeasure.org"/>
          <code value="a"/>
        </low>
      </age>
    </referenceRange>
  </component>
</Observation>