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

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

<Observation xmlns="http://hl7.org/fhir">
  <id value="f205"/> 
  display: inline-block; background-color: #d9e0e7; padding: 6px; margin: 4px; border:
       1px solid #8da1b4; border-radius: 5px; line-height: 60%: Glomerular filtration rate/1.73 sq M.predicted [Volume Rate/Area] in Serum or
         Plasma by Creatinine-based formula (MDRD)   no value element since have only component values and unable to interpret results
         needs clinical interpretation  interpretation of results should be assigned based upon the level of kindey function
           : GFR estimating equations developed by the Modification of Diet in Renal Disease
         (MDRD) Study Group and the Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI)....: Glomerular filtration rate/1.73 sq M predicted among blacks [Volume Rate/?Area]
           in Serum or Plasma by Creatinine-based formula (MDRD) : Glomerular filtration rate/1.73 sq M predicted among non-blacks [Volume Rate/Area]
           in Serum or Plasma by Creatinine-based formula (MDRD) 
    
  
  

  <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"/> 
      Glomerular filtration rate/1.73 sq M.predicted [Volume Rate/Area] in Serum or Plasma
       by Creatinine-based formula (MDRD)

      <display value="Glomerular filtration rate [Volume Rate/Area] in Serum or Plasma by Creatinine-based
       formula (MDRD)/1.73 sq M"/> 

    </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"/> 
  <!--    no value element since have only component values and unable to interpret results
   needs clinical interpretation    -->

  </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> 
  GFR estimating equations developed by the Modification of Diet in Renal Disease
     (MDRD) Study Group and the Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI)....

  <note> 
    <text 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)...."/> 
  </note>   <!--    The observation is complete    -->  <!--    No reliability concerns    -->  <method>     <!--    Method was MDRD    -->    <coding> 
      <system value="http://snomed.info/sct"/> 
      <code value="702668005"/> 
      <display value="MDRD"/> 
    </coding> 
  <!--     The MDRD equation does require race (African American or non-African American),

  </method> 
  <!--    The MDRD equation does require race (African American or non-African American),
   which also might not be readily available. For this reason, eGFR values for both
   African Americans and non-African Americans are reported. so use component elements
   here    -->
    

   here   -->
  <component>     <code>       <!--    Kind of observation = eGFR for AA    -->      <coding> 
        <system value="http://loinc.org"/> 
        <code value="48643-1"/> 
        Glomerular filtration rate/1.73 sq M predicted among blacks [Volume Rate/?Area]
         in Serum or Plasma by Creatinine-based formula (MDRD)

        <display value="Glomerular filtration rate [Volume Rate/Area] in Serum, Plasma or Blood by Creatinine-based
         formula (MDRD)/1.73 sq M among black population"/> 

      </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> 
      <appliesTo> 
        <text value="non-black/african-american"/> 
      </appliesTo> 
      <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"/> 
        Glomerular filtration rate/1.73 sq M predicted among non-blacks [Volume Rate/Area]
         in Serum or Plasma by Creatinine-based formula (MDRD)

        <display value="GFR/BSA pr.non blk SerPlBld MDRD-ArV"/> 
      </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

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