<?xml version=“1.0” encoding=“UTF-8”?> <Observation xmlns=“hl7.org/fhir”>
<id value="f205"/> <meta> <security> <system value="http://terminology.hl7.org/CodeSystem/v3-ActReason"/> <code value="HTEST"/> <display value="test health data"/> </security> </meta> <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> <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> </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 --><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=">"/> <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"/> <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>