This page is part of the FHIR Specification (v4.5.0: R5 Preview #3). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions . Page versions: R5 R4B R4 R3 R2
Orders and Observations Work Group | Maturity Level: N/A | Standards Status: Informative | Compartments: Device, Encounter, Patient, Practitioner, RelatedPerson |
Raw XML (canonical form + also see XML Format Specification)
Real-world patient - estimated gfr (id = "f205")
<?xml version="1.0" encoding="UTF-8"?> <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</b> </p> <p> <b> id</b> : f205</p> <p> <b> identifier</b> : id: 1304-03720-eGFR</p> <p/> <p> <b> code</b> : <span> 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. Generated Summary: id: f201; BSN: 123456789 (OFFICIAL), BSN: 123456789 (OFFICIAL); active; Roel(OFFICIAL); ph: +31612345678(MOBILE), ph: +31201234567(HOME); gender: male; birthDate: 1960-03-13; <span> Legally married</span> ; </a> </p> <p> <b> issued</b> : 05/04/2013 12:34:00 AM</p> <p> <b> performer</b> : <a> Luigi Maas. Generated Summary: id: f202; UZI-nummer: 12345678902 (OFFICIAL), BIG-nummer: 12345678902 (OFFICIAL); active; Luigi Maas(OFFICIAL); ph: +31715269111(WORK); gender: male; birthDate: 1960-06-12</a> </p> <p> <b> interpretation</b> : <span> interpretation of results should be assigned based upon the level of kindey function</span> </p> <p> <b> note</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> : <span> MDRD</span> </p> <blockquote> <p> <b> component</b> </p> <p> <b> code</b> : <span> 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> : >60 mL/min/1.73m2</p> <h3> ReferenceRanges</h3> <table> <tr> <td> -</td> <td> <b> Low</b> </td> <td> <b> AppliesTo</b> </td> <td> <b> Age</b> </td> </tr> <tr> <td> *</td> <td> 60 mL/min/1.73m2</td> <td> <span> non-black/african-american</span> </td> <td> 18-? yrs</td> </tr> </table> </blockquote> <blockquote> <p> <b> component</b> </p> <p> <b> code</b> : <span> 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</p> <h3> ReferenceRanges</h3> <table> <tr> <td> -</td> <td> <b> Low</b> </td> <td> <b> Age</b> </td> </tr> <tr> <td> *</td> <td> 60 mL/min/1.73m2</td> <td> 18-? yrs</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> <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>
Usage note: every effort has been made to ensure that the examples are correct and useful, but they are not a normative part of the specification.