{
  "resourceType": "Observation",
  "id": "f205",
  "identifier": [
    {
      "system": "https://intranet.aumc.nl/labvalues",
      "value": "1304-03720-eGFR"
    }
  ],
  "status": "final",
  "code": {
    "coding": [
      {
        "system": "http://loinc.org",
        "code": "33914-3",
        "display": "Glomerular filtration rate [Volume Rate/Area] in Serum or Plasma by Creatinine-based formula (MDRD)/1.73 sq M"
      }
    ]
  },
  "subject": {
    "reference": "Patient/f201",
    "display": "Roel"
  },
  "issued": "2013-04-04T14:34:00+01:00",
  "performer": [
    {
      "reference": "Practitioner/f202",
      "display": "Luigi Maas"
    }
  ],
  "interpretation": [
    {
      "text": "interpretation of results should be assigned based upon the level of kindey function"
    }
  ],
  "note": [
    {
      "text": "GFR estimating equations developed by the Modification of Diet in Renal Disease (MDRD) Study Group and the Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI)...."
    }
  ],
  "method": {
    "coding": [
      {
        "system": "http://snomed.info/sct",
        "code": "702668005",
        "display": "MDRD"
      }
    ]
  },
  "component": [
    {
      "code": {
        "coding": [
          {
            "system": "http://loinc.org",
            "code": "48643-1",
            "display": "Glomerular filtration rate [Volume Rate/Area] in Serum, Plasma or Blood by Creatinine-based formula (MDRD)/1.73 sq M among black population"
          }
        ]
      },
      "valueQuantity": {
        "value": 60,
        "comparator": "\u003e",
        "unit": "mL/min/1.73m2",
        "system": "http://unitsofmeasure.org",
        "code": "mL/min/{1.73_m2}"
      },
      "referenceRange": [
        {
          "low": {
            "value": 60,
            "unit": "mL/min/1.73m2",
            "system": "http://unitsofmeasure.org",
            "code": "mL/min/{1.73_m2}"
          },
          "appliesTo": [
            {
              "text": "non-black/african-american"
            }
          ],
          "age": {
            "low": {
              "value": 18,
              "unit": "yrs",
              "system": "http://unitsofmeasure.org",
              "code": "a"
            }
          }
        }
      ]
    },
    {
      "code": {
        "coding": [
          {
            "system": "http://loinc.org",
            "code": "48642-3",
            "display": "GFR/BSA pr.non blk SerPlBld MDRD-ArV"
          }
        ]
      },
      "valueQuantity": {
        "value": 60,
        "unit": "mL/min/1.73m2",
        "system": "http://unitsofmeasure.org",
        "code": "mL/min/{1.73_m2}"
      },
      "referenceRange": [
        {
          "low": {
            "value": 60,
            "unit": "mL/min/1.73m2",
            "system": "http://unitsofmeasure.org",
            "code": "mL/min/{1.73_m2}"
          },
          "age": {
            "low": {
              "value": 18,
              "unit": "yrs",
              "system": "http://unitsofmeasure.org",
              "code": "a"
            }
          }
        }
      ]
    }
  ],
  "meta": {
    "tag": [
      {
        "system": "http://terminology.hl7.org/CodeSystem/v3-ActReason",
        "code": "HTEST",
        "display": "test health data"
      }
    ]
  }
}