{
  "resourceType" : "Observation",
  "id" : "ExObservationWeight",
  "meta" : {
    "profile" : ["http://canshare.co.nz/fhir/StructureDefinition/an-weight"]
  },
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\">Weight 80 kg</div>"
  },
  "identifier" : [{
    "system" : "http://canshare.co.nz/identifiers",
    "value" : "weight-1"
  }],
  "status" : "final",
  "category" : [{
    "coding" : [{
      "system" : "http://terminology.hl7.org/CodeSystem/observation-category",
      "code" : "vital-signs",
      "display" : "Vital Signs"
    }]
  }],
  "code" : {
    "coding" : [{
      "system" : "http://snomed.info/sct/21000210109",
      "code" : "27113001"
    },
    {
      "system" : "http://loinc.org",
      "code" : "29463-7"
    }]
  },
  "subject" : {
    "reference" : "Patient/exPatient"
  },
  "effectiveDateTime" : "2020-01-01",
  "valueQuantity" : {
    "value" : 80,
    "unit" : "kg",
    "system" : "http://unitsofmeasure.org",
    "code" : "kg"
  }
}