PATH-R4-26: Observation Example - Rubella IgG Antibody

An example of a quantitative test result combined with an interpretation:

  • Rubella IgG antibody: >10 IU/ml DETECTED

<Observation xmlns="http://hl7.org/fhir">
<id value="Pathology-Observation-Rubella-Example" />
<profile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-Observation-Lab" />
</meta>
<system value="https://tools.ietf.org/html/rfc4122" />
<value value="f0abb40c-fd22-4483-bc35-ab74531860ad" />
</identifier>
<status value="final" />
<system value="http://terminology.hl7.org/CodeSystem/observation-category" />
<code value="laboratory" />
<display value="Laboratory" />
</coding>
</category>
<!-- Equivalent codes from the PBCL and PaLM SNOMED CT reference sets are used in this example. -->
<!-- In practice, it is likely that only a code from one reference set will be carried. -->
<!-- From PBCL observable entity reference set -->
<system value="http://snomed.info/sct" />
<code value="1012301000000103" />
<display value="Rubella IgG level" />
</coding>
<!-- From PaLM observable entity reference set -->
<system value="http://snomed.info/sct" />
<code value="21091000237108" />
<display value="Rubella IgG antibody arbitrary concentration in serum" />
</coding>
</code>
<reference value="urn:uuid:ab87a3f8-1d37-44a9-804e-5e962598a6e4" />
<display value="MOXEY, Judy" />
</subject>
<issued value="2022-06-16T11:21:00+00:00" />
<reference value="urn:uuid:8a6d85b8-9837-4fed-a257-4cf207988338" />
<display value="TD008362 PATH LAB 001" />
</performer>
<value value="10" />
<comparator value=">" />
<unit value="IU/mL" />
<system value="http://unitsofmeasure.org" />
<code value="[IU]/mL" />
</valueQuantity>
<system value="http://terminology.hl7.org/CodeSystem/v3-ObservationInterpretation" />
<code value="DET" />
<display value="Detected" />
</coding>
</interpretation>
<reference value="urn:uuid:bab0eaec-1ec5-4598-b660-90bb38a1030d" />
</specimen>
</Observation>
{
"resourceType": "Observation",
"id": "Pathology-Observation-Rubella-Example",
"meta": {
"profile": [
"https://fhir.hl7.org.uk/StructureDefinition/UKCore-Observation-Lab"
]
},
{
"system": "https://tools.ietf.org/html/rfc4122",
"value": "f0abb40c-fd22-4483-bc35-ab74531860ad"
}
],
"status": "final",
{
"coding": [
{
"system": "http://terminology.hl7.org/CodeSystem/observation-category",
"code": "laboratory",
"display": "Laboratory"
}
]
}
],
"code": {
"coding": [
{
"system": "http://snomed.info/sct",
"code": "1012301000000103",
"display": "Rubella IgG level"
},
{
"system": "http://snomed.info/sct",
"code": "21091000237108",
"display": "Rubella IgG antibody arbitrary concentration in serum"
}
]
},
"subject": {
"reference": "urn:uuid:ab87a3f8-1d37-44a9-804e-5e962598a6e4",
"display": "MOXEY, Judy"
},
"issued": "2022-06-16T11:21:00+00:00",
{
"reference": "urn:uuid:8a6d85b8-9837-4fed-a257-4cf207988338",
"display": "TD008362 PATH LAB 001"
}
],
"value": 10,
"comparator": ">",
"unit": "IU/mL",
"system": "http://unitsofmeasure.org",
"code": "[IU]/mL"
},
{
"coding": [
{
"system": "http://terminology.hl7.org/CodeSystem/v3-ObservationInterpretation",
"code": "DET",
"display": "Detected"
}
]
}
],
"reference": "urn:uuid:bab0eaec-1ec5-4598-b660-90bb38a1030d"
}
}
Observation
Observation.id[0]Pathology-Observation-Rubella-Example
Observation.meta[0].profile[0]https://fhir.hl7.org.uk/StructureDefinition/UKCore-Observation-Lab
Observation.identifier[0].system[0]https://tools.ietf.org/html/rfc4122
Observation.identifier[0].value[0]f0abb40c-fd22-4483-bc35-ab74531860ad
Observation.status[0]final
Observation.category[0].coding[0].system[0]http://terminology.hl7.org/CodeSystem/observation-category
Observation.category[0].coding[0].code[0]laboratory
Observation.category[0].coding[0].display[0]Laboratory
Observation.code[0].coding[0].system[0]http://snomed.info/sct
Observation.code[0].coding[0].code[0]1012301000000103
Observation.code[0].coding[0].display[0]Rubella IgG level
Observation.code[0].coding[1].system[0]http://snomed.info/sct
Observation.code[0].coding[1].code[0]21091000237108
Observation.code[0].coding[1].display[0]Rubella IgG antibody arbitrary concentration in serum
Observation.subject[0].reference[0]urn:uuid:ab87a3f8-1d37-44a9-804e-5e962598a6e4
Observation.subject[0].display[0]MOXEY, Judy
Observation.issued[0]2022-06-16T11:21:00+00:00
Observation.performer[0].reference[0]urn:uuid:8a6d85b8-9837-4fed-a257-4cf207988338
Observation.performer[0].display[0]TD008362 PATH LAB 001
Observation.value[0].value[0]10
Observation.value[0].comparator[0]>
Observation.value[0].unit[0]IU/mL
Observation.value[0].system[0]http://unitsofmeasure.org
Observation.value[0].code[0][IU]/mL
Observation.interpretation[0].coding[0].system[0]http://terminology.hl7.org/CodeSystem/v3-ObservationInterpretation
Observation.interpretation[0].coding[0].code[0]DET
Observation.interpretation[0].coding[0].display[0]Detected
Observation.specimen[0].reference[0]urn:uuid:bab0eaec-1ec5-4598-b660-90bb38a1030d