WARNING
This guidance is under active development by NHS England and content may be added or updated on a regular basis. The implementation guide is currently in draft and SHOULD NOT be used for development or implementation without consulting the NHS England Pathology Standards Implementation team.PATH-R4-21: Observation Example - Hepatitis B Surface Antigen (HBsAg)
An example of a qualitative test result:
- Hepatitis B surface antigen: NEGATIVE
</meta>
</identifier>
</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 -->
</coding>
<!-- From PaLM observable entity reference set -->
</coding>
</code>
</subject>
</performer>
</coding>
</valueCodeableConcept>
</specimen>
</Observation>
{
},
{
}
],
{
{
}
]
}
],
{
},
{
}
]
},
},
{
}
],
},
}
}
| Observation.id[0] | Pathology-Observation-HBsAg-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] | cca2b653-b6dd-4bf3-8337-10b140d50972 |
| 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] | 1014211000000100 |
| Observation.code[0].coding[0].display[0] | Hepatitis B surface antigen level |
| Observation.code[0].coding[1].system[0] | http://snomed.info/sct |
| Observation.code[0].coding[1].code[0] | 51061000237103 |
| Observation.code[0].coding[1].display[0] | Hepatitis B surface antigen in serum qualitative result |
| Observation.subject[0].reference[0] | urn:uuid:ab87a3f8-1d37-44a9-804e-5e962598a6e4 |
| Observation.subject[0].display[0] | MOXEY, Judy |
| Observation.issued[0] | 2022-02-25T13:47:00+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].coding[0].system[0] | http://snomed.info/sct |
| Observation.value[0].coding[0].code[0] | 260385009 |
| Observation.value[0].coding[0].display[0] | Negative |
| Observation.specimen[0].reference[0] | urn:uuid:bab0eaec-1ec5-4598-b660-90bb38a1030d |