Clinical Observations

This guidance is under active development by NHS Digital and content may be added or updated on a regular basis.

Blood Pressure Observation Example

<Observation xmlns="http://hl7.org/fhir">
<id value="BloodPressureObservation" />
<identifier>
<system value="https://tools.ietf.org/html/rfc4122" />
<value value="068c5c3c-cf11-4f7a-a58a-c445e9848657" />
</identifier>
<status value="final" />
<category>
<coding>
<system value="http://terminology.hl7.org/CodeSystem/observation-category" />
<code value="vital-signs" />
<display value="Vital Signs" />
</coding>
</category>
<code>
<coding>
<system value="http://snomed.info/sct" />
<code value="75367002" />
<display value="Blood pressure" />
</coding>
<coding>
<system value="http://loinc.org" />
<code value="85354-9" />
<display value="Blood pressure panel with all children optional" />
</coding>
</code>
<subject>
<reference value="Patient/30d3de6f-e800-47fa-b610-b02c7c8e9d57" />
</subject>
<effectiveDateTime value="2018-10-04T14:17:59+01:00" />
<performer>
<reference value="Practitioner/627be677-3eb2-4db4-9570-5669fd8c92f5" />
</performer>
<performer>
<reference value="Organization/cdaea3db-8b40-41dc-9834-b42503e12382" />
</performer>
<component>
<code>
<coding>
<system value="http://snomed.info/sct" />
<code value="72313002" />
<display value="Systolic arterial pressure" />
</coding>
<coding>
<system value="http://loinc.org" />
<code value="8480-6" />
<display value="Systolic blood pressure" />
</coding>
</code>
<valueQuantity>
<value value="120" />
<unit value="millimeter of mercury" />
<system value="http://unitsofmeasure.org" />
<code value="mm[Hg]" />
</valueQuantity>
</component>
<component>
<code>
<coding>
<system value="http://snomed.info/sct" />
<code value="1091811000000102" />
<display value="Diastolic arterial pressure" />
</coding>
<coding>
<system value="http://loinc.org" />
<code value="8462-4" />
<display value="Diastolic blood pressure" />
</coding>
</code>
<valueQuantity>
<value value="80" />
<unit value="millimeter of mercury" />
<system value="http://unitsofmeasure.org" />
<code value="mm[Hg]" />
</valueQuantity>
</component>
</Observation>
{
"resourceType": "Observation",
"id": "BloodPressureObservation",
"identifier": [
{
"system": "https://tools.ietf.org/html/rfc4122",
"value": "068c5c3c-cf11-4f7a-a58a-c445e9848657"
}
],
"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",
"code": "75367002",
"display": "Blood pressure"
},
{
"system": "http://loinc.org",
"code": "85354-9",
"display": "Blood pressure panel with all children optional"
}
]
},
"subject": {
"reference": "Patient/30d3de6f-e800-47fa-b610-b02c7c8e9d57"
},
"effectiveDateTime": "2018-10-04T14:17:59+01:00",
"performer": [
{
"reference": "Practitioner/627be677-3eb2-4db4-9570-5669fd8c92f5"
},
{
"reference": "Organization/cdaea3db-8b40-41dc-9834-b42503e12382"
}
],
"component": [
{
"code": {
"coding": [
{
"system": "http://snomed.info/sct",
"code": "72313002",
"display": "Systolic arterial pressure"
},
{
"system": "http://loinc.org",
"code": "8480-6",
"display": "Systolic blood pressure"
}
]
},
"valueQuantity": {
"value": 120,
"unit": "millimeter of mercury",
"system": "http://unitsofmeasure.org",
"code": "mm[Hg]"
}
},
{
"code": {
"coding": [
{
"system": "http://snomed.info/sct",
"code": "1091811000000102",
"display": "Diastolic arterial pressure"
},
{
"system": "http://loinc.org",
"code": "8462-4",
"display": "Diastolic blood pressure"
}
]
},
"valueQuantity": {
"value": 80,
"unit": "millimeter of mercury",
"system": "http://unitsofmeasure.org",
"code": "mm[Hg]"
}
}
]
}
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