<status value="draft" /> <date value="2022-08-04T06:00:00+00:00" /> <publisher value="NHS Digital" /> <contact> <name value="Interoperability Team" /> <telecom> <system value="email" /> <value value="interoperabilityteam@nhs.net" /> <use value="work" /> </telecom> </contact> <description value="ObservationCategory" /> <compose> <include> <system value="http://terminology.hl7.org/CodeSystem/observation-category" /> </include> <include> <system value="https://fhir.nhs.uk/CodeSystem/covid-test-pillar" /> </include> </compose> </ValueSet>