FQL is a query language that allows you to retrieve, filter and project data from any data source containing FHIR Resources. It brings the power of three existing languages together: SQL, JSON and FhirPath. It allows you to create tables and is useful for gaining insight and perform quality control.
<Observation xmlns="http://hl7.org/fhir"> <id value="ExampleISiKLaboruntersuchungCRP1" /> <meta> <profile value="https://gematik.de/fhir/isik/StructureDefinition/ISiKLaboruntersuchungCRP" /> </meta> <status value="final" /> <category> <coding> <system value="http://terminology.hl7.org/CodeSystem/observation-category" /> <code value="laboratory" /> </coding> </category> <code> <coding> <system value="http://loinc.org" /> <code value="1988-5" /> <display value="C-reaktives Protein [Masse/Volumen] in Serum oder Plasma" /> </coding> <coding> <system value="http://snomed.info/sct" /> <code value="55235003" /> <display value="C-reactive protein measurement" /> </coding> </code> <subject> <reference value="Patient/PatientinMusterfrau" /> </subject> <effectiveDateTime value="2021-09-01T12:00:00Z" /> <performer> <reference value="Practitioner/DrMedMusterarzt" /> </performer> <valueQuantity> <value value="7.4" /> <system value="http://unitsofmeasure.org" /> <code value="mg/L" /> </valueQuantity> <referenceRange> <high> <value value="5" /> <system value="http://unitsofmeasure.org" /> <code value="mg/L" /> </high> </referenceRange> </Observation>