<status value="active" /> <publisher value="F. Hoffmann-La Roche AG" /> <description value="This CalibrationStatus extension is used to capture the Calibration status of the CGM Device. The CGM value in the observation resource will be considered when extension CalibrationStatus = `calibrated` if the extension: CalibrationStatus = `uncalibrated` then it will be not considered as a valid entry." /> <copyright value="Copyright and related rights waived via CC0, https://creativecommons.org/publicdomain/zero/1.0/. This does not apply to information from third parties, for example a medical terminology system. The implementer alone is responsible for identifying and obtaining any necessary licenses or authorizations to utilize third party IP in connection with the specification or otherwise." /> <fhirVersion value="5.0.0" /> <kind value="complex-type" /> <abstract value="false" /> <context> <type value="element" /> <expression value="Observation" /> </context> <type value="Extension" /> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" /> <derivation value="constraint" /> <differential> <element id="Extension"> <path value="Extension" /> <max value="1" /> </element> <element id="Extension.url"> <path value="Extension.url" /> <fixedUri value="https://roche.com/fhir/iop/StructureDefinition/ext-CalibrationStatus" /> </element> <element id="Extension.value[x]"> <path value="Extension.value[x]" /> <type> <code value="string" /> </type> </element> </differential> </StructureDefinition>