<status value="active" /> <description value="Contains concepts for operation outcome tags." /> <content value="complete" /> <count value="3" /> <concept> <code value="fhir" /> <display value="fhir" /> </concept> <concept> <code value="dicom" /> <display value="dicom" /> </concept> <concept> <code value="custom" /> <display value="custom" /> </concept> </CodeSystem>