http://hl7.org/fhir/StructureDefinition/observation-geneticsGene|5.2.0

A region (or regions) that includes all of the sequence elements necessary to encode a functional transcript. A gene may include regulatory regions, transcribed regions and/or other functional sequence regions ([SO:0000704](http://www.sequenceontology.org/browser/current_svn/term/SO:0000704)). This element is the official gene symbol approved by the HGNC, which is a short abbreviated form of the gene name ([HGNC](http://www.genenames.org)). LOINC Code: ([48018-6](http://loinc.org/48018-6)).