<DocumentReference xmlns="http://hl7.org/fhir"><id value="example-genomicfile-cyp2c19-accession"/><identifier><system value="https://www.ncbi.nlm.nih.gov/nuccore"/><value value="NG_008384.3"/></identifier><status value="current"/><docStatus value="preliminary"/><description value="CYP2C19 gene sequence"/><securityLabel><coding><system value="http://terminology.hl7.org/CodeSystem/v3-Confidentiality"/><code value="R"/><display value="Restricted"/></coding></securityLabel><content><attachment><contentType value="text/html"/><url value="https://www.ncbi.nlm.nih.gov/nuccore/NG_008384"/><title value="Homo sapiens cytochrome P450 family 2 subfamily C member 19 (CYP2C19), RefSeqGene (LRG_584) on chromosome 10"/></attachment></content></DocumentReference>