<Specimen xmlns="http://hl7.org/fhir"><id value="pooled-serum"/><identifier><type><coding><system value="http://terminology.hl7.org/CodeSystem/v2-0203"/><code value="ACSN"/><display value="Accession ID"/></coding></type><system value="https://vetmed.iastate.edu/vdl"/><value value="20171120-1234"/></identifier><identifier><type><coding><system value="http://terminology.hl7.org/CodeSystem/v2-0203"/><code value="ACSN"/><display value="Accession ID"/></coding></type><system value="https://vetmed.iastate.edu/vdl"/><value value="20171120-1234"/></identifier><type><coding><system value="https://vetmed.iastate.edu/vdl"/><code value="Serum sample, pooled"/><display value="Serum sample, pooled"/></coding><text value="Pooled serum sample"/></type><subject><reference value="Group/herd1"/></subject><combined value="pooled"/><collection><collector><display value="James Herriot, FRCVS"/></collector><collectedDateTime value="2017-11-14"/></collection><container/><note><text value="Pooled serum sample from 30 individuals"/></note></Specimen>