<Observation xmlns="http://hl7.org/fhir"><id value="f002"/><identifier><use value="official"/><system value="http://www.bmc.nl/zorgportal/identifiers/observations"/><value value="6324"/></identifier><status value="final"/><code><coding><system value="http://loinc.org"/><code value="11555-0"/><display value="Base excess in Blood by calculation"/></coding></code><subject><reference value="Patient/f001"/><display value="P. van de Heuvel"/></subject><effectiveDateTime value="2013-04-02T10:30:10+01:00"/><issued value="2013-04-03T15:30:10+01:00"/><performer><reference value="Practitioner/f005"/><display value="A. Langeveld"/></performer><valueQuantity><value value="12.6"/><unit value="mmol/l"/><system value="http://unitsofmeasure.org"/><code value="mmol/L"/></valueQuantity><interpretation><coding><system value="http://terminology.hl7.org/CodeSystem/v3-ObservationInterpretation"/><code value="H"/><display value="High"/></coding></interpretation><referenceRange><low><value value="7.1"/><unit value="mmol/l"/><system value="http://unitsofmeasure.org"/><code value="mmol/L"/></low><high><value value="11.2"/><unit value="mmol/l"/><system value="http://unitsofmeasure.org"/><code value="mmol/L"/></high></referenceRange></Observation>