<status value="retired" /> <date value="2018-02-07T09:11:22.387-03:00" /> <description value="Especifica el primer apellido de un paciente." /> <fhirVersion value="3.0.1" /> <kind value="complex-type" /> <abstract value="false" /> <contextType value="extension" /> <context value="Patient.name.family" /> <type value="Extension" /> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" /> <derivation value="specialization" /> <differential> <element id="Extension"> <path value="Extension" /> <min value="1" /> <max value="1" /> </element> <element id="Extension.url"> <path value="Extension.url" /> <fixedUri value="https://federador.msal.gob.ar/StructureDefinition/PrimerApellido" /> </element> <element id="Extension.value[x]:valueString"> <path value="Extension.valueString" /> <sliceName value="valueString" /> <code> <system value="http://www.federador.org.ar/primer_apellido" /> <display value="primer_apellido" /> </code> <comment value="It's a text containing the first surname." /> <min value="1" /> <type> <code value="string" /> </type> </element> </differential> </StructureDefinition>