Include these codes as defined in http://hl7.org/fhir/administrative-gender Code Display Definition male male Male. female female Female. unknown unknown Unknown.
Yes No Not Applicable Valueset built HL7 Administrative Gender Codesystem. If the 'other' value were included, this could use the standard valuesystem used by USCore http://hl7.org/fhir/R4/valueset-administrative-gender.html#4.4.1.369