{ "description": "Returns patients with an ethnicity extension matching the specified code.", "_filename": "us-core-Patient-ethnicity.json", "package_name": "hl7.fhir.core", "date": null, "publisher": null, "name": "ethnicity", "xpath": "f:Patient/f:extension[@url='http://hl7.org/fhir/StructureDefinition/us-core-ethnicity'] | f:Patient/f:extension[@url='http://hl7.org/fhir/StructureDefinition/us-core-ethnicity']", "xpathUsage": "normal", "type": "token", "experimental": null, "resourceType": "SearchParameter", "title": null, "package_version": "1.4.0", "status": null, "id": "ceb211a1-81ae-489b-9c93-5a0a8f98863a", "kind": null, "url": "http://hl7.org/fhir/SearchParameter/us-core-Patient-ethnicity", "code": "ethnicity", "base": "Patient", "version": null }