{
"resourceType": "SearchParameter", "id": "us-core-Patient-ethnicity", "url": "http://hl7.org/fhir/SearchParameter/us-core-Patient-ethnicity", "name": "ethnicity", "code": "ethnicity", "base": "Patient", "type": "token", "description": "Returns patients with an ethnicity extension matching the specified code.", "xpath": "f:Patient/f:extension[@url='http://hl7.org/fhir/StructureDefinition/us-core-ethnicity']", "xpathUsage": "normal"
}