{description: Returns patients with an ethnicity extension matching the specified code., package_name: hl7.fhir.us.core.r4, name: USCoreEthnicity, type: token, package_version: 6.0.0-ballot, class: unknown, kind: null, url: 'http://hl7.org/fhir/us/core/SearchParameter/us-core-ethnicity', version: 6.0.0-ballot}