{
  "resourceType": "SearchParameter",
  "id": "us-core-ethnicity",
  "text": {
    "status": "generated",
    "div": "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p><b>Generated Narrative with Details</b></p><p><b>id</b>: us-core-ethnicity</p><p><b>url</b>: <a href=\"http://hl7.org/fhir/us/core/SearchParameter/us-core-ethnicity\">http://hl7.org/fhir/us/core/SearchParameter/us-core-ethnicity</a></p><p><b>name</b>: USCoreEthnicity</p><p><b>status</b>: draft</p><p><b>date</b>: 22/12/2016</p><p><b>publisher</b>: US Realm Steering Committee</p><p><b>contact</b>: </p><p><b>code</b>: ethnicity</p><p><b>base</b>: Patient</p><p><b>type</b>: token</p><p><b>description</b>: Returns patients with an ethnicity extension matching the specified code.</p><p><b>expression</b>: Patient.extension.where(url = 'http://hl7.org/fhir/us/core/StructureDefinition/us-core-ethnicity').extension.value.code</p><p><b>xpath</b>: f:Patient/f:extension[@url='http://hl7.org/fhir/us/core/StructureDefinition/us-core-ethnicity']/f:extension/f:valueCoding/f:code/@value</p><p><b>xpathUsage</b>: normal</p></div>"
  },
  "url": "http://hl7.org/fhir/us/core/SearchParameter/us-core-ethnicity",
  "name": "USCoreEthnicity",
  "status": "draft",
  "date": "2016-12-22",
  "publisher": "US Realm Steering Committee",
  "contact": [
    {
      "telecom": [
        {
          "system": "other",
          "value": "http://www.healthit.gov/"
        }
      ]
    }
  ],
  "code": "ethnicity",
  "base": [
    "Patient"
  ],
  "type": "token",
  "description": "Returns patients with an ethnicity extension matching the specified code.",
  "expression": "Patient.extension.where(url = 'http://hl7.org/fhir/us/core/StructureDefinition/us-core-ethnicity').extension.value.code",
  "xpath": "f:Patient/f:extension[@url='http://hl7.org/fhir/us/core/StructureDefinition/us-core-ethnicity']/f:extension/f:valueCoding/f:code/@value",
  "xpathUsage": "normal"
}