{
  "resourceType": "SearchParameter",
  "id": "medications-identifier",
  "url": "http://hl7.org/fhir/SearchParameter/medications-identifier",
  "name": "identifier",
  "status": "draft",
  "experimental": false,
  "publisher": "Health Level Seven International (Pharmacy)",
  "contact": [
    {
      "telecom": [
        {
          "system": "url",
          "value": "http://hl7.org/fhir"
        }
      ]
    },
    {
      "telecom": [
        {
          "system": "url",
          "value": "http://www.hl7.org/Special/committees/medication/index.cfm"
        }
      ]
    }
  ],
  "code": "identifier",
  "base": [
    "MedicationRequest",
    "MedicationAdministration",
    "MedicationStatement",
    "MedicationDispense"
  ],
  "type": "token",
  "description": "Multiple Resources: \r\n\r\n* [MedicationRequest](medicationrequest.html): Return prescriptions with this external identifier\r\n* [MedicationAdministration](medicationadministration.html): Return administrations with this external identifier\r\n* [MedicationStatement](medicationstatement.html): Return statements with this external identifier\r\n* [MedicationDispense](medicationdispense.html): Return dispenses with this external identifier",
  "expression": "MedicationRequest.identifier | MedicationAdministration.identifier | MedicationStatement.identifier | MedicationDispense.identifier",
  "xpath": "f:MedicationRequest/f:identifier | f:MedicationAdministration/f:identifier | f:MedicationStatement/f:identifier | f:MedicationDispense/f:identifier",
  "xpathUsage": "normal"
}