{
  "resourceType": "StructureDefinition",
  "meta": {
    "lastUpdated": "2017-06-05T18:17:13.968+00:00"
  },
  "extension": [
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode": "pc"
    }
  ],
  "url": "http://healthstack.com/StructureDefinition/HealthStackReferralRequest",
  "name": "HealthStackReferralRequest",
  "status": "draft",
  "date": "2017-06-05T18:14:04.0734449+00:00",
  "fhirVersion": "3.0.0",
  "kind": "resource",
  "abstract": false,
  "type": "ReferralRequest",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/ReferralRequest",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "path": "ReferralRequest.identifier.type",
        "binding": {
          "extension": [
            {
              "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
              "valueString": "IdentifierType"
            },
            {
              "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding",
              "valueBoolean": true
            }
          ],
          "strength": "extensible",
          "valueSetReference": {
            "reference": "https://simplifier.net/CHIPProject/identifier-type"
          }
        }
      }
    ]
  }
}