{
  "description": "Indicates the terminology server(s) that are known to be capable of returning and potentially expanding the value set(s) associated with the whole questionnaire or a particular group or question within the questionnaire (depending on where the extension appears).  If a full URL is not provided AND the requested query is a terminology operation (e.g. $lookup or $expand) the client SHOULD execute the operation against the preferredTerminologyServer rather than the local repository.",
  "_filename": "sdc-questionnaire-preferredTerminologyServer.json",
  "package_name": "ca.on.health.sadie",
  "date": "2014-04-21",
  "derivation": "constraint",
  "meta": {
    "tag": [ {
      "code": "validation_failed_with_warning",
      "system": "https://smilecdr.com/fhir/NamingSystem/tags",
      "display": "Validation Failed with Warning"
    } ],
    "versionId": "1",
    "lastUpdated": "2021-08-31T17:28:29.278+00:00"
  },
  "publisher": "HL7 International - FHIR Infrastructure Work Group",
  "fhirVersion": "4.0.1",
  "jurisdiction": [ {
    "coding": [ {
      "code": "001",
      "system": "http://unstats.un.org/unsd/methods/m49/m49.htm"
    } ]
  } ],
  "purpose": "Not all terminology servers will necessarily have access to the codes.  If a questionnaire points to value sets, the rendering engine needs to know where to get a current expansion.",
  "name": "PreferredTerminologyServer",
  "mapping": [ {
    "uri": "http://hl7.org/v3",
    "name": "RIM Mapping",
    "identity": "rim"
  } ],
  "abstract": false,
  "type": "Extension",
  "experimental": "false",
  "resourceType": "StructureDefinition",
  "title": "Preferred terminology server",
  "package_version": "0.1.30-beta",
  "status": "active",
  "id": "8a465b70-c9f0-4cd0-8899-8f0d5abedaa6",
  "kind": "complex-type",
  "url": "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-preferredTerminologyServer",
  "context": [ {
    "type": "element",
    "expression": "Questionnaire"
  }, {
    "type": "element",
    "expression": "Questionnaire.item"
  }, {
    "type": "element",
    "expression": "Questionnaire.item.item"
  } ],
  "version": "2.8.0",
  "differential": {
    "element": [ {
      "id": "Extension",
      "max": "*",
      "min": 0,
      "path": "Extension",
      "short": "Preferred terminology server",
      "comment": "This includes those referenced by answerValueSet as well as the unitValueSet extension.",
      "definition": "Indicates the terminology server(s) that are known to be capable of returning and potentially expanding the value set(s) associated with the whole questionnaire or a particular group or question within the questionnaire (depending on where the extension appears).  If a full URL is not provided AND the requested query is a terminology operation (e.g. $lookup or $expand) the client SHOULD execute the operation against the preferredTerminologyServer rather than the local repository."
    }, {
      "id": "Extension.url",
      "path": "Extension.url",
      "type": [ {
        "code": "uri"
      } ],
      "fixedUri": "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-preferredTerminologyServer"
    }, {
      "id": "Extension.value[x]",
      "path": "Extension.value[x]",
      "type": [ {
        "code": "url"
      } ]
    } ]
  },
  "contact": [ {
    "telecom": [ {
      "value": "http://hl7.org/Special/committees/fiwg",
      "system": "url"
    } ]
  } ],
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension"
}