{
  "description": "A logical reference (e.g. a reference to ValueSet.url) that identifies the value set/version that identifies the set of possible coded values this coding was chosen from or constrained by.",
  "_filename": "extension-valueset-reference.json",
  "package_name": "hl7.fhir.core",
  "date": "2016-03-31T08:01:25+11:00",
  "derivation": "constraint",
  "publisher": "HL7",
  "fhirVersion": "1.4.0",
  "name": "Url of Value set the code was chosen from",
  "mapping": [ {
    "uri": "http://hl7.org/v2",
    "name": "HL7 v2",
    "identity": "v2"
  }, {
    "uri": "http://hl7.org/v3",
    "name": "RIM",
    "identity": "rim"
  } ],
  "baseType": "Extension",
  "abstract": false,
  "type": null,
  "experimental": null,
  "resourceType": "StructureDefinition",
  "title": null,
  "package_version": "1.4.0",
  "snapshot": {
    "element": [ {
      "path": "Extension",
      "min": 0,
      "definition": "A logical reference (e.g. a reference to ValueSet.url) that identifies the value set/version that identifies the set of possible coded values this coding was chosen from or constrained by.",
      "isModifier": false,
      "short": "Url of Value set the code was chosen from",
      "mapping": [ {
        "map": "CWE.",
        "identity": "v2"
      }, {
        "map": "CD.valueSet/CD.valueSetVersion",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Extension"
      } ],
      "max": "1",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Extension"
      }
    }, {
      "path": "Extension.id",
      "min": 0,
      "definition": "unique id for the element within a resource (for internal references).",
      "short": "xml:id (or equivalent in JSON)",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "id"
      } ],
      "representation": [ "xmlAttr" ],
      "max": "1",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Element.id"
      }
    }, {
      "max": "0",
      "min": 0,
      "base": {
        "max": "*",
        "min": 0,
        "path": "Element.extension"
      },
      "name": "extension",
      "path": "Extension.extension",
      "type": [ {
        "code": "Extension"
      } ],
      "short": "Extension",
      "definition": "An Extension"
    }, {
      "path": "Extension.url",
      "min": 1,
      "definition": "Source of the definition for the extension code - a logical name or a URL.",
      "short": "identifies the meaning of the extension",
      "fixedUri": "http://hl7.org/fhir/StructureDefinition/valueset-reference",
      "comments": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition should be version specific.  This will ideally be the URI for the Resource Profile defining the extension, with the code for the extension after a #.",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "uri"
      } ],
      "representation": [ "xmlAttr" ],
      "max": "1",
      "base": {
        "max": "1",
        "min": 1,
        "path": "Extension.url"
      }
    }, {
      "max": "1",
      "min": 1,
      "base": {
        "max": "1",
        "min": 0,
        "path": "Extension.value[x]"
      },
      "path": "Extension.valueUri",
      "type": [ {
        "code": "uri"
      } ],
      "short": "Value of extension",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "definition": "Value of extension - may be a resource or one of a constrained set of the data types (see Extensibility in the spec for list)."
    } ]
  },
  "status": "draft",
  "id": "d395849b-a032-4983-82a6-43e69b7d85fd",
  "kind": "datatype",
  "url": "http://hl7.org/fhir/StructureDefinition/valueset-reference",
  "context": [ "Coding" ],
  "version": null,
  "differential": {
    "element": [ {
      "max": "1",
      "min": 0,
      "path": "Extension",
      "type": [ {
        "code": "Extension"
      } ],
      "short": "Url of Value set the code was chosen from",
      "mapping": [ {
        "map": "CWE.",
        "identity": "v2"
      }, {
        "map": "CD.valueSet/CD.valueSetVersion",
        "identity": "rim"
      } ],
      "definition": "A logical reference (e.g. a reference to ValueSet.url) that identifies the value set/version that identifies the set of possible coded values this coding was chosen from or constrained by.",
      "isModifier": false
    }, {
      "max": "0",
      "name": "extension",
      "path": "Extension.extension"
    }, {
      "path": "Extension.url",
      "type": [ {
        "code": "uri"
      } ],
      "fixedUri": "http://hl7.org/fhir/StructureDefinition/valueset-reference"
    }, {
      "min": 1,
      "path": "Extension.value[x]",
      "type": [ {
        "code": "uri"
      } ]
    } ]
  },
  "contextType": "datatype",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension"
}