DSTU2 STU 3 Ballot
This page is part of the FHIR Specification (v1.0.2: DSTU 2). The current version which supercedes this version is

This page is part of the FHIR Specification (v1.6.0: STU 3 Ballot 4). The current version which supercedes this version is 5.0.0 . For a full list of available versions, see the Directory of published versions . For a full list of available versions, see the Directory of published versions . Page versions: . Page versions: R4B R4 R3 R2

Extension-valueset-usage.json Raw JSON (

Raw JSON ( canonical form canonical form ) Who has used and how? )

Who has used and how?

{
  "resourceType": "StructureDefinition",
  "id": "valueset-usage",
  "url": "http://hl7.org/fhir/StructureDefinition/valueset-usage",
  "name": "Who has used and how?",
  "status": "draft",
  "publisher": "HL7",
  "date": "2015-10-24T07:41:03+11:00",

  "date": "2016-08-11T17:02:54+10:00",

  "description": "Consumers of the value set and the implementations, projects or standards that the author has utilized the value set in.",
  "fhirVersion": "1.0.2",
  "kind": "datatype",
  "constrainedType": "Extension",

  "fhirVersion": "1.6.0",
  "mapping": [
    {
      "identity": "rim",
      "uri": "http://hl7.org/v3",
      "name": "RIM Mapping"
    }
  ],
  "kind": "complex-type",

  "abstract": false,
  "contextType": "resource",
  "context": [
    "ValueSet"
  ],
  "base": "http://hl7.org/fhir/StructureDefinition/Extension",

  "type": "Extension",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation": "constraint",

  "snapshot": {
    "element": [
      {
        "id": "Extension:whohasusedandhow?",

        "path": "Extension",
        "short": "Who has used and how?",
        "definition": "Consumers of the value set and the implementations, projects or standards that the author has utilized the value set in.",
        "comments": "This is likely to be a ???point in time??? view and should not be considered an authoritative listing of all uses of the value set.",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Extension",
          "min": 0,
          "max": "*"
        },
        "type": [

        "condition": [
          "ele-1"
        ],
        "constraint": [

          {
            "code": "Extension"

            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "children().count() > id.count()",
            "xpath": "@value|f:*|h:div"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])"

          }
        ],
        "isModifier": false
      },
      {
        "id": "Extension:whohasusedandhow?.id",

        "path": "Extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "xml:id (or equivalent in JSON)",
        "definition": "unique id for the element within a resource (for internal references).",

        "definition": "unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",

        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.id",

          "path": "Element.id",

          "min": 0,
          "max": "1"

          "max": "*"

        },
        "type": [
          {
            "code": "id"

            "code": "string"

          }
        ],
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension:whohasusedandhow?.extension",

        "path": "Extension.extension",
        "slicing": {
          "id": "79",

          "discriminator": [
            "url"
          ],
          "ordered": false,
          "rules": "open"
        },
        "short": "Additional Content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. In order to make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comments": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],

        "short": "Extension",
        "definition": "An Extension",

        "min": 0,
        "max": "*",
        "base": {
          "path": "Extension.extension",

          "path": "Element.extension",

          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }

        ]
      },
      {
        "id": "Extension:whohasusedandhow?.extension:user",

        "path": "Extension.extension",
        "name": "user",
        "short": "A consumer of or client for the value set",
        "definition": "This is most likely to be an organization but can be an individual. It would not be a program, that information should be recorded in the usage.use.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.extension",

          "path": "Element.extension",

          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "isModifier": false
      },
      {
        "id": "Extension:whohasusedandhow?.extension:user.id",

        "path": "Extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "xml:id (or equivalent in JSON)",
        "definition": "unique id for the element within a resource (for internal references).",

        "definition": "unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",

        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.id",

          "path": "Element.id",

          "min": 0,
          "max": "1"

          "max": "*"

        },
        "type": [
          {
            "code": "id"

            "code": "string"

          }
        ],
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension:whohasusedandhow?.extension:user.extension:extension",

        "path": "Extension.extension.extension",
        "name": "extension",
        "short": "Extension",
        "definition": "An Extension",
        "min": 0,
        "max": "0",
        "base": {
          "path": "Extension.extension",

          "path": "Element.extension",

          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ]
      },
      {
        "id": "Extension:whohasusedandhow?.extension:user.url",

        "path": "Extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "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 #.",

        "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 SHALL be a URI for the Structure Definition defining the extension.",

        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "code": "uri"
          }
        ],
        "fixedUri": "user",
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension:whohasusedandhow?.extension:user.valueString",

        "path": "Extension.extension.valueString",
        "short": "Value of extension",
        "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).",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ],
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension:whohasusedandhow?.extension:use",

        "path": "Extension.extension",
        "name": "use",
        "short": "Implementation/project/standard that uses value set",
        "definition": "A descriptive name of the project or standard in which the value set is used.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.extension",

          "path": "Element.extension",

          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "isModifier": false
      },
      {
        "id": "Extension:whohasusedandhow?.extension:use.id",

        "path": "Extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "xml:id (or equivalent in JSON)",
        "definition": "unique id for the element within a resource (for internal references).",

        "definition": "unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",

        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.id",

          "path": "Element.id",

          "min": 0,
          "max": "1"

          "max": "*"

        },
        "type": [
          {
            "code": "id"

            "code": "string"

          }
        ],
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension:whohasusedandhow?.extension:use.extension:extension",

        "path": "Extension.extension.extension",
        "name": "extension",
        "short": "Extension",
        "definition": "An Extension",
        "min": 0,
        "max": "0",
        "base": {
          "path": "Extension.extension",

          "path": "Element.extension",

          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ]
      },
      {
        "id": "Extension:whohasusedandhow?.extension:use.url",

        "path": "Extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "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 #.",

        "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 SHALL be a URI for the Structure Definition defining the extension.",

        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "code": "uri"
          }
        ],
        "fixedUri": "use",
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension:whohasusedandhow?.extension:use.valueString",

        "path": "Extension.extension.valueString",
        "short": "Value of extension",
        "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).",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ],
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension:whohasusedandhow?.url",

        "path": "Extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "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 #.",

        "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 SHALL be a URI for the Structure Definition defining the extension.",

        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "code": "uri"
          }
        ],
        "fixedUri": "http://hl7.org/fhir/StructureDefinition/valueset-usage",
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension:whohasusedandhow?.value[x]",

        "path": "Extension.value[x]",
        "short": "Value of extension",
        "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).",
        "min": 0,
        "max": "0",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "base64Binary"
          },
          {

            "code": "boolean"
          },
          {
            "code": "integer"

            "code": "code"

          },
          {
            "code": "decimal"

            "code": "date"

          },
          {
            "code": "base64Binary"

            "code": "dateTime"

          },
          {
            "code": "instant"

            "code": "decimal"

          },
          {
            "code": "string"

            "code": "id"

          },
          {
            "code": "uri"

            "code": "instant"

          },
          {
            "code": "date"

            "code": "integer"

          },
          {
            "code": "dateTime"

            "code": "markdown"

          },
          {
            "code": "time"

            "code": "oid"

          },
          {
            "code": "code"

            "code": "positiveInt"

          },
          {
            "code": "oid"

            "code": "string"

          },
          {
            "code": "id"

            "code": "time"

          },
          {
            "code": "unsignedInt"
          },
          {
            "code": "positiveInt"

            "code": "uri"

          },
          {
            "code": "markdown"

            "code": "Address"

          },
          {
            "code": "Annotation"

            "code": "Age"

          },
          {
            "code": "Attachment"

            "code": "Annotation"

          },
          {
            "code": "Identifier"

            "code": "Attachment"

          },
          {
            "code": "CodeableConcept"
          },
          {
            "code": "Coding"
          },
          {
            "code": "Quantity"

            "code": "ContactPoint"

          },
          {
            "code": "Range"

            "code": "Count"

          },
          {
            "code": "Period"

            "code": "Distance"

          },
          {
            "code": "Ratio"

            "code": "Duration"

          },
          {
            "code": "SampledData"

            "code": "HumanName"

          },
          {
            "code": "Signature"

            "code": "Identifier"

          },
          {
            "code": "HumanName"

            "code": "Money"

          },
          {
            "code": "Address"

            "code": "Period"

          },
          {
            "code": "ContactPoint"

            "code": "Quantity"

          },
          {
            "code": "Timing"

            "code": "Range"
          },
          {
            "code": "Ratio"

          },
          {
            "code": "Reference"
          },
          {
            "code": "SampledData"
          },
          {
            "code": "Signature"
          },
          {
            "code": "Timing"
          },
          {

            "code": "Meta"
          }
        ],
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      }
    ]
  },
  "differential": {
    "element": [
      {
        "id": "Extension:whohasusedandhow?",

        "path": "Extension",
        "short": "Who has used and how?",
        "definition": "Consumers of the value set and the implementations, projects or standards that the author has utilized the value set in.",
        "comments": "This is likely to be a ???point in time??? view and should not be considered an authoritative listing of all uses of the value set.",
        "min": 0,
        "max": "*",
        "type": [
          {
            "code": "Extension"
          }
        ],

        "isModifier": false
      },
      {
        "id": "Extension:whohasusedandhow?.extension:user",

        "path": "Extension.extension",
        "name": "user",
        "short": "A consumer of or client for the value set",
        "definition": "This is most likely to be an organization but can be an individual. It would not be a program, that information should be recorded in the usage.use.",
        "min": 1,
        "max": "1",
        "type": [
          {
            "code": "Extension"
          }
        ],
        "isModifier": false
      },
      {
        "id": "Extension:whohasusedandhow?.extension:user.extension:extension",

        "path": "Extension.extension.extension",
        "name": "extension",
        "max": "0"
      },
      {
        "id": "Extension:whohasusedandhow?.extension:user.url",

        "path": "Extension.extension.url",
        "type": [
          {
            "code": "uri"
          }
        ],
        "fixedUri": "user"
      },
      {
        "id": "Extension:whohasusedandhow?.extension:user.value[x]",

        "path": "Extension.extension.value[x]",
        "min": 1,
        "type": [
          {
            "code": "string"
          }
        ]
      },
      {
        "id": "Extension:whohasusedandhow?.extension:use",

        "path": "Extension.extension",
        "name": "use",
        "short": "Implementation/project/standard that uses value set",
        "definition": "A descriptive name of the project or standard in which the value set is used.",
        "min": 1,
        "max": "1",
        "type": [
          {
            "code": "Extension"
          }
        ],
        "isModifier": false
      },
      {
        "id": "Extension:whohasusedandhow?.extension:use.extension:extension",

        "path": "Extension.extension.extension",
        "name": "extension",
        "max": "0"
      },
      {
        "id": "Extension:whohasusedandhow?.extension:use.url",

        "path": "Extension.extension.url",
        "type": [
          {
            "code": "uri"
          }
        ],
        "fixedUri": "use"
      },
      {
        "id": "Extension:whohasusedandhow?.extension:use.value[x]",

        "path": "Extension.extension.value[x]",
        "min": 1,
        "type": [
          {
            "code": "string"
          }
        ]
      },
      {
        "id": "Extension:whohasusedandhow?.url",

        "path": "Extension.url",
        "type": [
          {
            "code": "uri"
          }
        ],
        "fixedUri": "http://hl7.org/fhir/StructureDefinition/valueset-usage"
      },
      {
        "id": "Extension:whohasusedandhow?.value[x]",

        "path": "Extension.value[x]",
        "min": 0,
        "max": "0"
      }
    ]
  }
}
Usage
note:
every
effort
has
been
made
to
ensure
that
the
examples
are
correct
and
useful,
but
they
are
not
a
normative
part
of
the
specification.
©
HL7.org
2011+.
FHIR
DSTU2
(v1.0.2-7202)
generated
on
Sat,
Oct
24,
2015
07:43+1100.
Links:

Usage note: every effort has been made to ensure that the examples are correct and useful, but they are not a normative part of the specification.