{
  "description": "If the value is not a proper value, indicates the reason.",
  "_filename": "StructureDefinition-iso21090-nullFlavor.json",
  "package_name": "rs/hl7.fhir.r2.examples",
  "date": "2012-06-24",
  "publisher": "Health Level Seven International (Modeling and Methodology)",
  "fhirVersion": "1.0.2",
  "name": "NI | OTH | NINF | PINF | UNK | ASKU | NAV | NASK | TRC | MSK | NA | QS",
  "mapping": [ {
    "uri": "http://hl7.org/v2",
    "name": "HL7 v2",
    "identity": "v2"
  }, {
    "uri": "http://hl7.org/v3",
    "name": "RIM",
    "identity": "rim"
  } ],
  "abstract": false,
  "type": null,
  "experimental": null,
  "resourceType": "StructureDefinition",
  "title": null,
  "package_version": "1.0.2",
  "snapshot": {
    "element": [ {
      "path": "Extension",
      "min": 0,
      "definition": "If the value is not a proper value, indicates the reason.",
      "short": "NI | OTH | NINF | PINF | UNK | ASKU | NAV | NASK | TRC | MSK | NA | QS",
      "comments": "Considerable care must be used when using nullFlavor in this context of FHIR - more than any other concept, this is tied to the way v3 works, and FHIR is quite different. For instance, there is no notion of a \"proper value\" as opposed to any other value in FHIR. a NullFlavor should be understood to mean, \"why information is missing\", and the nulFlavors OTH, NINF, PINF, and TRC should not be used.",
      "mapping": [ {
        "map": "n/a",
        "identity": "v2"
      }, {
        "map": "ANY.nullFlavor",
        "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": "1",
        "min": 0,
        "path": "Extension.id"
      }
    }, {
      "max": "0",
      "min": 0,
      "base": {
        "max": "*",
        "min": 0,
        "path": "Extension.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/iso21090-nullFlavor",
      "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"
      }
    }, {
      "path": "Extension.valueCode",
      "min": 1,
      "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).",
      "short": "Value of extension",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "code"
      } ],
      "binding": {
        "strength": "required",
        "description": "A collection of codes specifying why a valid value is not present",
        "valueSetReference": {
          "reference": "http://hl7.org/fhir/ValueSet/v3-NullFlavor"
        }
      },
      "max": "1",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Extension.value[x]"
      }
    } ]
  },
  "status": "draft",
  "id": "687af9be-d41a-4375-9521-ec6032cbb540",
  "kind": "datatype",
  "url": "http://hl7.org/fhir/StructureDefinition/iso21090-nullFlavor",
  "context": [ "Any" ],
  "base": "http://hl7.org/fhir/StructureDefinition/Extension",
  "version": null,
  "differential": {
    "element": [ {
      "max": "1",
      "min": 0,
      "path": "Extension",
      "type": [ {
        "code": "Extension"
      } ],
      "short": "NI | OTH | NINF | PINF | UNK | ASKU | NAV | NASK | TRC | MSK | NA | QS",
      "mapping": [ {
        "map": "n/a",
        "identity": "v2"
      }, {
        "map": "ANY.nullFlavor",
        "identity": "rim"
      } ],
      "comments": "Considerable care must be used when using nullFlavor in this context of FHIR - more than any other concept, this is tied to the way v3 works, and FHIR is quite different. For instance, there is no notion of a \"proper value\" as opposed to any other value in FHIR. a NullFlavor should be understood to mean, \"why information is missing\", and the nulFlavors OTH, NINF, PINF, and TRC should not be used.",
      "definition": "If the value is not a proper value, indicates the reason."
    }, {
      "max": "0",
      "name": "extension",
      "path": "Extension.extension"
    }, {
      "path": "Extension.url",
      "type": [ {
        "code": "uri"
      } ],
      "fixedUri": "http://hl7.org/fhir/StructureDefinition/iso21090-nullFlavor"
    }, {
      "min": 1,
      "path": "Extension.value[x]",
      "type": [ {
        "code": "code"
      } ],
      "binding": {
        "strength": "required",
        "description": "A collection of codes specifying why a valid value is not present",
        "valueSetReference": {
          "reference": "http://hl7.org/fhir/ValueSet/v3-NullFlavor"
        }
      }
    } ]
  },
  "contact": [ {
    "telecom": [ {
      "value": "http://www.hl7.org/Special/committees/mnm",
      "system": "other"
    } ]
  } ],
  "contextType": "datatype",
  "constrainedType": "Extension"
}