{
  "resourceType": "StructureDefinition",
  "id": "spark670",
  "meta": {
    "versionId": "spark709",
    "lastUpdated": "2015-10-02T14:29:00.342+00:00"
  },
  "url": "http://hl7.org/fhir/StructureDefinition/hspc-DeltaFlag",
  "name": "Indicate the data value in the containing model is a change from a previous instance of the same model",
  "display": "HSPC DeltaFlag Extension",
  "status": "draft",
  "publisher": "HSPC",
  "contact": [
    {
      "telecom": [
        {
          "system": "other",
          "value": "http://healthcaresoa.org"
        }
      ]
    }
  ],
  "date": "2015-02-18",
  "description": "Takes a value from the valueset listed in the model to indicate the data value in the containing model is a change from a previous instance of the same model.",
  "kind": "datatype",
  "constrainedType": "Extension",
  "abstract": false,
  "contextType": "resource",
  "context": [
    "Observation"
  ],
  "base": "http://hl7.org/fhir/StructureDefinition/Extension",
  "snapshot": {
    "element": [
      {
        "path": "Extension",
        "short": "Indicate the data value in the containing model is a change from a previous instance of the same model",
        "definition": "Takes a value from the valueset listed in the model to indicate the data value in the containing model is a change from a previous instance of the same model.",
        "comments": "This model is intended to constrain values from OBX-8 in a lab result HL7 message. Because OBX-8 is overloaded to contain multiple types of data, we need a way to tell which kind of code is sent (abnormal flag, delta flag, or ordinal interpretation.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "isModifier": false
      },
      {
        "path": "Extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "xml:id (or equivalent in JSON)",
        "definition": "unique id for the element within a resource (for internal references).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "id"
          }
        ],
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "path": "Extension.extension",
        "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.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "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.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "code": "uri"
          }
        ],
        "fixedUri": "http://hl7.org/fhir/StructureDefinition/hspc-DeltaFlag",
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "path": "Extension.valueCode",
        "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": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "code"
          }
        ],
        "binding": {
          "strength": "required",
          "description": "Indicates that the data value in the containing model is a change from a previous instance of the same model",
          "valueSetReference": {
            "reference": "http://hl7.org/fhir/ValueSet/hspc-DeltaFlag"
          }
        },
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      }
    ]
  },
  "differential": {
    "element": [
      {
        "path": "Extension",
        "short": "Indicate the data value in the containing model is a change from a previous instance of the same model",
        "definition": "Takes a value from the valueset listed in the model to indicate the data value in the containing model is a change from a previous instance of the same model.",
        "comments": "This model is intended to constrain values from OBX-8 in a lab result HL7 message. Because OBX-8 is overloaded to contain multiple types of data, we need a way to tell which kind of code is sent (abnormal flag, delta flag, or ordinal interpretation.",
        "min": 0,
        "max": "1",
        "type": [
          {
            "code": "Extension"
          }
        ],
        "isModifier": false
      },
      {
        "path": "Extension.url",
        "type": [
          {
            "code": "uri"
          }
        ],
        "fixedUri": "http://hl7.org/fhir/StructureDefinition/hspc-DeltaFlag"
      },
      {
        "path": "Extension.value[x]",
        "type": [
          {
            "code": "code"
          }
        ],
        "binding": {
          "strength": "required",
          "description": "Indicates that the data value in the containing model is a change from a previous instance of the same model",
          "valueSetReference": {
            "reference": "http://hl7.org/fhir/ValueSet/hspc-DeltaFlag"
          }
        }
      }
    ]
  }
}