{

"resourceType": "ValueSet",
"id": "data-absent-reason",
"meta": {
  "lastUpdated": "2015-10-24T07:41:03.495+11:00",
  "profile": [
    "http://hl7.org/fhir/StructureDefinition/valueset-shareable-definition"
  ]
},
"text": {
  "status": "extensions",
  "div": "<div><h2>DataAbsentReason</h2><p>Used to specify why the normally expected content of the data element is missing.</p><p>This value set has an inline code system http://hl7.org/fhir/data-absent-reason, which defines the following codes:</p><table class=\"codes\"><tr><td><b>Lvl</b></td><td><b>Code</b></td><td><b>Display</b></td><td><b>Definition</b></td><td><b>Comments</b></td></tr><tr><td>1</td><td>unknown<a name=\"unknown\"> </a></td><td>Unknown</td><td>The value is not known.</td><td/></tr><tr><td>1</td><td>asked<a name=\"asked\"> </a></td><td>Asked</td><td>The source human does not know the value.</td><td/></tr><tr><td>1</td><td>temp<a name=\"temp\"> </a></td><td>Temp</td><td>There is reason to expect (from the workflow) that the value may become known.</td><td/></tr><tr><td>1</td><td>not-asked<a name=\"not-asked\"> </a></td><td>Not Asked</td><td>The workflow didn't lead to this value being known.</td><td/></tr><tr><td>1</td><td>masked<a name=\"masked\"> </a></td><td>Masked</td><td>The information is not available due to security, privacy or related reasons.</td><td>Using &quot;masked&quot; may be breach of security or confidentiality, but there are times when its use is required to support alternate workflows for gaining access to denied information.</td></tr><tr><td>1</td><td>unsupported<a name=\"unsupported\"> </a></td><td>Unsupported</td><td>The source system wasn't capable of supporting this element.</td><td/></tr><tr><td>1</td><td>astext<a name=\"astext\"> </a></td><td>As Text</td><td>The content of the data is represented in the resource narrative.</td><td>it may be linked by internal references (e.g. xml:id). This usually implies that the value could not be represented in the correct format - this may be due to system limitations, or this particular data value</td></tr><tr><td>1</td><td>error<a name=\"error\"> </a></td><td>Error</td><td>Some system or workflow process error means that the information is not available.</td><td/></tr><tr><td>2</td><td>&nbsp;&nbsp;NaN<a name=\"NaN\"> </a></td><td>Not a Number</td><td>NaN, standing for not a number, is a numeric data type value representing an undefined or unrepresentable value.</td><td>This is sometimes ab output value from measuring devices</td></tr></table></div>"
},
"extension": [
  {
    "url": "http://hl7.org/fhir/StructureDefinition/valueset-oid",
    "valueUri": "urn:oid:2.16.840.1.113883.4.642.2.3"
  }
],
"url": "http://hl7.org/fhir/ValueSet/data-absent-reason",
"version": "1.0.2",
"name": "DataAbsentReason",
"status": "draft",
"experimental": false,
"publisher": "HL7 (FHIR Project)",
"contact": [
  {
    "telecom": [
      {
        "system": "other",
        "value": "http://hl7.org/fhir"
      },
      {
        "system": "email",
        "value": "fhir@lists.hl7.org"
      }
    ]
  }
],
"date": "2015-10-24T07:41:03+11:00",
"description": "Used to specify why the normally expected content of the data element is missing.",
"codeSystem": {
  "extension": [
    {
      "url": "http://hl7.org/fhir/StructureDefinition/valueset-oid",
      "valueUri": "urn:oid:2.16.840.1.113883.4.642.1.3"
    }
  ],
  "system": "http://hl7.org/fhir/data-absent-reason",
  "version": "1.0.2",
  "caseSensitive": true,
  "concept": [
    {
      "code": "unknown",
      "display": "Unknown",
      "definition": "The value is not known."
    },
    {
      "code": "asked",
      "display": "Asked",
      "definition": "The source human does not know the value."
    },
    {
      "code": "temp",
      "display": "Temp",
      "definition": "There is reason to expect (from the workflow) that the value may become known."
    },
    {
      "code": "not-asked",
      "display": "Not Asked",
      "definition": "The workflow didn't lead to this value being known."
    },
    {
      "extension": [
        {
          "url": "http://hl7.org/fhir/StructureDefinition/valueset-comments",
          "valueString": "Using \"masked\" may be breach of security or confidentiality, but there are times when its use is required to support alternate workflows for gaining access to denied information."
        }
      ],
      "code": "masked",
      "display": "Masked",
      "definition": "The information is not available due to security, privacy or related reasons."
    },
    {
      "code": "unsupported",
      "display": "Unsupported",
      "definition": "The source system wasn't capable of supporting this element."
    },
    {
      "extension": [
        {
          "url": "http://hl7.org/fhir/StructureDefinition/valueset-comments",
          "valueString": "it may be linked by internal references (e.g. xml:id). This usually implies that the value could not be represented in the correct format - this may be due to system limitations, or this particular data value"
        }
      ],
      "code": "astext",
      "display": "As Text",
      "definition": "The content of the data is represented in the resource narrative."
    },
    {
      "code": "error",
      "display": "Error",
      "definition": "Some system or workflow process error means that the information is not available.",
      "concept": [
        {
          "extension": [
            {
              "url": "http://hl7.org/fhir/StructureDefinition/valueset-comments",
              "valueString": "This is sometimes ab output value from measuring devices"
            }
          ],
          "code": "NaN",
          "display": "Not a Number",
          "definition": "NaN, standing for not a number, is a numeric data type value representing an undefined or unrepresentable value."
        }
      ]
    }
  ]
}

}