This page is part of the FHIR Specification (v0.0.82: DSTU 1). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions 
Definition for Value SetDataAbsentReason
{
"resourceType": "ValueSet",
"text": {
"status": "generated",
"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 defines its own terms in the system http://hl7.org/fhir/data-absent-reason</p><table><tr><td><b>Code</b></td><td><b>Display</b></td><td><b>Definition</b></td><td><b><a href=\"v3\\NullFlavor\\index.html\">v3 Map (NullFlavor)</a></b></td></tr><tr><td>unknown<a name=\"unknown\"> </a></td><td/><td>The value is not known</td><td><span title=\"equal\">=</span><a href=\"v3\\NullFlavor\\index.html#UNK\">UNK</a></td></tr><tr><td>asked<a name=\"asked\"> </a></td><td/><td>The source human does not know the value</td><td><span title=\"equal\">=</span><a href=\"v3\\NullFlavor\\index.html#ASKU\">ASKU</a></td></tr><tr><td>temp<a name=\"temp\"> </a></td><td/><td>There is reason to expect (from the workflow) that the value may become known</td><td><span title=\"equal\">=</span><a href=\"v3\\NullFlavor\\index.html#NAV\">NAV</a></td></tr><tr><td>notasked<a name=\"notasked\"> </a></td><td/><td>The workflow didn't lead to this value being known</td><td><span title=\"equal\">=</span><a href=\"v3\\NullFlavor\\index.html#NASK\">NASK</a></td></tr><tr><td>masked<a name=\"masked\"> </a></td><td/><td>The information is not available due to security, privacy or related reasons</td><td><span title=\"equal\">=</span><a href=\"v3\\NullFlavor\\index.html#MSK\">MSK</a></td></tr><tr><td>unsupported<a name=\"unsupported\"> </a></td><td/><td>The source system wasn't capable of supporting this element</td><td><span title=\"wider\"><</span><a href=\"v3\\NullFlavor\\index.html#NA\">NA</a></td></tr><tr><td>astext<a name=\"astext\"> </a></td><td/><td>The content of the data is represented in the resource narrative</td><td/></tr><tr><td>error<a name=\"error\"> </a></td><td/><td>Some system or workflow process error means that the information is not available</td><td><span title=\"wider\"><</span><a href=\"v3\\NullFlavor\\index.html#NA\">NA</a></td></tr></table></div>"
},
"identifier": "http://hl7.org/fhir/vs/data-absent-reason",
"name": "DataAbsentReason",
"publisher": "HL7 (FHIR Project)",
"telecom": [
{
"system": "url",
"value": "http://hl7.org/fhir"
},
{
"system": "email",
"value": "fhir@lists.hl7.org"
}
],
"description": "Used to specify why the normally expected content of the data element is missing",
"status": "draft",
"date": "2014-09-30T18:09:16.975+10:00",
"define": {
"system": "http://hl7.org/fhir/data-absent-reason",
"caseSensitive": true,
"concept": [
{
"code": "unknown",
"definition": "The value is not known"
},
{
"code": "asked",
"definition": "The source human does not know the value"
},
{
"code": "temp",
"definition": "There is reason to expect (from the workflow) that the value may become known"
},
{
"code": "notasked",
"definition": "The workflow didn't lead to this value being known"
},
{
"code": "masked",
"definition": "The information is not available due to security, privacy or related reasons"
},
{
"code": "unsupported",
"definition": "The source system wasn't capable of supporting this element"
},
{
"code": "astext",
"definition": "The content of the data is represented in the resource narrative"
},
{
"code": "error",
"definition": "Some system or workflow process error means that the information is not available"
}
]
}
}