Codesystem-data-absent-reason.xml

Definition for Code System DataAbsentReason

<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="data-absent-reason"/>
  <meta>
    <lastUpdated value="2016-12-06T12:22:34.981+11:00"/>
  </meta>
  <text>
    <status value="extensions"/>
    <div xmlns="http://www.w3.org/1999/xhtml">
      <h2>DataAbsentReason</h2>
      <div>
        <p>Used to specify why the normally expected content of the data element is missing.</p>

      </div>
      <p>This code system http://hl7.org/fhir/data-absent-reason 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="data-absent-reason-unknown"> </a>
          </td>
          <td>Unknown</td>
          <td>The value is not known.</td>
          <td/>
        </tr>
        <tr>
          <td>1</td>
          <td>asked
            <a name="data-absent-reason-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="data-absent-reason-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="data-absent-reason-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="data-absent-reason-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="data-absent-reason-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="data-absent-reason-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="data-absent-reason-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>  NaN
            <a name="data-absent-reason-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 an output value from measuring devices</td>
        </tr>
        <tr>
          <td>1</td>
          <td>not-performed
            <a name="data-absent-reason-not-performed"> </a>
          </td>
          <td>Not Performed</td>
          <td>The value is not available because the observation procedure (test, etc.) was not performed.</td>
          <td/>
        </tr>
      </table>
    </div>
  </text>
  <url value="http://hl7.org/fhir/data-absent-reason"/>
  <identifier>
    <system value="urn:ietf:rfc:3986"/>
    <value value="urn:oid:2.16.840.1.113883.4.642.1.data-absent-reason"/>
  </identifier>
  <version value="1.8.0"/>
  <name value="DataAbsentReason"/>
  <status value="draft"/>
  <experimental value="false"/>
  <date value="2016-12-06T12:22:34+11:00"/>
  <description value="Used to specify why the normally expected content of the data element is missing."/>
  <caseSensitive value="true"/>
  <valueSet value="http://hl7.org/fhir/ValueSet/data-absent-reason"/>
  <content value="complete"/>
  <concept>
    <code value="unknown"/>
    <display value="Unknown"/>
    <definition value="The value is not known."/>
  </concept>
  <concept>
    <code value="asked"/>
    <display value="Asked"/>
    <definition value="The source human does not know the value."/>
  </concept>
  <concept>
    <code value="temp"/>
    <display value="Temp"/>
    <definition value="There is reason to expect (from the workflow) that the value may become known."/>
  </concept>
  <concept>
    <code value="not-asked"/>
    <display value="Not Asked"/>
    <definition value="The workflow didn't lead to this value being known."/>
  </concept>
  <concept>
    <extension url="http://hl7.org/fhir/StructureDefinition/valueset-comments">
      <valueString value="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."/>
    </extension>
    <code value="masked"/>
    <display value="Masked"/>
    <definition value="The information is not available due to security, privacy or related reasons."/>
  </concept>
  <concept>
    <code value="unsupported"/>
    <display value="Unsupported"/>
    <definition value="The source system wasn't capable of supporting this element."/>
  </concept>
  <concept>
    <extension url="http://hl7.org/fhir/StructureDefinition/valueset-comments">
      <valueString value="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"/>
    </extension>
    <code value="astext"/>
    <display value="As Text"/>
    <definition value="The content of the data is represented in the resource narrative."/>
  </concept>
  <concept>
    <code value="error"/>
    <display value="Error"/>
    <definition value="Some system or workflow process error means that the information is not available."/>
    <concept>
      <extension url="http://hl7.org/fhir/StructureDefinition/valueset-comments">
        <valueString value="This is sometimes an output value from measuring devices"/>
      </extension>
      <code value="NaN"/>
      <display value="Not a Number"/>
      <definition value="NaN, standing for not a number, is a numeric data type value representing an undefined
       or unrepresentable value."/>
    </concept>
  </concept>
  <concept>
    <code value="not-performed"/>
    <display value="Not Performed"/>
    <definition value="The value is not available because the observation procedure (test, etc.) was not performed."/>
  </concept>
</CodeSystem>