Codesystem-data-absent-reason.xml

Definition for Code System DataAbsentReason

<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="data-absent-reason"/> 
  <meta> 
    <lastUpdated value="2017-12-20T15:52:34.818+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 style="white-space:nowrap">
            <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 style="white-space:nowrap">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 style="white-space:nowrap">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 style="white-space:nowrap">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 style="white-space:nowrap">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 style="white-space:nowrap">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 style="white-space:nowrap">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 style="white-space:nowrap">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 style="white-space:nowrap">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 style="white-space:nowrap">  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 style="white-space:nowrap">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:2.16.840.1.113883.4.642.1.6"/> 
  </identifier> 
  <version value="3.2.0"/> 
  <name value="DataAbsentReason"/> 
  <status value="draft"/> 
  <experimental value="false"/> 
  <date value="2017-12-20T15:52:34+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/codesystem-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/codesystem-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/codesystem-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>