<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="conditional-read-status" />
  <meta>
    <lastUpdated value="2017-04-19T07:44:43.294+10:00" />
  </meta>
  <text>
    <status value="generated" />
    <div xmlns="http://www.w3.org/1999/xhtml">
      <h2>ConditionalReadStatus</h2>
      <div>
        <p>A code that indicates how the server supports conditional read.</p>
      </div>
      <p>This code system http://hl7.org/fhir/conditional-read-status defines the following codes:</p>
      <table class="codes">
        <tr>
          <td>
            <b>Code</b>
          </td>
          <td>
            <b>Display</b>
          </td>
          <td>
            <b>Definition</b>
          </td>
        </tr>
        <tr>
          <td>not-supported
                  <a name="conditional-read-status-not-supported"></a></td>
          <td>Not Supported</td>
          <td>No support for conditional deletes.</td>
        </tr>
        <tr>
          <td>modified-since
                  <a name="conditional-read-status-modified-since"></a></td>
          <td>If-Modified-Since</td>
          <td>Conditional reads are supported, but only with the If-Modified-Since HTTP Header.</td>
        </tr>
        <tr>
          <td>not-match
                  <a name="conditional-read-status-not-match"></a></td>
          <td>If-None-Match</td>
          <td>Conditional reads are supported, but only with the If-None-Match HTTP Header.</td>
        </tr>
        <tr>
          <td>full-support
                  <a name="conditional-read-status-full-support"></a></td>
          <td>Full Support</td>
          <td>Conditional reads are supported, with both If-Modified-Since and If-None-Match HTTP Headers.</td>
        </tr>
      </table>
    </div>
  </text>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-ballot-status">
    <valueString value="Informative" />
  </extension>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
    <valueInteger value="3" />
  </extension>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="fhir" />
  </extension>
  <url value="http://hl7.org/fhir/conditional-read-status" />
  <identifier>
    <system value="urn:ietf:rfc:3986" />
    <value value="urn:oid:2.16.840.1.113883.4.642.1.191" />
  </identifier>
  <version value="3.0.1" />
  <name value="ConditionalReadStatus" />
  <status value="draft" />
  <experimental value="false" />
  <date value="2017-04-19T07:44:43+10:00" />
  <publisher value="HL7 (FHIR Project)" />
  <contact>
    <telecom>
      <system value="url" />
      <value value="http://hl7.org/fhir" />
    </telecom>
    <telecom>
      <system value="email" />
      <value value="fhir@lists.hl7.org" />
    </telecom>
  </contact>
  <description value="A code that indicates how the server supports conditional read." />
  <caseSensitive value="true" />
  <valueSet value="http://hl7.org/fhir/ValueSet/conditional-read-status" />
  <content value="complete" />
  <concept>
    <code value="not-supported" />
    <display value="Not Supported" />
    <definition value="No support for conditional deletes." />
  </concept>
  <concept>
    <code value="modified-since" />
    <display value="If-Modified-Since" />
    <definition value="Conditional reads are supported, but only with the If-Modified-Since HTTP Header." />
  </concept>
  <concept>
    <code value="not-match" />
    <display value="If-None-Match" />
    <definition value="Conditional reads are supported, but only with the If-None-Match HTTP Header." />
  </concept>
  <concept>
    <code value="full-support" />
    <display value="Full Support" />
    <definition value="Conditional reads are supported, with both If-Modified-Since and If-None-Match HTTP Headers." />
  </concept>
</CodeSystem>