Clinical Document Architecture, published by Health Level 7. This guide is not an authorized publication; it is the continuous build for version 2.0.0-sd-ballot built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/ahdis/cda-core-2.0/ and changes regularly. See the Directory of published versions

• Narrative Content
• XML
• JSON

: CompressionAlgorithm - XML Representation

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<ValueSet xmlns="http://hl7.org/fhir">
  <id value="CDACompressionAlgorithm"/>
  <text>
    <status value="extensions"/>
    <div xmlns="http://www.w3.org/1999/xhtml"><ul><li>Include these codes as defined in <a href="http://terminology.hl7.org/5.2.0/CodeSystem-v3-CompressionAlgorithm.html"><code>http://terminology.hl7.org/CodeSystem/v3-CompressionAlgorithm</code></a> version <code>2.1.1</code><table class="none"><tr><td style="white-space:nowrap"><b>Code</b></td><td><b>Display</b></td><td><b>Definition</b></td></tr><tr><td><a href="http://terminology.hl7.org/5.2.0/CodeSystem-v3-CompressionAlgorithm.html#v3-CompressionAlgorithm-DF">DF</a></td><td style="color: #cccccc">deflate</td><td>The deflate compressed data format as specified in RFC 1951 \[http://www.ietf.org/rfc/rfc1951.txt\].</td></tr><tr><td><a href="http://terminology.hl7.org/5.2.0/CodeSystem-v3-CompressionAlgorithm.html#v3-CompressionAlgorithm-GZ">GZ</a></td><td style="color: #cccccc">gzip</td><td>A compressed data format that is compatible with the widely used GZIP utility as specified in RFC 1952 \[http://www.ietf.org/rfc/rfc1952.txt\] (uses the deflate algorithm).</td></tr><tr><td><a href="http://terminology.hl7.org/5.2.0/CodeSystem-v3-CompressionAlgorithm.html#v3-CompressionAlgorithm-ZL">ZL</a></td><td style="color: #cccccc">zlib</td><td>A compressed data format that also uses the deflate algorithm. Specified as RFC 1950 \[http://www.ietf.org/rfc/rfc1952.txt\]</td></tr><tr><td><a href="http://terminology.hl7.org/5.2.0/CodeSystem-v3-CompressionAlgorithm.html#v3-CompressionAlgorithm-Z">Z</a></td><td style="color: #cccccc">compress</td><td>Original UNIX compress algorithm and file format using the LZC algorithm (a variant of LZW). Patent encumbered and less efficient than deflate.</td></tr></table></li></ul></div>
  </text>
  <url value="http://hl7.org/cda/stds/core/ValueSet/CDACompressionAlgorithm"/>
  <version value="2.0.0-sd-ballot"/>
  <name value="CDACompressionAlgorithm"/>
  <title value="CompressionAlgorithm"/>
  <status value="draft"/>
  <experimental value="false"/>
  <date value="2024-03-04T16:15:02+00:00"/>
  <publisher value="Health Level 7"/>
  <contact>
    <name value="HL7 International - Structured Documents"/>
    <telecom>
      <system value="url"/>
      <value value="http://www.hl7.org/Special/committees/structure"/>
    </telecom>
    <telecom>
      <system value="email"/>
      <value value="structdog@lists.HL7.org"/>
    </telecom>
  </contact>
  <description
               value="Type of compression algorithm used - limited to 4 concepts from original CDA definition"/>
  <compose>
    <include>
      <system
              value="http://terminology.hl7.org/CodeSystem/v3-CompressionAlgorithm"/>
      <version value="2.1.1"/>
      <concept>
        <code value="DF"/>
      </concept>
      <concept>
        <code value="GZ"/>
      </concept>
      <concept>
        <code value="ZL"/>
      </concept>
      <concept>
        <code value="Z"/>
      </concept>
    </include>
  </compose>
</ValueSet>