HL7 Terminology (THO)
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This page is part of the HL7 Terminology (v7.2.0: Release) based on FHIR (HL7® FHIR® Standard) v5.0.0. This is the current published version. For a full list of available versions, see the Directory of published versions

: DirectTrust FormatCode Code System

Active as of 2026-02-09

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<NamingSystem xmlns="http://hl7.org/fhir">
  <id value="DirectTrustFormatCodeCodeSystem"/>
  <language value="en"/>
  <text>
    <status value="generated"/>
    <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: NamingSystem DirectTrustFormatCodeCodeSystem</b></p><a name="DirectTrustFormatCodeCodeSystem"> </a><a name="hcDirectTrustFormatCodeCodeSystem"> </a><h3>Summary</h3><table class="grid"><tr><td>Defining URL</td><td>http://terminology.hl7.org/NamingSystem/DirectTrustFormatCodeCodeSystem</td></tr><tr><td>Version</td><td>20260209</td></tr><tr><td>Name</td><td>DirectTrust_FormatCode_Code_System</td></tr><tr><td>Title</td><td>DirectTrust FormatCode Code System</td></tr><tr><td>Status</td><td>active</td></tr><tr><td>Definition</td><td><div><p>The system of codes to express formatCode metadata defined by implementation guides published by DirectTrust. A formatCode specifies the technical format that a Direct message's content conforms to. A formatCode is a further specialization more detailed than the mime-type. A formatCode provides sufficient information to allow any potential Content Consumer to know if it can process and/or display some or all of the content of the Direct message based on the content encoding, structure and conformance indicated by the formatCode. The set of formatCodes used across the healthcare ecosystem is intended to be extensible to easily expand interoperability.</p>
<p>See <a href="https://objects.directtrust.org/standards/terminology/codeSystem/DTFormatCodeCS.json">https://objects.directtrust.org/standards/terminology/codeSystem/DTFormatCodeCS.json</a>.</p>
</div></td></tr><tr><td>Publisher</td><td>DirectTrust</td></tr><tr><td>Copyright</td><td><div><p>The Direct Standard® data element labels and mappings to content from HL7 Version 2 are incorporated from <em>ANSI/DS2020-03-101-2024 - Event Notifications via the Direct Standard™ Release Version 1.1 - US Realm</em>, which is licensed under Creative Commons &quot;No Rights Reserved&quot; (CC0) by <a href="http://directtrust.org/">DirectTrust.org</a>, Inc. The Direct Standard™ is a trademark owned by <a href="http://directtrust.org/">DirectTrust.org</a>, Inc.</p>
</div></td></tr></table><h3>Identifiers</h3><table class="grid"><tr><td><b>Type</b></td><td><b>Value</b></td><td><b>Preferred</b></td><td><b>Period</b></td><td><b>Comment</b></td></tr><tr><td>URI</td><td>http://objects.directtrust.org/standards/terminology/codeSystem/DTFormatCodeCS</td><td>true</td><td>2026-02-09 --&gt; (ongoing)</td><td>This is the URL as specified by the terminology owner, and is considered authoritative.</td></tr></table></div>
  </text>
  <url
       value="http://terminology.hl7.org/NamingSystem/DirectTrustFormatCodeCodeSystem"/>
  <version value="20260209"/>
  <name value="DirectTrust_FormatCode_Code_System"/>
  <title value="DirectTrust FormatCode Code System"/>
  <status value="active"/>
  <kind value="codesystem"/>
  <date value="2026-02-09T00:00:00-00:00"/>
  <publisher value="DirectTrust"/>
  <contact>
    <name
          value="DirectTrust (Lisa Nelson); 629 K Street NW Suite 300; Washington, DC 20006"/>
    <telecom>
      <system value="url"/>
      <value value="https://directtrust.org/"/>
    </telecom>
    <telecom>
      <system value="email"/>
      <value value="admin@DirectTrust.org"/>
    </telecom>
  </contact>
  <responsible value="DirectTrust"/>
  <description
               value="The system of codes to express formatCode metadata defined by implementation guides published by DirectTrust. A formatCode specifies the technical format that a Direct message's content conforms to. A formatCode is a further specialization more detailed than the mime-type. A formatCode provides sufficient information to allow any potential Content Consumer to know if it can process and/or display some or all of the content of the Direct message based on the content encoding, structure and conformance indicated by the formatCode. The set of formatCodes used across the healthcare ecosystem is intended to be extensible to easily expand interoperability.

See [https://objects.directtrust.org/standards/terminology/codeSystem/DTFormatCodeCS.json](https://objects.directtrust.org/standards/terminology/codeSystem/DTFormatCodeCS.json)."/>
  <copyright
             value="The Direct Standard® data element labels and mappings to content from HL7 Version 2 are incorporated from *ANSI/DS2020-03-101-2024 - Event Notifications via the Direct Standard™ Release Version 1.1 - US Realm*, which is licensed under Creative Commons &quot;No Rights Reserved&quot; (CC0) by [DirectTrust.org](http://directtrust.org/), Inc. The Direct Standard™ is a trademark owned by [DirectTrust.org](http://directtrust.org/), Inc."/>
  <uniqueId>
    <type value="uri"/>
    <value
           value="http://objects.directtrust.org/standards/terminology/codeSystem/DTFormatCodeCS"/>
    <preferred value="true"/>
    <comment
             value="This is the URL as specified by the terminology owner, and is considered authoritative."/>
    <period>
      <start value="2026-02-09"/>
    </period>
  </uniqueId>
</NamingSystem>