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<div class="h1">NLM Health Data Standards Branch</div>
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<br /> <br />
<!-- <a id="top"></a><br><img src="/bsd/HDSimage.png" alt="HDS icon" width="40%"><br> -->
<h5><strong>Our vision: Better health care and accelerated research discoveries are enabled through data.</strong></h5>
<h5><strong>Our mission: Curate and coordinate health data standards to enable health information exchange and biomedical discovery.</strong></h5>
<br>
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<p><strong>
Health Data Standards Branch Spotlights
</strong></p>
</center>
<ul>
<li><a href="https://www.nlm.nih.gov/healthit/index.html">Health Information Technology and Health Data Standards at NLM</a>
</li>
<li><a href="https://www.nlm.nih.gov/research/umls/user_education/learning_resources.html">Learning Resources</a>
</li>
<li><a href="https://uts.nlm.nih.gov/uts/signup-login">Request a UMLS License</a>
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<li><a href="https://www.nlm.nih.gov/research/umls/support.html">Get in Touch</a>
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<br>
<a id="programs"></a>
<p><h3>Branch programs, products, and services include:</h3></p>
<h4><a id="CVSP"></a>Controlled Vocabulary Services Program</h4>
<p>Our mission: Develop and apply controlled vocabulary for improved access to biomedical information resources</p>
<ul>
<li>
<strong>MEDLINE Curation</strong>
<ul>
<li>Curation of machine-indexed MEDLINE citations</li>
<li>Manual indexing of MEDLINE citations</li>
<li>Gene curation</li>
<li>Chemical curation</li>
<li>Curation and indexing workflow analysis</li>
</ul>
</li><br />
<li>
<strong>Machine indexing algorithm (MTIX) development</strong>
</li><br />
<li>
<strong><a href="https://www.nlm.nih.gov/mesh/meshhome.html">Medical Subject Headings (MeSH)</a></strong>
<br>MeSH terms, part of a controlled and hierarchically organized vocabulary produced by NLM, are used to
index, catalog, and search biomedical and health-related information
<ul>
<li>MeSH content development</li>
<li>MeSH systems maintenance and development</li>
</ul>
</li><br />
<li>
<strong><a href="https://meshb.nlm.nih.gov/search">MeSH Browser</a></strong>
<br>An interactive Web application for searching and browsing MeSH data
</li><br />
<li>
<strong><a href="https://meshb.nlm.nih.gov/MeSHonDemand">MeSH on Demand</a></strong>
<br>Identifies MeSH terms in user-submitted text (abstract or manuscript) and lists PubMed articles
relevant to user-submitted text
</li><br />
<li>
<strong>MeSH/UMLS Mapping File</strong>
<br>Providing searched term mapped with MeSH to match the term entered with the vocabulary that an indexer
used to describe articles in PubMed
</li>
</ul>
<br />
<hr />
<br />
<h4><a id="TSP"></a>Terminology Services Program</h4>
<p>Our mission: Curate, promote, and distribute health data standards and terminology resources
<p>Curation of terminology products:</p>
<ul>
<li><a href="https://www.nlm.nih.gov/research/umls/rxnorm/index.html"><strong>RxNorm</strong> </a><br>
Provides normalized names for clinical drugs and links those names to many of the drug vocabularies
commonly used in
pharmacy management and drug interaction software</li><br />
<li><a href="https://www.nlm.nih.gov/healthit/snomedct/index.html"><strong>SNOMED CT</strong> </a><br>
A comprehensive clinical terminology and a designated standard for use in U.S. Federal Government
systems
for the electronic
exchange of
clinical health information.</li><br />
<li><a href="https://www.nlm.nih.gov/research/umls/index.html"><strong>Unified Medical Language System
(UMLS)</strong> </a><br>
Set of files and software that brings together many health and biomedical vocabularies and standards to
enable
interoperability between computer systems.</li><br />
<li><a href="https://dailymed.nlm.nih.gov/dailymed/"><strong>DailyMed </strong> </a><br>Searchable database
providing trustworthy
information about marketed drugs in the United States and the most recent
labeling submitted to the Food and Drug Administration (FDA) by companies.</li><br />
<li><a href="https://accessgudid.nlm.nih.gov/"><strong>AccessGUDID</strong> </a><br> (Global Unique Device
Identification
Database)
Contains key device identification information submitted to the FDA about medical devices that
have Unique Device
Identifiers (UDI).
</li>
</ul>
<p>User systems for terminology products:</p>
<ul>
<li><a href="https://uts.nlm.nih.gov/uts/"><strong>UMLS Terminology Services (UTS)</strong> </a><br>
A UTS account provides access to the UMLS, the Value Set Authority Center (VSAC), RxNorm downloads,
SNOMED CT
downloads and
more</li><br />
<li><a href="https://vsac.nlm.nih.gov/"><strong>Value Set Authority Center (VSAC)</strong> </a><br>
A repository and authoring tool for standard lists of codes and terms from biomedical vocabularies,
which are typically used in health care quality measures.</li><br />
<li><a href="https://cde.nlm.nih.gov/home"><strong>NIH Common Data Elements (CDE) Repository</strong>
</a><br>Data elements (or variables) that are defined and used the same way across multiple studies,
to
standardize the way data is collected</li><br />
</ul>
<br>
<center><a href="#top">back to top</a> | <a href="#programs">back to programs</a></center><br>
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<p class=”margin-top-5”><small>Last Reviewed: June 17, 2024</small></p>
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