Skip Navigation
NCI Metathesaurus Browser —
National Cancer Institute   U.S. National Institutes of Health

The caBIG program has been retired, and while this website is being maintained temporarily to prevent broken links and provide access to information on the subset of caBIG projects that were transitioned into the new NCIP program, it will be archived in the near future. For information on the NCI's biomedical informatics program, please visit

The information and links on this website are no longer being updated and are provided for reference purposes only.

Home » Tools » NCI Metathesaurus Browser

NCI Metathesaurus Browser

Product Description

The NCI Metathesaurus (NCIm) Browser is a web-based terminology browser that allows users to browse and search the NCI Metathesaurus. It provides user-friendly access to 76 biomedical terminologies, cross-mapped using NCIm concepts to describe shared meanings. It is a rich resource for reference, coding and translation, encompassing 1,400,000 concepts and 20,000,000 relationships.

Current Version

  • Current Version Number: 2.1
  • Release Date of Current Version: June 2012

Intended Audiences

Analysts, Developers, Biomedical researchers, Clinicians, Public

More Information

Refer to the NCI Metathesaurus Browser wiki pages.

Tool Download Files

Domain and Technical Information

  • Area of Focus: Vocabularies
  • Primary Workspace: caCORE
  • Currently caGrid Enabled?Supporting Tool
  • Compatibility Level: Supporting Tool (Learn more about compatibility levels)
  • Tool Maturity Assessment Mature Product (Successfully Adopted)
  • Architecture Level:  Web Application,
  • Installation Level: Basic - Wizard or web browser application; minimal technical assistance required