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Terminology owner/maintenance organisation

Name, contact details, website

National Cancer Institute Enterprise Vocabulary Services

Telephone: 240-276-5541 or Toll-Free: 1-888-478-4423

Formal name of the code system

National Cancer Institute Thesaurus

Short name or abbreviation of the code system name

Technical identifier/s for the code system 

OID: 2.16.840.1.113883.
Canonical URL:

Scope/domain statement for the code system

(Official or from HTA)

NCI Thesaurus (NCIt) provides reference terminology for many NCI and other systems. It covers vocabulary for clinical care, translational and basic research, and public information and administrative activities.

NCIt is a widely recognized standard for biomedical coding and reference, used by a broad variety of public and private partners both nationally and internationally including the Clinical Data Interchange Standards Consortium Terminology (CDISC), the U.S. Food and Drug Administration (FDA), the Federal Medication Terminologies (FMT), and the National Council for Prescription Drug Programs (NCPDP).

Link to information about the code system - including how to obtain the content - the browser

To obtain content, use the canonical URL above

Arrangement or agreements with HL7 for use of content

US government funded - content free to use by all 
Version management - timing and identification of versionsVersions are dated (montly release)

IP Information and Licensing Information

US government funded - content free to use by all 

HL7 users of this information - which HL7 products use this link (if known)

Various, including SPL

Process to request content change

Use the Term Suggestion feature on the Quick Links pull down on the NCI Thesaurus browser.

Other useful Information

A Metathesaurus (NCIm) is also available - a broad, concept-based mapping of terms from over 70 biomedical terminologies, whose 4,000,000 terms are mapped to 2,000,000 concepts representing their shared meanings

Information current as at (date)

May 2020
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