NCI Thesaurus (NCIt) provides reference terminology covering vocabulary for clinical care, translational and basic research, and public information and administrative activities, providing a stable and unique identification code.

Prefix
ncit
Preferred Prefix
NCIT
Alternative Prefixes
NCIT NCIT_Thesaurus ncithesaurus NCIt NCI NCIThesaurus NCI2004_11_17 NCITm NCITt NCit NCI_Thesaurus
Keywords
biomedical science cancer disease obo ontology preclinical studies thesaurus translational medicine
Version
2024-05-07
License
CC-BY-4.0
Links
Homepage Repository OBO OWL
Contact
Melissa Haendel   0000-0001-9114-8737   mellybelly
Identifier Space Owner
National Cancer Institute
Pattern for Local Unique Identifiers

Local identifiers in NCI Thesaurus should match this regular expression:
^C\d+$

Example Local Unique Identifier
C138986   Resolve
Pattern for CURIES

Compact URIs (CURIEs) constructed from NCI Thesaurus should match this regular expression:
^NCIT:C\d+$

Example CURIE
NCIT:C138986
Publications
Ontology

A summary of the relations in the Bioregistry schema can be found here.

Appears In (4) (bioregistry.schema:0000018 )
ECTO MCO ONTOAVIDA SCDO
In Collection
FHIR External Terminologies
Metaregistry NCI Thesaurus

The metaregistry provides mappings between the Bioregistry and other registries. There are 14 mappings to external registries for this resource with 5 unique external prefixes.

Registry Name Registry Metaprefix External Prefix Curate
AberOWL AberOWL logo aberowl NCIT
BioContext biocontext NCIT
BioPortal BioPortal Prefixes logo bioportal NCIT
Cellosaurus Cellosaurus Registry logo cellosaurus NCIt
FAIRSharing FAIRSharing logo fairsharing FAIRsharing.4cvwxa
HL7 HL7 External Code Systems logo hl7 2.16.840.1.113883.6.206
Integbio Integbio logo integbio nbdc02651
Identifiers.org Identifiers.org logo miriam ncit
N2T Name-to-Thing logo n2t ncit
OBO Foundry OBO Foundry logo obofoundry ncit
OLS Ontology Lookup Service logo ols ncit
OntoBee OntoBee logo ontobee NCIT
Prefix Commons Prefix Commons logo prefixcommons ncit
Wikidata Wikidata Property logo wikidata P1748
RDF Information

When using this resource in RDF, the following URI format should be used:

http://purl.obolibrary.org/obo/NCIT_$1

Providers

A provider turns a local unique identifiers from a resource into a URI. Many providers are also resolvable as URLs (i.e., they can be used in a web browser).

The local unique identifier C138986 is used to demonstrate the providers available for NCI Thesaurus. A guide for curating additional providers can be found here.

Name Metaprefix URI
NCI Thesaurus ncit http://purl.obolibrary.org/obo/NCIT_C138986
NCI Thesaurus (RDF) rdf http://purl.obolibrary.org/obo/NCIT_C138986
Bioregistry bioregistry https://bioregistry.io/ncit:C138986
Identifiers.org miriam https://identifiers.org/ncit:C138986
OBO Foundry obofoundry http://purl.obolibrary.org/obo/NCIT_C138986
Ontology Lookup Service ols https://www.ebi.ac.uk/ols4/ontologies/ncit/terms?iri=http://purl.obolibrary.org/obo/NCIT_C138986
Name-to-Thing n2t https://n2t.net/ncit:C138986
BioPortal Prefixes bioportal https://bioportal.bioontology.org/ontologies/NCIT/?p=classes&conceptid=http://purl.obolibrary.org/obo/NCIT_C138986
Extra Providers

Additional providers curated in the Bioregistry are listed here. These are typically inherited from Identifiers.org or Prefix Commons, and need extra curation.

Code Name URL
bio2rdf Bio2RDF http://bio2rdf.org/ncit:C138986
evs Legacy NCBI OWL http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C138986