NCI Enterprise Vocabulary Services

**Semantic type:** Intellectual Product

**Definition:** The NCI EVS is set of services and resources that address NCI's needs for controlled vocabulary. The EVS Project is a collaborative effort of the Center for Bioinformatics and the NCI Office of Communications. The NCI Thesaurus, which is a biomedical thesaurus created specifically to meet the needs of the NCI, is produced by the NCI EVS project. The NCI Thesaurus is provided under an open content license. The EVS Project also produces the NCI Metathesaurus, which is based on NLM's Unified Medical Language System Metathesaurus supplemented with additional cancer-centric vocabulary. In addition the EVS Project provides NCI with licenses for MedDRA, SNOMED, ICD-O-3, and other proprietary vocabularies.

**Synonyms:** - EVS - Enterprise Vocabulary Services - Enterprise Vocabulary System - NCI EVS - NCI Enterprise Vocabulary Services (EVS)