Cancer.gov

NCI EVS Terminology API

Enterprise Vocabulary Services (EVS) exposes NCI Thesaurus and NCI Metathesaurus content — over 192,000 concepts, 154,000 textual definitions, 623,000 synonyms and 630,000 inter-concept relationships — through a search and browse API used to code, analyze, and share cancer and biomedical research information.

GitHub

Documentation

📖
Documentation
https://evs.nci.nih.gov/

Other Resources

🔗
Explorer
https://evsexplore.semantics.cancer.gov/
🔗
WhitePaper
https://evs.nci.nih.gov/ftp1/NCI_Metathesaurus/EVS%20Metathesaurus%20White%20Paper.pdf

API entry from apis.yml

apis.yml Raw ↑ 
aid: cancer-gov:evs-api
name: NCI EVS Terminology API
description: Enterprise Vocabulary Services (EVS) exposes NCI Thesaurus and NCI Metathesaurus content
  — over 192,000 concepts, 154,000 textual definitions, 623,000 synonyms and 630,000 inter-concept relationships
  — through a search and browse API used to code, analyze, and share cancer and biomedical research information.
humanURL: https://evs.nci.nih.gov/
tags:
- Terminology
- Vocabulary
- NCI Thesaurus
properties:
- type: Documentation
  url: https://evs.nci.nih.gov/
- type: Explorer
  url: https://evsexplore.semantics.cancer.gov/
- type: WhitePaper
  url: https://evs.nci.nih.gov/ftp1/NCI_Metathesaurus/EVS%20Metathesaurus%20White%20Paper.pdf