Unified Medical Language System® (UMLS®)
UMLS Knowledge Sources: File Downloads
2017AA UMLS Release Files
|Full Release (umls-2017AA-full.zip)||The full release includes every vocabulary in the Metathesaurus, including those that are not actively updated.||May 8, 2017|
|Active Release (umls-2017AA-active.zip)||The active release only includes vocabularies that are actively updated in the Metathesaurus.||May 8, 2017|
For users who wish to automate the download of the UMLS releases, we created scripts for Windows and Mac/Linux/Solaris computers. Combine the scripts with a scheduling tool to automate your downloads. You can download the scripts, along with a README file with instructions.