Get a UMLS API Key
Some of the terminologies used by OMOP require a UMLS account and API key. To get a UMLS API key follow the steps below.
Get A UMLS API Key
Log into UMLS at
https://uts.nlm.nih.gov/uts/
Clicking on the link circled above should lead you to the page below. Your API key should be in the circled box.