- Navigate to the Sign Up page of the Unified Medical Language System (UMLS) site by clicking here.
- Read and follow the instructions to Request a UMLS License.
- Complete the UMLS License Request Form. Once UMLS has approved the license, you will receive an email notification.
- Navigate back to the Unified Medical Language System site by clicking here; click the Sign In button at the top of the window.
- Select the method to authenticate your login and click the My Profile button.
- Copy your API Key information as it must be entered into the Merchant ID Field in the Correspondent Table, following the steps listed here.