NLM (National Library of Medicine) provides clinical vocabulary standards and tools that support implementation of Meaningful Use, C-CDA, and other programs. These standards and tools are provided via a set of files and software called the UMLS (Unified Medical Language System).
A license is required to browse and download files. UMLS licenses are
- issued only to individuals and not to groups or organizations
- each person in your organization should request their own license here.
Requesting a UMLS License and creating a UTS account is a two-step process
- Submit your license request.
- Authenticate the request after receipt of e-mail from NLM.
License Requests are processed on weekdays between 9am – 5pm US Eastern Time. It may take up to 3 business days from the time you authenticate your request to approve your request depending on the volume of requests in the system.
Read more about Requesting a UMLS License here.
- Using Your UMLS License
- Terminology Mapping
- SNOMED CT®
- Value Set Authority Center (VSAC) – Value set are lists of codes and corresponding terms from standard clinical vocabularies such as SNOMED®, RxNORM, LOINC®, and others. Use this site to look up SNOMED, RxNORM, codes for reporting on CMS Quality Measures.
- USHIK The United States Health Information Knowledgebase is an on-line, publicly accessible registry and repository of healthcare-related metadata, specifications, and standards. Use this site to research CMS Quality Measures.
Please contact email@example.com for questions.