UMLS Site Map

About the UMLS

FAQ

Homepage

License

Support

Implementation Resources

• MetamorphoSys
  • MetamorphoSys Help
  • RRF Browser
  • MRCXT Builder
• MetaMap Transfer (MMTx)
• UMLS Applications
• UMLS Community
  • MS Access Database Load Scripts
  • MetamorphoSys Batch Run documentation
  • MetamorphoSys MRCXT Builder batch/shell scripts
• UMLS Database Query Diagrams
  • How to find all information associated with a particular UMLS concept (CUI value)
  • How to find all information associated with a particular atom (AUI value)
  • How to find all information associated with a particular source concept (SCUI value)
  • How to find all information associated with the metadata of a particular atom (AUI value)
  • How to find all information associated with the metadata of a particular relationship (RUI value) or attribute (ATUI value)
  • How to perform searches for normalized strings, normalized words, or regular words
  • How to perform searches in the UMLS history files (MRAUI.RRF and MRCUI.RRF)
  • How to perform searches in the source history file (MRHIST.RRF)
  • How to perform searches in the mapping files
  • How to perform searches for root and versioned source metadata concepts
  • How to perform searches for content view metadata concepts
  • How to perform searches for subset metadata concepts
• UMLS Load Scripts
  • Original Release Format MySQL Load
  • Rich Release Format MySQL Load Script
  • Original Release Format Oracle Load Script
  • Rich Release Format Oracle Load Script
  • Semantic Network Load Scripts

Knowledge Sources

• Semantic Network
• SPECIALIST Lexicon and Lexical Tools
• Metathesaurus
  • Forthcoming Releases
  • UMLS Metathesaurus Source Evaluation Questions
  • Vocabularies in the UML® Metathesaurus
  • Metathesaurus - Mapping Projects
    • Logical Observation Identifiers Names and Codes (LOINC®)
  • Metathesaurus - Release Information
    • Abbreviations Used in Data Elements
    • Attribute Names
    • Columns and Data Elements
    • License Agreement
      • Appendix
      • SNOMED CT Affiliate Licence Agreement
    • New and Updated Sources
    • New and Updated Sources - Expanded Representation Information
    • Notes and Bugs
      • Problems (Bugs) for Previous Versions
    • Source and Term Types: Default Order of Precedence and Suppressibility
    • Source Vocabularies
    • Statistics
  • UMLS Source Release Documentation
    • Index by RSAB
    • MRSAB.RRF Fields and Descriptions

Licensed Content Downloads

• Mappings
• RxNorm Files
  • RxNorm Release File Archive: 2005 - 2008
• CORE Problem List Subset of SNOMED CT
• SNOMED CT ® Release Files
  • SNOMED CT ® Archive Files
• UMLS Knowledge Sources: File Downloads
  • UMLS Release File Archives
  • UMLS Release File Archives: 2002-2003
• UMLS enhanced VA/KP Problem List Subset of SNOMED

New Users

• Glossary
• Basics Tutorial
• Licensing Information
• Listserv
• Step-by-Step Instructions: Validate the UMLS Release files
• Step-by-Step Instructions: Install the Semantic Network
• Step-by-Step Instructions: Install the SPECIALIST Lexicon and Lexical Tools
• Step-by-Step Instructions: Create an English only SNOMED CT Metathesaurus subset

News

• News from 2009
• News from 2008

RxNorm

• An Overview to RxNorm
• Technical Documentation
• History and Publications

SNOMED CT®

• The CORE Subset of SNOMED CT
• SNOMED CT Browsers
• FAQs: SNOMED CT in the UMLS
• SNOMED CT in the UMLS Metathesaurus: Release Source Transparency Achieved Jan. 2005 SNOMED CT in the 2005AB Release
• Insertion of SNOMED CT into the UMLS Metathesaurus: Explanatory Notes
• UMLS Enhanced VA/KP Problem List Subset of SNOMED CT
• Affiliate Report
  • FAQ
  • Instructions
  • Feed Bands

User Education

• Bibliography
• UMLS Webcasts
• Quick Tour - MetamorphoSys RRF Browser Restrict Searches and Views Option