UMLS Site Map

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UMLS Quick Start Guide

UMLS Reference Manual

UMLS Terminology Services

Implementation Resources

• MetamorphoSys
  • MetamorphoSys Help
  • RRF Browser
  • MRCXT Builder
• MetaMap and MetaMap Transfer (MMTx)
• UMLS Applications
• UMLS Community
  • MetamorphoSys Batch Run Documentation
  • MetamorphoSys MRCXT Builder Batch/Shell Scripts
  • Pipe (|) to Tab Substitution for RRF Files
  • SQL Load Script for Metathesaurus Subset
  • SQL Load Script for Semantic Network
  • Sample UMLS Metathesaurus in Microsoft Access
• 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 Script
  • Original Release Format Oracle Load Script
  • Rich Release Format Microsoft Access Load Script
  • Rich Release Format MySQL Load Script
  • Rich Release Format Oracle Load Script
  • Semantic Network MySQL Load Script
  • Semantic Network Oracle Load Script

Knowledge Sources

• Semantic Network
• SPECIALIST Lexicon and Lexical Tools
• Metathesaurus
  • Forthcoming Releases
  • UMLS Metathesaurus Source Evaluation Questions
  • Release Documentation Archive
  • Release Information
    • Abbreviations Used in Data Elements
    • Attribute Names
    • Columns and Data Elements
    • Content Views
    • License Agreement
      • Appendix to the License Agreement
      • 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
    • MRSAB.RRF Fields and Descriptions
  • Vocabularies in the UMLS Metathesaurus

Licensed Content Downloads

• RxNorm Files (including Current Prescribable Content)
  • RxNorm Release File Archive
• SNOMED CT Files
  • SNOMED CT Release Files (International Release, Spanish Edition)
  • SNOMED CT Archive Files
  • CORE Problem List Subset of SNOMED CT
  • Convergent Medical Terminology
  • ICD-9-CM to SNOMED CT Map
  • Nursing Problem List Subset of SNOMED CT
  • ROA Subset of SNOMED CT
  • SNOMED CT to ICD-10-CM Map
  • UMLS enhanced VA/KP Problem List Subset of SNOMED
  • US Extension to SNOMED CT
• UMLS Knowledge Sources: File Downloads
  • UMLS Release File Archives
  • UMLS Release File Archives: 2002-2003

Mapping Projects

• Basic Mapping Project Assumptions
• LOINC to CPT Mapping
• SNOMED CT to ICD-9-CM Rule Based Mapping to Support Reimbursement

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
• UMLS Fact Sheets
  • Unified Medical Language System® (UMLS®)
  • UMLS® MetamorphoSys
  • UMLS® Metathesaurus®
  • UMLS® Semantic Network
  • UMLS® SPECIALIST Lexicon
  • UMLS® Terminology Services

News

• News from 2012
• News from 2011
• News from 2010
• News from 2009
• News from 2008

RxNorm

• An Overview to RxNorm
• History and Publications
• NLM Research and Development using RxNorm
  • MyMedicationList
  • RxNav
  • RxTerms
• RxNorm Current Prescribable Content
• Technical Documentation

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

User Education

• Bibliography
  • UMLS Articles in PubMed® 1986 to Present
  • Comprehensive Bibliography 1986-1996
• Presentations and Publications
• UMLS Video Learning Resources