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Unified Medical Language System® (UMLS®)

UMLS Metathesaurus Vocabulary Documentation

Choose a source by browsing one of the presentation tabs below

Alphabetical List

Expand All  Collapse All
A  5 sources
B  1 source
Source Last Updated
BI (Beth Israel Problem List) 1999AA
C  13 sources
D  6 sources
F  1 source
Source Last Updated
FMA (Foundational Model of Anatomy) 2016AB
G  2 sources
Source Last Updated
GO (Gene Ontology) 2016AB
GS (Gold Standard Drug Database) 2017AA
H  8 sources
I  30 sources
J  1 source
K  1 source
Source Last Updated
KCD5 (KCD5) 2009AA
L  23 sources
M  43 sources
N  38 sources
Source Last Updated
NANDA-I (NANDA-I) 2016AA
NCBI (NCBI Taxonomy) 2016AB
NCI (NCI Thesaurus) 2017AA
NCISEER (NCI SEER ICD Mappings) 2002AD
NCI_BRIDG (Biomedical Research Integrated Domain Group Model) 2017AA
NCI_BioC (BioCarta online maps of molecular pathways, adapted for NCI use) 2017AA
NCI_CDC (U.S. Centers for Disease Control and Prevention) 2017AA
NCI_CDISC (Clinical Data Interchange Standards Consortium) 2017AA
NCI_CRCH (Cancer Research Center of Hawaii Nutrition Terminology) 2017AA
NCI_CTCAE (Common Terminology Criteria for Adverse Events) 2017AA
NCI_CTEP-SDC (Cancer Therapy Evaluation Program - Simple Disease Classification) 2017AA
NCI_CareLex (Content Archive Resource Exchange Lexicon) 2017AA
NCI_DCP (NCI Division of Cancer Prevention Program) 2017AA
NCI_DICOM (Digital Imaging Communications in Medicine) 2017AA
NCI_DTP (NCI Developmental Therapeutics Program) 2017AA
NCI_FDA (U.S. Food and Drug Administration) 2017AA
NCI_GAIA (Global Alignment of Immunization Safety Assessment in pregnancy) 2017AA
NCI_GENC (Geopolitical Entities, Names, and Codes (GENC) Standard Edition 1) 2017AA
NCI_ICH (International Conference on Harmonization) 2017AA
NCI_JAX (Jackson Laboratories Mouse Terminology, adapted for NCI use) 2017AA
NCI_KEGG (KEGG Pathway Database) 2017AA
NCI_NCI-GLOSS (NCI Dictionary of Cancer Terms) 2017AA
NCI_NCI-HL7 (NCI Health Level 7) 2017AA
NCI_NCPDP (National Council for Prescription Drug Programs) 2017AA
NCI_NICHD (National Institute of Child Health and Human Development) 2017AA
NCI_PI-RADS (Prostate Imaging Reporting and Data System) 2017AA
NCI_PID (National Cancer Institute Nature Pathway Interaction Database) 2017AA
NCI_RENI (Registry Nomenclature Information System) 2017AA
NCI_UCUM (Unified Code for Units of Measure) 2017AA
NCI_ZFin (Zebrafish Model Organism Database) 2017AA
NDDF (FDB MedKnowledge) 2017AA
NDFRT (National Drug File - Reference Terminology) 2017AA
NDFRT_FDASPL (National Drug File - FDASPL) 2017AA
NDFRT_FMTSME (National Drug File - FMTSME) 2017AA
NEU (Neuronames Brain Hierarchy) 2016AB
NIC (Nursing Interventions Classification) 2007AA
NOC (Nursing Outcomes Classification) 2007AB
NUCCPT (National Uniform Claim Committee - Health Care Provider Taxonomy) 2016AB
O  2 sources
Source Last Updated
OMIM (OMIM) 2017AA
OMS (Omaha System) 2007AC
P  5 sources
Q  1 source
Source Last Updated
QMR (Quick Medical Reference) 1998AA
R  6 sources
S  8 sources
T  1 source
Source Last Updated
TKMT (TKMT) 2011AB
U  4 sources
Source Last Updated
ULT (UltraSTAR) 1995AA
UMD (UMDNS) 2017AA
USPMG (USP Model Guidelines) 2015AB
UWDA (Digital Anatomist) 2003AC
V  1 source
Source Last Updated
VANDF (National Drug File) 2017AA
W  5 sources

Restriction Categories

Expand All  Collapse All
Category 0  115 sources
A  4 sources
C  7 sources
D  2 sources
Source Last Updated
DRUGBANK (DrugBank) 2017AA
DXP (DXplain) 1995AA
F  1 source
Source Last Updated
FMA (Foundational Model of Anatomy) 2016AB
G  1 source
Source Last Updated
GO (Gene Ontology) 2016AB
H  5 sources
I  16 sources
L  23 sources
M  12 sources
N  32 sources
Source Last Updated
NCBI (NCBI Taxonomy) 2016AB
NCI (NCI Thesaurus) 2017AA
NCISEER (NCI SEER ICD Mappings) 2002AD
NCI_BRIDG (Biomedical Research Integrated Domain Group Model) 2017AA
NCI_BioC (BioCarta online maps of molecular pathways, adapted for NCI use) 2017AA
NCI_CDC (U.S. Centers for Disease Control and Prevention) 2017AA
NCI_CDISC (Clinical Data Interchange Standards Consortium) 2017AA
NCI_CRCH (Cancer Research Center of Hawaii Nutrition Terminology) 2017AA
NCI_CTCAE (Common Terminology Criteria for Adverse Events) 2017AA
NCI_CTEP-SDC (Cancer Therapy Evaluation Program - Simple Disease Classification) 2017AA
NCI_CareLex (Content Archive Resource Exchange Lexicon) 2017AA
NCI_DCP (NCI Division of Cancer Prevention Program) 2017AA
NCI_DICOM (Digital Imaging Communications in Medicine) 2017AA
NCI_DTP (NCI Developmental Therapeutics Program) 2017AA
NCI_FDA (U.S. Food and Drug Administration) 2017AA
NCI_GAIA (Global Alignment of Immunization Safety Assessment in pregnancy) 2017AA
NCI_GENC (Geopolitical Entities, Names, and Codes (GENC) Standard Edition 1) 2017AA
NCI_ICH (International Conference on Harmonization) 2017AA
NCI_JAX (Jackson Laboratories Mouse Terminology, adapted for NCI use) 2017AA
NCI_KEGG (KEGG Pathway Database) 2017AA
NCI_NCI-GLOSS (NCI Dictionary of Cancer Terms) 2017AA
NCI_NCI-HL7 (NCI Health Level 7) 2017AA
NCI_NCPDP (National Council for Prescription Drug Programs) 2017AA
NCI_NICHD (National Institute of Child Health and Human Development) 2017AA
NCI_PI-RADS (Prostate Imaging Reporting and Data System) 2017AA
NCI_PID (National Cancer Institute Nature Pathway Interaction Database) 2017AA
NCI_RENI (Registry Nomenclature Information System) 2017AA
NCI_UCUM (Unified Code for Units of Measure) 2017AA
NCI_ZFin (Zebrafish Model Organism Database) 2017AA
NDFRT (National Drug File - Reference Terminology) 2017AA
NDFRT_FDASPL (National Drug File - FDASPL) 2017AA
NDFRT_FMTSME (National Drug File - FMTSME) 2017AA
O  1 source
Source Last Updated
OMIM (OMIM) 2017AA
P  1 source
Source Last Updated
PDQ (PDQ) 2007AB
Q  1 source
Source Last Updated
QMR (Quick Medical Reference) 1998AA
R  2 sources
Source Last Updated
RAM (Clinical Concepts by R A Miller) 2000AA
RXNORM (RXNORM) 2017AA
S  3 sources
T  1 source
Source Last Updated
TKMT (TKMT) 2011AB
U  2 sources
Source Last Updated
USPMG (USP Model Guidelines) 2015AB
UWDA (Digital Anatomist) 2003AC
V  1 source
Source Last Updated
VANDF (National Drug File) 2017AA
Category 1  7 sources
Category 2  7 sources
Category 3  68 sources
A  1 source
Source Last Updated
ALT (Alternative Billing Concepts) 2009AA
C  4 sources
D  2 sources
Source Last Updated
DDB (Diseases Database) 2001AA
DSM-5 (DSM-5) 2016AB
G  1 source
Source Last Updated
GS (Gold Standard Drug Database) 2017AA
H  3 sources
I  11 sources
K  1 source
Source Last Updated
KCD5 (KCD5) 2009AA
M  30 sources
N  6 sources
P  4 sources
R  4 sources
U  1 source
Source Last Updated
ULT (UltraSTAR) 1995AA
Category 4  3 sources
Category 9  5 sources

*as of 2011AA UMLS.
Source vocabularies in Category 4 are free for use in the United States. Category 3 rules apply for all other uses

Languages

Expand All  Collapse All
English  131 sources
A  5 sources
B  1 source
Source Last Updated
BI (Beth Israel Problem List) 1999AA
C  12 sources
D  4 sources
Source Last Updated
DDB (Diseases Database) 2001AA
DRUGBANK (DrugBank) 2017AA
DSM-5 (DSM-5) 2016AB
DXP (DXplain) 1995AA
F  1 source
Source Last Updated
FMA (Foundational Model of Anatomy) 2016AB
G  2 sources
Source Last Updated
GO (Gene Ontology) 2016AB
GS (Gold Standard Drug Database) 2017AA
H  7 sources
I  14 sources
J  1 source
L  3 sources
M  17 sources
N  37 sources
Source Last Updated
NANDA-I (NANDA-I) 2016AA
NCBI (NCBI Taxonomy) 2016AB
NCI (NCI Thesaurus) 2017AA
NCI_BRIDG (Biomedical Research Integrated Domain Group Model) 2017AA
NCI_BioC (BioCarta online maps of molecular pathways, adapted for NCI use) 2017AA
NCI_CDC (U.S. Centers for Disease Control and Prevention) 2017AA
NCI_CDISC (Clinical Data Interchange Standards Consortium) 2017AA
NCI_CRCH (Cancer Research Center of Hawaii Nutrition Terminology) 2017AA
NCI_CTCAE (Common Terminology Criteria for Adverse Events) 2017AA
NCI_CTEP-SDC (Cancer Therapy Evaluation Program - Simple Disease Classification) 2017AA
NCI_CareLex (Content Archive Resource Exchange Lexicon) 2017AA
NCI_DCP (NCI Division of Cancer Prevention Program) 2017AA
NCI_DICOM (Digital Imaging Communications in Medicine) 2017AA
NCI_DTP (NCI Developmental Therapeutics Program) 2017AA
NCI_FDA (U.S. Food and Drug Administration) 2017AA
NCI_GAIA (Global Alignment of Immunization Safety Assessment in pregnancy) 2017AA
NCI_GENC (Geopolitical Entities, Names, and Codes (GENC) Standard Edition 1) 2017AA
NCI_ICH (International Conference on Harmonization) 2017AA
NCI_JAX (Jackson Laboratories Mouse Terminology, adapted for NCI use) 2017AA
NCI_KEGG (KEGG Pathway Database) 2017AA
NCI_NCI-GLOSS (NCI Dictionary of Cancer Terms) 2017AA
NCI_NCI-HL7 (NCI Health Level 7) 2017AA
NCI_NCPDP (National Council for Prescription Drug Programs) 2017AA
NCI_NICHD (National Institute of Child Health and Human Development) 2017AA
NCI_PI-RADS (Prostate Imaging Reporting and Data System) 2017AA
NCI_PID (National Cancer Institute Nature Pathway Interaction Database) 2017AA
NCI_RENI (Registry Nomenclature Information System) 2017AA
NCI_UCUM (Unified Code for Units of Measure) 2017AA
NCI_ZFin (Zebrafish Model Organism Database) 2017AA
NDDF (FDB MedKnowledge) 2017AA
NDFRT (National Drug File - Reference Terminology) 2017AA
NDFRT_FDASPL (National Drug File - FDASPL) 2017AA
NDFRT_FMTSME (National Drug File - FMTSME) 2017AA
NEU (Neuronames Brain Hierarchy) 2016AB
NIC (Nursing Interventions Classification) 2007AA
NOC (Nursing Outcomes Classification) 2007AB
NUCCPT (National Uniform Claim Committee - Health Care Provider Taxonomy) 2016AB
O  2 sources
Source Last Updated
OMIM (OMIM) 2017AA
OMS (Omaha System) 2007AC
P  5 sources
Q  1 source
Source Last Updated
QMR (Quick Medical Reference) 1998AA
R  6 sources
S  7 sources
U  4 sources
Source Last Updated
ULT (UltraSTAR) 1995AA
UMD (UMDNS) 2017AA
USPMG (USP Model Guidelines) 2015AB
UWDA (Digital Anatomist) 2003AC
V  1 source
Source Last Updated
VANDF (National Drug File) 2017AA
W  1 source
Source Last Updated
WHO (WHOART) 1999AA
Basque  1 source
Source Last Updated
ICPCBAQ (ICPC Basque) 2000AA
Czech  2 sources
Source Last Updated
MDRCZE (MedDRA Czech) 2017AA
MSHCZE (MeSH Czech) 2017AA
Danish  1 source
Source Last Updated
ICPCDAN (ICPC Danish) 1999AA
Dutch  7 sources
French  9 sources
German  9 sources
Hebrew  1 source
Source Last Updated
ICPCHEB (ICPC Hebrew) 2000AA
Hungarian  2 sources
Source Last Updated
ICPCHUN (ICPC Hungarian) 1999AA
MDRHUN (MedDRA Hungarian) 2017AA
Italian  6 sources
Japanese  2 sources
Source Last Updated
MDRJPN (MedDRA Japanese) 2017AA
MSHJPN (MeSH Japanese) 2015AB
Korean  3 sources
Latvian  1 source
Source Last Updated
MSHLAV (MeSH Latvian) 2012AA
Norwegian  2 sources
Source Last Updated
ICPCNOR (ICPC Norwegian) 1999AA
MSHNOR (MeSH Norwegian) 2017AA
Polish  1 source
Source Last Updated
MSHPOL (MeSH Polish) 2017AA
Portuguese  5 sources
Russian  2 sources
Serbo-Croatian  1 source
Source Last Updated
MSHSCR (MeSH Croatian) 2017AA
Spanish  9 sources
Swedish  2 sources
Source Last Updated
ICPCSWE (ICPC Swedish) 2000AA
MSHSWE (MeSH Swedish) 2017AA