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Unified Medical Language System® (UMLS®)

UMLS Source Release Documentation

Choose a source by browsing one of the presentation tabs below

Alphabetical List

Expand All  Collapse All
A  4 sources
B  1 source
Source Last Updated
BI (Beth Israel Problem List) 1999AA
C  10 sources
D  6 sources
F  1 source
Source Last Updated
FMA (Foundational Model of Anatomy) 2011AA
G  2 sources
Source Last Updated
GO (Gene Ontology) 2011AB
GS (Gold Standard Alchemy) 2012AA
H  7 sources
I  30 sources
J  1 source
K  1 source
Source Last Updated
KCD5 (KCD5) 2009AA
L  13 sources
M  47 sources
Source Last Updated
MBD (MEDLINE Backfile) 2012AA
MCM (Glossary of Clinical Epidemiologic Terms) 1992AA
MDDB (Master Drug Data Base) 2012AA
MDR (MedDRA) 2012AA
MDRCZE (MedDRA Czech) 2012AA
MDRDUT (MedDRA Dutch) 2012AA
MDRFRE (MedDRA French) 2012AA
MDRGER (MedDRA German) 2012AA
MDRHUN (MedDRA Hungarian) 2012AA
MDRITA (MedDRA Italian) 2012AA
MDRJPN (MedDRA Japanese) 2012AA
MDRPOR (MedDRA Portuguese) 2012AA
MDRSPA (MedDRA Spanish) 2012AA
MED (MEDLINE) 2012AA
MEDCIN (MEDCIN) 2012AA
MEDLINEPLUS (MedlinePlus) 2012AA
MMSL (Multum) 2012AA
MMX (Micromedex) 2012AA
MSH (Mesh) 2012AA
MSHCZE (MeSH Czech) 2012AA
MSHDUT (MeSH Dutch) 2005AB
MSHFIN (MeSH Finnish) 2008AA
MSHFRE (MeSH French) 2012AA
MSHGER (MeSH German) 2012AA
MSHITA (MeSH Italian) 2012AA
MSHJPN (MeSH Japanese) 2011AB
MSHLAV (MeSH Latvian) 2012AA
MSHNOR (MeSH Norwegian) 2012AA
MSHPOL (MeSH Polish) 2012AA
MSHPOR (MeSH Portuguese) 2012AA
MSHRUS (MeSH Russian) 2012AA
MSHSCR (MeSH Croatian) 2012AA
MSHSPA (MeSH Spanish) 2012AA
MSHSWE (MeSH Swedish) 2010AA
MTH (Metathesaurus Names) 1990AA
MTHCH (CPT Hierarchical Terms (UMLS)) 2012AA
MTHFDA (FDA National Drug Code Directory) 2011AB
MTHHH (HCPCS Hierarchical Terms (UMLS)) 2012AA
MTHHL7V2.5 (HL7 Version 2.5, 7-bit equivalents) 2005AC
MTHICD9 (ICD-9-CM Entry Terms) 2011AB
MTHICPC2EAE (ICPC2E Am Engl) 2004AB
MTHICPC2ICD107B (ICPC2-ICD10 Thesaurus, 7-bit) 2005AB
MTHICPC2ICD10AE (ICPC2-ICD10 Thesaurus, Am Engl) 2005AB
MTHMST (Minimal Standard Terminology (UMLS)) 2002AA
MTHMSTFRE (Minimal Standard Terminology French (UMLS)) 2002AA
MTHMSTITA (Minimal Standard Terminology Italian (UMLS)) 2002AA
MTHSPL (FDA Structured Product Labels) 2012AA
N  10 sources
O  2 sources
Source Last Updated
OMIM (OMIM) 2011AB
OMS (Omaha System) 2007AC
P  5 sources
Q  1 source
Source Last Updated
QMR (Quick Medical Reference) 1998AA
R  6 sources
S  7 sources
T  1 source
Source Last Updated
TKMT (TKMT) 2011AB
U  4 sources
Source Last Updated
ULT (UltraSTAR) 1995AA
UMD (UMDNS) 2012AA
USPMG (USP Model Guidelines) 2005AC
UWDA (Digital Anatomist) 2003AC
V  1 source
Source Last Updated
VANDF (National Drug File) 2012AA
W  5 sources

Restriction Categories

Expand All  Collapse All
Category 0  66 sources
A  3 sources
C  5 sources
D  1 source
Source Last Updated
DXP (DXplain) 1995AA
F  1 source
Source Last Updated
FMA (Foundational Model of Anatomy) 2011AA
G  1 source
Source Last Updated
GO (Gene Ontology) 2011AB
H  4 sources
Source Last Updated
HCPCS (HCPCS) 2012AA
HL7V2.5 (HL7 Version 2.5) 2005AC
HL7V3.0 (HL7 Version 3.0) 2012AA
HUGO (HUGO) 2011AB
I  16 sources
L  3 sources
M  15 sources
N  5 sources
O  1 source
Source Last Updated
OMIM (OMIM) 2011AB
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) 2012AA
S  3 sources
T  1 source
Source Last Updated
TKMT (TKMT) 2011AB
U  2 sources
Source Last Updated
USPMG (USP Model Guidelines) 2005AC
UWDA (Digital Anatomist) 2003AC
V  1 source
Source Last Updated
VANDF (National Drug File) 2012AA
Category 1  8 sources
Category 2  7 sources
Category 3  75 sources
A  1 source
Source Last Updated
ALT (Alternative Billing Concepts) 2009AA
C  3 sources
Source Last Updated
CCPSS (Clinical Problem Statements) 2000AA
CPT (CPT) 2012AA
CPTSP (CPT Spanish) 2001AC
D  3 sources
Source Last Updated
DDB (Diseases Database) 2001AA
DSM3R (DSM-III-R) 1990AA
DSM4 (DSM-IV) 1995AA
G  1 source
Source Last Updated
GS (Gold Standard Alchemy) 2012AA
H  3 sources
I  11 sources
K  1 source
Source Last Updated
KCD5 (KCD5) 2009AA
L  7 sources
M  31 sources
N  5 sources
P  4 sources
R  4 sources
U  1 source
Source Last Updated
ULT (UltraSTAR) 1995AA
Category 4  5 sources
Category 9  4 sources

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

Content Categories

Expand All  Collapse All
Drugs [Pharmaceutical Preparations]  12 sources
Disease  8 sources
Procedures  8 sources
Insurance Claim Reporting  6 sources
Diagnosis  5 sources
Genetics  4 sources
Source Last Updated
GO (Gene Ontology) 2011AB
HUGO (HUGO) 2011AB
NCI (NCI Thesaurus) 2011AB
OMIM (OMIM) 2011AB
Laboratory Techniques and Procedures  3 sources
Source Last Updated
CPT (CPT) 2012AA
LNC (LOINC) 2012AA
SNOMEDCT (SNOMED Clinical Terms) 2012AA
Anatomy  2 sources
Source Last Updated
FMA (Foundational Model of Anatomy) 2011AA
MSH (Mesh) 2012AA
Consumer Health Information  2 sources
Source Last Updated
CHV (CHV) 2012AA
MEDLINEPLUS (MedlinePlus) 2012AA
Disabled Persons  2 sources
Medical Devices  2 sources
Source Last Updated
HCPCS (HCPCS) 2012AA
UMD (UMDNS) 2012AA
Nursing  2 sources
Source Last Updated
ICNP (ICNP) 2011AB
PNDS (PNDS) 2011AA
Phylogeny  2 sources
Source Last Updated
MSH (Mesh) 2012AA
NCBI (NCBI Taxonomy) 2011AB
Adverse Drug Reaction Reporting Systems  1 source
Source Last Updated
MDR (MedDRA) 2012AA
Complementary Therapies  1 source
Source Last Updated
TKMT (TKMT) 2011AB
Dentistry  1 source
Source Last Updated
HCDT (Current Dental Terminology in HCPCS) 2012AA

*Content Categories come from either MeSH Headings or MeSH Entry Terms. Only the most frequently updated sources in the Metathesaurus are categorized,
and some sources may belong to more than one category. Foreign translations have not been categorized.

Languages

Expand All  Collapse All
English  108 sources
A  4 sources
B  1 source
Source Last Updated
BI (Beth Israel Problem List) 1999AA
C  9 sources
D  4 sources
Source Last Updated
DDB (Diseases Database) 2001AA
DSM3R (DSM-III-R) 1990AA
DSM4 (DSM-IV) 1995AA
DXP (DXplain) 1995AA
F  1 source
Source Last Updated
FMA (Foundational Model of Anatomy) 2011AA
G  2 sources
Source Last Updated
GO (Gene Ontology) 2011AB
GS (Gold Standard Alchemy) 2012AA
H  6 sources
I  14 sources
J  1 source
L  13 sources
M  19 sources
N  8 sources
O  2 sources
Source Last Updated
OMIM (OMIM) 2011AB
OMS (Omaha System) 2007AC
P  5 sources
Q  1 source
Source Last Updated
QMR (Quick Medical Reference) 1998AA
R  6 sources
S  6 sources
U  4 sources
Source Last Updated
ULT (UltraSTAR) 1995AA
UMD (UMDNS) 2012AA
USPMG (USP Model Guidelines) 2005AC
UWDA (Digital Anatomist) 2003AC
V  1 source
Source Last Updated
VANDF (National Drug File) 2012AA
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) 2012AA
MSHCZE (MeSH Czech) 2012AA
Danish  1 source
Source Last Updated
ICPCDAN (ICPC Danish) 1999AA
Dutch  6 sources
French  5 sources
German  6 sources
Hebrew  1 source
Source Last Updated
ICPCHEB (ICPC Hebrew) 2000AA
Hungarian  2 sources
Source Last Updated
ICPCHUN (ICPC Hungarian) 1999AA
MDRHUN (MedDRA Hungarian) 2012AA
Italian  4 sources
Japanese  2 sources
Source Last Updated
MDRJPN (MedDRA Japanese) 2012AA
MSHJPN (MeSH Japanese) 2011AB
Korean  2 sources
Source Last Updated
KCD5 (KCD5) 2009AA
TKMT (TKMT) 2011AB
Latvian  1 source
Source Last Updated
MSHLAV (MeSH Latvian) 2012AA
Norwegian  2 sources
Source Last Updated
ICPCNOR (ICPC Norwegian) 1999AA
MSHNOR (MeSH Norwegian) 2012AA
Polish  1 source
Source Last Updated
MSHPOL (MeSH Polish) 2012AA
Portuguese  4 sources
Russian  1 source
Source Last Updated
MSHRUS (MeSH Russian) 2012AA
Serbo-Croatian  1 source
Source Last Updated
MSHSCR (MeSH Croatian) 2012AA
Spanish  6 sources
Swedish  2 sources
Source Last Updated
ICPCSWE (ICPC Swedish) 2000AA
MSHSWE (MeSH Swedish) 2010AA