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Unified Medical Language System (UMLS)

UMLS Vocabularies

NCI_FDA (FDA Terminology) - Statistics


This source is no longer available in the current version of the UMLS Metathesaurus. To obtain content from this source, download the 2022AA UMLS release. The content is also available in the UMLS History Files.


Semantic Type Distribution

Semantic Type IDSemantic Type NameCount Percentage Distribution
T121Pharmacologic Substance1446134.1
T109Organic Chemical1288630.4
T083Geographic Area32397.6
T116Amino Acid, Peptide, or Protein20334.8
T129Immunologic Factor14133.3
T195Antibiotic8231.9
T033Finding7961.9
T130Indicator, Reagent, or Diagnostic Aid6101.4

Term Type Counts

Term TypeExpanded FormCount
PTDesignated preferred name26120
SYDesignated synonym390
ABAbbreviation in any source vocabulary293

Definition Count

Count
2418

Source Overlap

Source# Concepts Sharing Atom/# Total ConceptsPercentage Distribution
NCI24960/2509599.5
MSH11196/2509544.6
SNOMEDCT_US6944/2509527.7
SCTSPA6847/2509527.3
RXNORM6582/2509526.2
NDDF5797/2509523.1
DRUGBANK5746/2509522.9
MTHSPL4982/2509519.9
CHV4251/2509516.9
MSHFRE3768/2509515.0
GS3605/2509514.4
VANDF3615/2509514.4
SNMI3545/2509514.1
MSHGER3387/2509513.5
MMSL3395/2509513.5
MSHCZE3373/2509513.4
MSHPOR3333/2509513.3
MSHSPA3303/2509513.2
MEDCIN3280/2509513.1
MSHSWE3187/2509512.7
MSHITA3105/2509512.4
ATC3061/2509512.2
RCD2913/2509511.6
MSHPOL2830/2509511.3
MSHRUS2830/2509511.3
PDQ2503/2509510.0
MSHFIN2487/250959.9
MSHJPN2419/250959.6
NCI_CTRP2270/250959.0
USP2177/250958.7
LNC2092/250958.3
SNM2011/250958.0
CSP1427/250955.7
LCH_NW1225/250954.9
MSHNOR1239/250954.9
NCI_NCI-GLOSS1217/250954.8
USPMG1144/250954.6
AOD1033/250954.1
MSHSCR842/250953.4
LCH844/250953.4
NCI_DCP723/250952.9
NCI_CDISC698/250952.8
MSHDUT665/250952.6
MDR603/250952.4
MDRBPO603/250952.4
MDRCZE603/250952.4
MDRDUT603/250952.4
MDRFRE603/250952.4
MDRGER603/250952.4
MDRHUN603/250952.4
MDRITA603/250952.4
MDRJPN603/250952.4
MDRKOR603/250952.4
MDRPOR603/250952.4
MDRRUS603/250952.4
MDRSPA603/250952.4
NCI_DTP527/250952.1
PSY473/250951.9
CCPSS455/250951.8
NCBI421/250951.7
ICPC2ICD10ENG368/250951.5
NCI_caDSR380/250951.5
NCI_NICHD362/250951.4
OMIM318/250951.3
CST320/250951.3
WHOFRE322/250951.3
WHOPOR322/250951.3
WHO327/250951.3
WHOSPA291/250951.2
DXP296/250951.2
HPO296/250951.2
COSTAR302/250951.2
ICPC2P302/250951.2
WHOGER303/250951.2