UTS Logo

Unified Medical Language System (UMLS)

NDDF (FDB MedKnowledge) - Statistics


Semantic Type Distribution

Semantic Type IDSemantic Type NameCount Percentage Distribution
T200Clinical Drug2121539.3
T121Pharmacologic Substance1226222.7
T109Organic Chemical839415.5
T074Medical Device35526.6
T122Biomedical or Dental Material16603.1
T168Food11302.1
T116Amino Acid, Peptide, or Protein10722.0
T129Immunologic Factor7311.4
T203Drug Delivery Device6641.2
T127Vitamin5961.1

Term Type Counts

Term TypeExpanded FormCount
CDAClinical drug name in abbreviated format31612
CDCClinical drug name in concatenated format (NDDF), Clinical drug name (NDFRT)31612
CDDClinical drug name in delimited format31612
INName for an ingredient14135
DFDose Form814
MTH_RXN_CDCRxNorm Created CDC360

Attribute Counts

Attribute TypeExpanded FormCount
NDCNational Drug Code corresponding to a clinical drug (e.g. 000023082503)217631

Relationship Counts

Relation Name/Additional LabelExpanded FormCount
RO/has_dose_formhas relationship other than synonymous, narrower, or broader/Has dose form33090
RO/dose_form_ofhas relationship other than synonymous, narrower, or broader/Dose form of33090
RO/ingredient_ofhas relationship other than synonymous, narrower, or broader/Ingredient of251
RO/has_ingredienthas relationship other than synonymous, narrower, or broader/Has ingredient251

Definition Count

Count
0

Source Overlap

Source# Concepts Sharing Atom/# Total ConceptsPercentage Distribution
RXNORM20377/4244248.0
NDFRT13749/4244232.4
MMSL13682/4244232.2
VANDF13460/4244231.7
MMX12119/4244228.6
SNOMEDCT_US11026/4244226.0
SCTSPA10843/4244225.5
GS9537/4244222.5
MTHSPL9180/4244221.6
MSH5939/4244214.0
NCI5449/4244212.8
NCI_FDA5031/4244211.9
RCD4436/4244210.5
CHV3665/424428.6
DRUGBANK3047/424427.2
MEDCIN2853/424426.7
SNMI2717/424426.4
ATC2675/424426.3
MSHFRE2645/424426.2
MSHGER2321/424425.5
MSHPOR2162/424425.1
MSHCZE2166/424425.1
MSHITA2134/424425.0
MSHSPA2137/424425.0
MSHSWE1989/424424.7
MSHPOL1999/424424.7
MSHRUS1999/424424.7
MSHFIN1853/424424.4
MSHJPN1798/424424.2
SNM1650/424423.9
LNC1432/424423.4
USPMG1375/424423.2
CSP1011/424422.4
LCH_NW892/424422.1
PDQ838/424422.0
AOD706/424421.7
NCI_NCI-GLOSS708/424421.7
MSHNOR649/424421.5
LCH606/424421.4
NCI_DCP554/424421.3
MSHSCR565/424421.3