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Unified Medical Language System (UMLS)

NDDF (FDB MedKnowledge) - Statistics


Semantic Type Distribution

Semantic Type IDSemantic Type NameCount Percentage Distribution
T200Clinical Drug2093939.1
T121Pharmacologic Substance1220422.8
T109Organic Chemical838215.7
T074Medical Device35026.5
T122Biomedical or Dental Material16383.1
T168Food11172.1
T116Amino Acid, Peptide, or Protein10542.0
T129Immunologic Factor7151.3
T203Drug Delivery Device6651.2
T127Vitamin5861.1

Term Type Counts

Term TypeExpanded FormCount
CDAClinical drug name in abbreviated format31238
CDCClinical drug name in concatenated format (NDDF), Clinical drug name (NDFRT)31238
CDDClinical drug name in delimited format31238
INName for an ingredient14016
DFDose Form803
MTH_RXN_CDCRxNorm Created CDC360

Attribute Counts

Attribute TypeExpanded FormCount
NDCNational Drug Code corresponding to a clinical drug (e.g. 000023082503)214846

Relationship Counts

Relation Name/Additional LabelExpanded FormCount
RO/dose_form_ofhas relationship other than synonymous, narrower, or broader/Dose form of32692
RO/has_dose_formhas relationship other than synonymous, narrower, or broader/Has dose form32692
RO/ingredient_ofhas relationship other than synonymous, narrower, or broader/Ingredient of248
RO/has_ingredienthas relationship other than synonymous, narrower, or broader/Has ingredient248

Definition Count

Count
0

Source Overlap

Source# Concepts Sharing Atom/# Total ConceptsPercentage Distribution
RXNORM20200/4197548.1
NDFRT13605/4197532.4
MMSL13405/4197531.9
VANDF13296/4197531.7
MMX11906/4197528.4
SNOMEDCT_US10876/4197525.9
SCTSPA10755/4197525.6
MTHSPL9146/4197521.8
GS9152/4197521.8
MSH5897/4197514.0
NCI5428/4197512.9
NCI_FDA5010/4197511.9
RCD4431/4197510.6
CHV3660/419758.7
MEDCIN2851/419756.8
SNMI2715/419756.5
MSHFRE2634/419756.3
ATC2651/419756.3
DRUGBANK2542/419756.1
MSHGER2310/419755.5
MSHSPA2122/419755.1
MSHITA2126/419755.1
MSHCZE2142/419755.1
MSHPOR2148/419755.1
MSHPOL1991/419754.7
MSHSWE1991/419754.7
MSHRUS1992/419754.7
MSHFIN1855/419754.4
MSHJPN1800/419754.3
SNM1649/419753.9
LNC1418/419753.4
USPMG1374/419753.3
CSP1011/419752.4
LCH_NW892/419752.1
PDQ837/419752.0
AOD707/419751.7
NCI_NCI-GLOSS710/419751.7
LCH606/419751.4
MSHNOR606/419751.4
NCI_DCP554/419751.3
MSHSCR566/419751.3