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Unified Medical Language System (UMLS)

NDFRT (National Drug File - Reference Terminology) - Statistics


Semantic Type Distribution

Semantic Type IDSemantic Type NameCount Percentage Distribution
T200Clinical Drug1392826.1
T121Pharmacologic Substance880616.5
T109Organic Chemical693713.0
T116Amino Acid, Peptide, or Protein51779.7
T047Disease or Syndrome28905.4
T123Biologically Active Substance22954.3
T126Enzyme16043.0
T044Molecular Function13332.5
T129Immunologic Factor11692.2
T042Organ or Tissue Function8361.6
T130Indicator, Reagent, or Diagnostic Aid7081.3
T168Food6911.3
T191Neoplastic Process6191.2
T192Receptor5701.1

Term Type Counts

Term TypeExpanded FormCount
PTDesignated preferred name45605
FNFull form of descriptor45597
SYDesignated synonym35888
ABAbbreviation in any source vocabulary15147
HTHierarchical term8
MTH_RXN_RHTRxNorm Created reference hierarchy term1

Attribute Counts

Attribute TypeExpanded FormCount
NDFRT_KINDNDFRT kind45605
NUINDFRT numerical unique identifier45605
NDF_UNITSNDF units42047
VA_IENVA individual entry number41492
STRENGTHNDF strength40944
VANDF_RECORDConcatenated triple of VANDF file number, VANDF file IEN, VANDF file record status29346
LEVELRXNORM: Specifies the type of drug concepts - Values can be "Ingredient", "VA Class", or "VA Product"; ICF: hierarchical level number26828
VUIDVHA unique identifier assigned to the product26828
NF_NAMENational Formulary Name18666
DCSAControlled Substance Act designation code (e.g. 0,2,3n)18646
MESH_DUIThe MeSH descriptor unique identifier to which the given NDFRT term maps15320
MESH_NAMEMeSH name15320
MESH_UIThe MeSH Unique Identifier to which the given NDFRT term maps15257
MESH_DEFINITIONMeSH definition for MeSH main heading13660
SNOMED_CIDSNOMED-CT concept ID mapping for NDFRT disease name term5038
FDA_UNII_CODEFDA UNII Code4720
SNOMED_PARENTSNOMED PARENT758
VACVA Class - the code of an NDF/HT drug class name (e.g. AM110)486
SNOMED_CHILDSNOMED CHILD9

Relationship Counts

Relation Name/Additional LabelExpanded FormCount
RO/may_treathas relationship other than synonymous, narrower, or broader/May treat64889
RO/may_be_treated_byhas relationship other than synonymous, narrower, or broader/May be treated by64889
PAR/has parent relationship in a Metathesaurus source vocabulary /Empty relationship attribute45605
CHD/has child relationship in a Metathesaurus source vocabulary /Empty relationship attribute45605
RO/has_product_componenthas relationship other than synonymous, narrower, or broader/Has product component41469
RO/product_component_ofhas relationship other than synonymous, narrower, or broader/Product component of41469
RO/contraindicated_with_diseasehas relationship other than synonymous, narrower, or broader/Contraindicated with disease40884
RO/has_contraindicated_drughas relationship other than synonymous, narrower, or broader/Has contraindicated drug40884
RO/physiologic_effect_ofhas relationship other than synonymous, narrower, or broader/Physiologic effect of35902
RO/has_physiologic_effecthas relationship other than synonymous, narrower, or broader/Has physiologic effect35902
RO/ingredient_ofhas relationship other than synonymous, narrower, or broader/Ingredient of25574
RO/has_ingredienthas relationship other than synonymous, narrower, or broader/Has ingredient25574
RO/has_mechanism_of_actionhas relationship other than synonymous, narrower, or broader/Has mechanism of action19558
RO/mechanism_of_action_ofhas relationship other than synonymous, narrower, or broader/Mechanism of action of19558
SY/print_name_ofsource asserted synonymy./Print name of15147
SY/has_print_namesource asserted synonymy./Has print name15147
RO/has_dose_formhas relationship other than synonymous, narrower, or broader/Has dose form14196
RO/dose_form_ofhas relationship other than synonymous, narrower, or broader/Dose form of14196
RO/may_be_prevented_byhas relationship other than synonymous, narrower, or broader/May be prevented by7941
RO/may_preventhas relationship other than synonymous, narrower, or broader/May prevent7941
RO/has_contraindicating_classhas relationship other than synonymous, narrower, or broader/Has contraindicating class2238
RO/contraindicating_class_ofhas relationship other than synonymous, narrower, or broader/Contraindicating class of2238
RO/may_be_diagnosed_byhas relationship other than synonymous, narrower, or broader/May be diagnosed by1073
RO/may_diagnosehas relationship other than synonymous, narrower, or broader/May diagnose1073
RO/contraindicating_mechanism_of_action_ofhas relationship other than synonymous, narrower, or broader/Contraindicating mechanism of action of895
RO/has_contraindicating_mechanism_of_actionhas relationship other than synonymous, narrower, or broader/Has contraindicating mechanism of action895
RO/pharmacokinetics_ofhas relationship other than synonymous, narrower, or broader/Pharmacokinetics of811
RO/has_pharmacokineticshas relationship other than synonymous, narrower, or broader/Has pharmacokinetics811
RO/induceshas relationship other than synonymous, narrower, or broader/Induces796
RO/induced_byhas relationship other than synonymous, narrower, or broader/Induced by796
RO/has_contraindicating_physiologic_effecthas relationship other than synonymous, narrower, or broader/Has contraindicating physiologic effect666
RO/contraindicating_physiologic_effect_ofhas relationship other than synonymous, narrower, or broader/Contraindicating physiologic effect of666
RO/metabolic_site_ofhas relationship other than synonymous, narrower, or broader/Metabolic site of398
RO/site_of_metabolismhas relationship other than synonymous, narrower, or broader/Site of metabolism398
RO/active_metabolites_ofhas relationship other than synonymous, narrower, or broader/Active metabolites of65
RO/has_active_metaboliteshas relationship other than synonymous, narrower, or broader/Has active metabolites65
RO/may_inhibit_effect_ofhas relationship other than synonymous, narrower, or broader/May inhibit effect of13
RO/effect_may_be_inhibited_byhas relationship other than synonymous, narrower, or broader/Effect may be inhibited by13

Definition Count

Count
31

Source Overlap

Source# Concepts Sharing Atom/# Total ConceptsPercentage Distribution
VANDF23554/3963759.4
RXNORM17280/3963743.6
MSH16376/3963741.3
SNOMEDCT_US16305/3963741.1
SCTSPA16159/3963740.8
MSHFRE14549/3963736.7
MSHGER14305/3963736.1
MSHPOR14176/3963735.8
MSHCZE14199/3963735.8
MSHITA14158/3963735.7
MSHSPA14158/3963735.7
MSHSWE14028/3963735.4
MSHPOL14033/3963735.4
MSHRUS14034/3963735.4
NDDF13749/3963734.7
MMSL13000/3963732.8
MSHJPN12643/3963731.9
MSHFIN12494/3963731.5
MMX9468/3963723.9
CHV9066/3963722.9
NCI8603/3963721.7
RCD8521/3963721.5
MTHSPL8289/3963720.9
GS8085/3963720.4
SNMI7730/3963719.5
MSHNOR7319/3963718.5
MEDCIN6218/3963715.7
SNM4786/3963712.1
CSP4690/3963711.8
NCI_FDA4239/3963710.7
MSHSCR4253/3963710.7
MSHDUT4220/3963710.6
LCH_NW3922/396379.9
MDRJPN3634/396379.2
MDR3637/396379.2
MDRCZE3637/396379.2
MDRDUT3637/396379.2
MDRFRE3637/396379.2
MDRGER3637/396379.2
MDRHUN3637/396379.2
MDRITA3637/396379.2
MDRPOR3637/396379.2
MDRSPA3637/396379.2
MED-RT3258/396378.2
LNC2931/396377.4
ICPC2ICD10ENG2834/396377.1
DRUGBANK2753/396376.9
AOD2671/396376.7
ATC2298/396375.8
LCH2246/396375.7
ICD10CM2188/396375.5
ICPC2ICD10DUT2138/396375.4
CCPSS1786/396374.5
OMIM1737/396374.4
DXP1740/396374.4
ICD10AM1600/396374.0
COSTAR1466/396373.7
HPO1472/396373.7
NCI_NCI-GLOSS1429/396373.6
NCI_NICHD1442/396373.6
USPMG1445/396373.6
MTHICD91387/396373.5
DMDICD101334/396373.4
ICD10DUT1336/396373.4
ICPC2P1337/396373.4
KCD51340/396373.4
ICD101346/396373.4
ICD9CM1319/396373.3
CST1141/396372.9
WHO1101/396372.8
PDQ1118/396372.8
WHOFRE1089/396372.7
WHOPOR1090/396372.7
MEDLINEPLUS1001/396372.5
WHOGER1001/396372.5
PSY897/396372.3
WHOSPA931/396372.3
RCDAE810/396372.0
NCI_DCP576/396371.5
SNOMEDCT_VET512/396371.3
RCDSY487/396371.2
BI488/396371.2