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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 Drug1381026.0
T121Pharmacologic Substance873916.5
T109Organic Chemical692213.0
T116Amino Acid, Peptide, or Protein51679.7
T047Disease or Syndrome28865.4
T123Biologically Active Substance22934.3
T126Enzyme16053.0
T044Molecular Function13292.5
T129Immunologic Factor11612.2
T042Organ or Tissue Function8371.6
T130Indicator, Reagent, or Diagnostic Aid7061.3
T168Food6911.3
T191Neoplastic Process6181.2
T192Receptor5691.1

Term Type Counts

Term TypeExpanded FormCount
PTDesignated preferred name45363
FNFull form of descriptor45355
SYDesignated synonym35874
ABAbbreviation in any source vocabulary14959
HTHierarchical term8
MTH_RXN_RHTRxNorm Created reference hierarchy term1

Attribute Counts

Attribute TypeExpanded FormCount
NDFRT_KINDNDFRT kind45363
NUINDFRT numerical unique identifier45363
NDF_UNITSNDF units41697
VA_IENVA individual entry number41276
STRENGTHNDF strength40594
VANDF_RECORDConcatenated triple of VANDF file number, VANDF file IEN, VANDF file record status29096
LEVELRXNORM: Specifies the type of drug concepts - Values can be "Ingredient", "VA Class", or "VA Product"; ICF: hierarchical level number26599
VUIDVHA unique identifier assigned to the product26599
NF_NAMENational Formulary Name18480
DCSAControlled Substance Act designation code (e.g. 0,2,3n)18460
MESH_DUIThe MeSH descriptor unique identifier to which the given NDFRT term maps15319
MESH_NAMEMeSH name15319
MESH_UIThe MeSH Unique Identifier to which the given NDFRT term maps15256
MESH_DEFINITIONMeSH definition for MeSH main heading13660
SNOMED_CIDSNOMED-CT concept ID mapping for NDFRT disease name term5036
FDA_UNII_CODEFDA UNII Code4705
SNOMED_PARENTSNOMED PARENT748
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_be_treated_byhas relationship other than synonymous, narrower, or broader/May be treated by54379
RO/may_treathas relationship other than synonymous, narrower, or broader/May treat54379
PAR/has parent relationship in a Metathesaurus source vocabulary /Empty relationship attribute45363
CHD/has child relationship in a Metathesaurus source vocabulary /Empty relationship attribute45363
RO/product_component_ofhas relationship other than synonymous, narrower, or broader/Product component of41253
RO/has_product_componenthas relationship other than synonymous, narrower, or broader/Has product component41253
RO/contraindicated_with_diseasehas relationship other than synonymous, narrower, or broader/Contraindicated with disease40420
RO/has_contraindicated_drughas relationship other than synonymous, narrower, or broader/Has contraindicated drug40420
RO/has_physiologic_effecthas relationship other than synonymous, narrower, or broader/Has physiologic effect28955
RO/physiologic_effect_ofhas relationship other than synonymous, narrower, or broader/Physiologic effect of28955
RO/has_ingredienthas relationship other than synonymous, narrower, or broader/Has ingredient25453
RO/ingredient_ofhas relationship other than synonymous, narrower, or broader/Ingredient of25453
RO/mechanism_of_action_ofhas relationship other than synonymous, narrower, or broader/Mechanism of action of16836
RO/has_mechanism_of_actionhas relationship other than synonymous, narrower, or broader/Has mechanism of action16836
SY/has_print_namesource asserted synonymy./Has print name14959
SY/print_name_ofsource asserted synonymy./Print name of14959
RO/dose_form_ofhas relationship other than synonymous, narrower, or broader/Dose form of14056
RO/has_dose_formhas relationship other than synonymous, narrower, or broader/Has dose form14056
RO/may_be_prevented_byhas relationship other than synonymous, narrower, or broader/May be prevented by6706
RO/may_preventhas relationship other than synonymous, narrower, or broader/May prevent6706
RO/has_contraindicating_classhas relationship other than synonymous, narrower, or broader/Has contraindicating class2225
RO/contraindicating_class_ofhas relationship other than synonymous, narrower, or broader/Contraindicating class of2225
RO/may_be_diagnosed_byhas relationship other than synonymous, narrower, or broader/May be diagnosed by1060
RO/may_diagnosehas relationship other than synonymous, narrower, or broader/May diagnose1060
RO/contraindicating_mechanism_of_action_ofhas relationship other than synonymous, narrower, or broader/Contraindicating mechanism of action of889
RO/has_contraindicating_mechanism_of_actionhas relationship other than synonymous, narrower, or broader/Has contraindicating mechanism of action889
RO/pharmacokinetics_ofhas relationship other than synonymous, narrower, or broader/Pharmacokinetics of809
RO/has_pharmacokineticshas relationship other than synonymous, narrower, or broader/Has pharmacokinetics809
RO/induced_byhas relationship other than synonymous, narrower, or broader/Induced by786
RO/induceshas relationship other than synonymous, narrower, or broader/Induces786
RO/contraindicating_physiologic_effect_ofhas relationship other than synonymous, narrower, or broader/Contraindicating physiologic effect of664
RO/has_contraindicating_physiologic_effecthas relationship other than synonymous, narrower, or broader/Has contraindicating physiologic effect664
RO/metabolic_site_ofhas relationship other than synonymous, narrower, or broader/Metabolic site of389
RO/site_of_metabolismhas relationship other than synonymous, narrower, or broader/Site of metabolism389
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
VANDF23351/3941859.2
RXNORM17136/3941843.5
MSH16339/3941841.5
SNOMEDCT_US16244/3941841.2
SCTSPA16076/3941840.8
MSHFRE14540/3941836.9
MSHGER14296/3941836.3
MSHCZE14177/3941836.0
MSHSPA14148/3941835.9
MSHITA14151/3941835.9
MSHPOR14166/3941835.9
MSHPOL14030/3941835.6
MSHRUS14031/3941835.6
MSHSWE14031/3941835.6
NDDF13605/3941834.5
MMSL12806/3941832.5
MSHJPN12645/3941832.1
MSHFIN12496/3941831.7
MMX9340/3941823.7
CHV9069/3941823.0
NCI8587/3941821.8
RCD8517/3941821.6
MTHSPL8242/3941820.9
GS7900/3941820.0
SNMI7726/3941819.6
MSHNOR6740/3941817.1
MEDCIN6194/3941815.7
SNM4785/3941812.1
CSP4690/3941811.9
MSHDUT4222/3941810.7
NCI_FDA4222/3941810.7
MSHSCR4235/3941810.7
LCH_NW3924/3941810.0
MDRJPN3623/394189.2
MDR3626/394189.2
MDRCZE3626/394189.2
MDRDUT3626/394189.2
MDRFRE3626/394189.2
MDRGER3626/394189.2
MDRHUN3626/394189.2
MDRITA3626/394189.2
MDRPOR3626/394189.2
MDRSPA3626/394189.2
LNC2896/394187.3
ICPC2ICD10ENG2834/394187.2
AOD2671/394186.8
DRUGBANK2366/394186.0
ATC2267/394185.8
LCH2248/394185.7
ICD10CM2190/394185.6
ICPC2ICD10DUT2138/394185.4
CCPSS1787/394184.5
OMIM1732/394184.4
DXP1740/394184.4
ICD10AM1603/394184.1
NCI_NICHD1444/394183.7
USPMG1445/394183.7
HPO1455/394183.7
COSTAR1467/394183.7
NCI_NCI-GLOSS1436/394183.6
MTHICD91389/394183.5
ICD9CM1321/394183.4
DMDICD101337/394183.4
ICPC2P1338/394183.4
ICD10DUT1339/394183.4
KCD51343/394183.4
ICD101349/394183.4
CST1142/394182.9
WHOFRE1090/394182.8
WHOPOR1091/394182.8
WHO1102/394182.8
PDQ1116/394182.8
MEDLINEPLUS997/394182.5
WHOGER1002/394182.5
WHOSPA932/394182.4
PSY897/394182.3
RCDAE810/394182.1
NCI_DCP576/394181.5
SNOMEDCT_VET510/394181.3
RCDSY487/394181.2
BI488/394181.2