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Unified Medical Language System (UMLS)

RXNORM (RXNORM) - Statistics


Semantic Type Distribution

Semantic Type IDSemantic Type NameCount Percentage Distribution
T200Clinical Drug17145373.1
T121Pharmacologic Substance2962412.6
T109Organic Chemical2372810.1

Term Type Counts

Term TypeExpanded FormCount
SYDesignated synonym57417
SCDSemantic Clinical Drug36812
PSNPrescribable Names30139
SCDCSemantic Drug Component26955
SBDSemantic branded drug22344
TMSYTall Man synonym21913
SBDGSemantic branded drug group20882
SBDCSemantic Branded Drug Component18859
SCDGSemantic clinical drug group16299
BNFully-specified drug brand name that can not be prescribed16032
SCDFSemantic clinical drug and form14703
SBDFSemantic branded drug and form14599
INName for an ingredient11471
MINname for a multi-ingredient3954
PINName from a precise ingredient2700
BPCKBranded Drug Delivery Device581
GPCKGeneric Drug Delivery Device538
DFDose Form175
DFGDose Form Group45
ETEntry term11

Attribute Counts

Attribute TypeExpanded FormCount
RXCUIRxNorm concept identifier for the atom this is connected to1118866
RXAUIRxNorm atom identifier for the atom it is connected to1118866
NDCNational Drug Code corresponding to a clinical drug (e.g. 000023082503)229972
RXN_OBSOLETEDDate the RxNorm atom became obsolete83568
RXN_AVAILABLE_STRENGTHAvailable drug strengths listed in the order of ingredients from the drug56795
RXTERM_FORMThe RxTerm dose form name for this drug47288
RXN_STRENGTHStrength plus unit of SCDC26955
RXN_HUMAN_DRUGDrug available for use in Humans24685
RXN_BN_CARDINALITYCardinality of RxNorm Brand Name Atom12003
RXN_ACTIVATEDDate the RxNorm atom was reactivated11914
AMBIGUITY_FLAGSource atom ambiguity flag8031
RXN_QUANTITYNormal Form quantity factor5114
RXN_IN_EXPRESSED_FLAGStrength Expressed As Precise Flag3517
RXN_VET_DRUGDrug available for use in animals1788
RXN_QUALITATIVE_DISTINCTIONRXN Qualitative Distinction191
ORIG_SOURCEOriginal source associated with this string136
ORIG_CODEOriginal code associated with this string136

Relationship Counts

Relation Name/Additional LabelExpanded FormCount
SY/source asserted synonymy./Empty relationship attribute1046286
RB/inverse_isahas a broader relationship/Inverse is a202670
RN/isahas a narrower relationship/Is a202670
RO/has_ingredienthas relationship other than synonymous, narrower, or broader/Has ingredient156281
RO/ingredient_ofhas relationship other than synonymous, narrower, or broader/Ingredient of156281
RO/constituteshas relationship other than synonymous, narrower, or broader/Constitutes110125
RO/consists_ofhas relationship other than synonymous, narrower, or broader/Consists of110125
RB/has_tradenamehas a broader relationship/Has tradename105885
RN/tradename_ofhas a narrower relationship/Tradename of105885
RO/dose_form_ofhas relationship other than synonymous, narrower, or broader/Dose form of89577
RO/has_dose_formhas relationship other than synonymous, narrower, or broader/Has dose form89577
RO/has_doseformgrouphas relationship other than synonymous, narrower, or broader/Has dose form group37181
RO/doseformgroup_ofhas relationship other than synonymous, narrower, or broader/Dose form group of37181
RO/ingredients_ofhas relationship other than synonymous, narrower, or broader/Ingredients of11685
RO/has_ingredientshas relationship other than synonymous, narrower, or broader/Has ingredients11685
RO/has_parthas relationship other than synonymous, narrower, or broader/Has part10923
RO/part_ofhas relationship other than synonymous, narrower, or broader/Part of10923
RB/precise_ingredient_ofhas a broader relationship/Precise ingredient of6633
RN/has_precise_ingredienthas a narrower relationship/Has precise ingredient6633
RO/includeshas relationship other than synonymous, narrower, or broader/includes5736
RO/included_inhas relationship other than synonymous, narrower, or broader/included_in5736
RN/quantified_form_ofhas a narrower relationship/Quantified form of4975
RB/has_quantified_formhas a broader relationship/Has quantified form4975
RO/precise_ingredient_ofhas relationship other than synonymous, narrower, or broader/Precise ingredient of4049
RO/has_precise_ingredienthas relationship other than synonymous, narrower, or broader/Has precise ingredient4049
RN/form_ofhas a narrower relationship/Form of2700
RB/has_formhas a broader relationship/Has form2700
RN/containshas a narrower relationship/Contains2175
RB/contained_inhas a broader relationship/Contained in2175
RO/reformulation_ofhas relationship other than synonymous, narrower, or broader/Reformulation of99
RO/reformulated_tohas relationship other than synonymous, narrower, or broader/Reformulated to99

Definition Count

Count
0

Source Overlap

Source# Concepts Sharing Atom/# Total ConceptsPercentage Distribution
MMSL38450/20695018.6
MTHSPL28494/20695013.8
MMX25989/20695012.6
NDDF20200/2069509.8
GS20124/2069509.7
NDFRT17136/2069508.3
VANDF16652/2069508.0
SNOMEDCT_US14045/2069506.8
SCTSPA13815/2069506.7
RCD11346/2069505.5
MSH9045/2069504.4
NCI8035/2069503.9
CHV6469/2069503.1
NCI_FDA5611/2069502.7
SNMI3905/2069501.9
MEDCIN3756/2069501.8
DRUGBANK3064/2069501.5
MSHFRE2841/2069501.4
MSHGER2667/2069501.3
MSHCZE2424/2069501.2
ATC2575/2069501.2
MSHSPA2182/2069501.1
MSHPOR2284/2069501.1
MSHITA2333/2069501.1