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Unified Medical Language System (UMLS)

RXNORM (RXNORM) - Statistics


Semantic Type Distribution

Semantic Type IDSemantic Type NameCount Percentage Distribution
T200Clinical Drug17242773.0
T121Pharmacologic Substance2976412.6
T109Organic Chemical2400410.2

Term Type Counts

Term TypeExpanded FormCount
SYDesignated synonym58317
SCDSemantic Clinical Drug37046
PSNPrescribable Names30665
SCDCSemantic Drug Component27080
SBDSemantic branded drug22536
TMSYTall Man synonym21986
SBDGSemantic branded drug group20985
SBDCSemantic Branded Drug Component18973
SCDGSemantic clinical drug group16366
BNFully-specified drug brand name that can not be prescribed16087
SCDFSemantic clinical drug and form14765
SBDFSemantic branded drug and form14676
INName for an ingredient11697
MINname for a multi-ingredient3975
PINName from a precise ingredient2743
BPCKBranded Drug Delivery Device599
GPCKGeneric Drug Delivery Device546
DFDose Form176
DFGDose Form Group45
ETEntry term11

Attribute Counts

Attribute TypeExpanded FormCount
RXCUIRxNorm concept identifier for the atom this is connected to1135529
RXAUIRxNorm atom identifier for the atom it is connected to1135529
NDCNational Drug Code corresponding to a clinical drug (e.g. 000023082503)238681
RXN_OBSOLETEDDate the RxNorm atom became obsolete85482
RXN_AVAILABLE_STRENGTHAvailable drug strengths listed in the order of ingredients from the drug56527
RXTERM_FORMThe RxTerm dose form name for this drug47499
RXN_STRENGTHStrength plus unit of SCDC27080
RXN_HUMAN_DRUGDrug available for use in Humans24635
RXN_ACTIVATEDDate the RxNorm atom was reactivated12327
RXN_BN_CARDINALITYCardinality of RxNorm Brand Name Atom12066
AMBIGUITY_FLAGSource atom ambiguity flag8076
RXN_QUANTITYNormal Form quantity factor5235
RXN_IN_EXPRESSED_FLAGStrength Expressed As Precise Flag3536
RXN_VET_DRUGDrug available for use in animals1790
RXN_QUALITATIVE_DISTINCTIONRXN Qualitative Distinction221
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 attribute1068066
RB/inverse_isahas a broader relationship/Inverse is a203913
RN/isahas a narrower relationship/Is a203913
RO/has_ingredienthas relationship other than synonymous, narrower, or broader/Has ingredient157091
RO/ingredient_ofhas relationship other than synonymous, narrower, or broader/Ingredient of157091
RO/consists_ofhas relationship other than synonymous, narrower, or broader/Consists of110903
RO/constituteshas relationship other than synonymous, narrower, or broader/Constitutes110903
RB/has_tradenamehas a broader relationship/Has tradename106541
RN/tradename_ofhas a narrower relationship/Tradename of106541
RO/has_dose_formhas relationship other than synonymous, narrower, or broader/Has dose form90168
RO/dose_form_ofhas relationship other than synonymous, narrower, or broader/Dose form of90168
RO/doseformgroup_ofhas relationship other than synonymous, narrower, or broader/Dose form group of37351
RO/has_doseformgrouphas relationship other than synonymous, narrower, or broader/Has dose form group37351
RO/has_ingredientshas relationship other than synonymous, narrower, or broader/Has ingredients11756
RO/ingredients_ofhas relationship other than synonymous, narrower, or broader/Ingredients of11756
RO/has_parthas relationship other than synonymous, narrower, or broader/Has part10975
RO/part_ofhas relationship other than synonymous, narrower, or broader/Part of10975
RN/has_precise_ingredienthas a narrower relationship/Has precise ingredient6679
RB/precise_ingredient_ofhas a broader relationship/Precise ingredient of6679
RO/includeshas relationship other than synonymous, narrower, or broader/includes5769
RO/included_inhas relationship other than synonymous, narrower, or broader/included_in5769
RB/has_quantified_formhas a broader relationship/Has quantified form5076
RN/quantified_form_ofhas a narrower relationship/Quantified form of5076
RO/has_precise_ingredienthas relationship other than synonymous, narrower, or broader/Has precise ingredient4071
RO/precise_ingredient_ofhas relationship other than synonymous, narrower, or broader/Precise ingredient of4071
RB/has_formhas a broader relationship/Has form2743
RN/form_ofhas a narrower relationship/Form of2743
RN/containshas a narrower relationship/Contains2220
RB/contained_inhas a broader relationship/Contained in2220
RO/reformulated_tohas relationship other than synonymous, narrower, or broader/Reformulated to101
RO/reformulation_ofhas relationship other than synonymous, narrower, or broader/Reformulation of101

Definition Count

Count
0

Source Overlap

Source# Concepts Sharing Atom/# Total ConceptsPercentage Distribution
MMSL38752/20830118.6
MTHSPL28734/20830113.8
MMX26231/20830112.6
GS20605/2083019.9
NDDF20377/2083019.8
NDFRT17280/2083018.3
VANDF16808/2083018.1
SNOMEDCT_US14182/2083016.8
SCTSPA13917/2083016.7
RCD11345/2083015.4
MSH9142/2083014.4
NCI8107/2083013.9
CHV6475/2083013.1
NCI_FDA5662/2083012.7
SNMI3922/2083011.9
MEDCIN3769/2083011.8
DRUGBANK3773/2083011.8
MSHFRE2863/2083011.4
ATC2612/2083011.3
MSHGER2688/2083011.3
MSHCZE2482/2083011.2
MSHSPA2212/2083011.1
MSHPOR2314/2083011.1
MSHITA2350/2083011.1