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Unified Medical Language System (UMLS)

UMLS Vocabularies

RXNORM (RXNORM) - Statistics


Semantic Type Distribution

Semantic Type IDSemantic Type NameCount Percentage Distribution
T200Clinical Drug17117474.8
T121Pharmacologic Substance2611011.4
T109Organic Chemical219099.6

Term Type Counts

Term TypeExpanded FormCount
SYDesignated synonym60648
SCDSemantic Clinical Drug36815
PSNPrescribable Names32401
SCDCSemantic Drug Component26701
SBDSemantic branded drug22776
TMSYTall Man synonym21856
SBDGSemantic branded drug group20907
SBDCSemantic Branded Drug Component19029
SCDGSemantic clinical drug group15847
SBDFSemantic branded drug and form14641
SCDFSemantic clinical drug and form14458
INName for an ingredient12346
BNFully-specified drug brand name that can not be prescribed12115
MINname for a multi-ingredient3817
PINName from a precise ingredient2881
BPCKBranded Drug Delivery Device683
GPCKGeneric Drug Delivery Device617
DFDose Form179
DFGDose Form Group45
ETEntry term11

Attribute Counts

Attribute TypeExpanded FormCount
RXCUIRxNorm concept identifier for the atom this is connected to1038074
RXAUIRxNorm atom identifier for the atom it is connected to1038074
NDCNational Drug Code corresponding to a clinical drug (e.g. 000023082503)249944
RXN_OBSOLETEDDate the RxNorm atom became obsolete81005
RXN_AVAILABLE_STRENGTHAvailable drug strengths listed in the order of ingredients from the drug56792
RXTERM_FORMThe RxTerm dose form name for this drug46903
RXN_STRENGTHStrength plus unit of SCDC26701
RXN_HUMAN_DRUGDrug available for use in Humans25057
RXN_BN_CARDINALITYCardinality of RxNorm Brand Name Atom12022
RXN_ACTIVATEDDate the RxNorm atom was reactivated11689
RXN_BOSS_FROMRXN Boss From10469
RXN_BOSS_AIRXN Boss AI10469
RXN_BOSS_STRENGTH_NUM_UNITRXN Boss Strength Num Unit10469
RXN_BOSS_STRENGTH_DENOM_VALUERXN Boss Strength Denom Value10469
RXN_BOSS_STRENGTH_DENOM_UNITRXN Boss Strength Denom Unit10469
RXN_BOSS_AMRXN Boss AM10469
RXN_BOSS_STRENGTH_NUM_VALUERXN Boss Strength Num Value10469
AMBIGUITY_FLAGSource atom ambiguity flag8549
RXN_QUANTITYNormal Form quantity factor5569
RXN_IN_EXPRESSED_FLAGStrength Expressed As Precise Flag3777
RXN_VET_DRUGDrug available for use in animals1782
RXN_QUALITATIVE_DISTINCTIONRXN Qualitative Distinction275
ORIG_SOURCEOriginal source associated with this string134
ORIG_CODEOriginal code associated with this string134

Relationship Counts

Relation Name/Additional LabelExpanded FormCount
SY/source asserted synonymy./Empty relationship attribute1006142
RN/isahas a narrower relationship/Is a202610
RB/inverse_isahas a broader relationship/Inverse is a202610
RO/ingredient_ofhas relationship other than synonymous, narrower, or broader/Ingredient of155266
RO/has_ingredienthas relationship other than synonymous, narrower, or broader/Has ingredient155266
RO/consists_ofhas relationship other than synonymous, narrower, or broader/Consists of110847
RO/constituteshas relationship other than synonymous, narrower, or broader/Constitutes110847
RN/tradename_ofhas a narrower relationship/Tradename of106416
RB/has_tradenamehas a broader relationship/Has tradename106416
RO/dose_form_ofhas relationship other than synonymous, narrower, or broader/Dose form of89990
RO/has_dose_formhas relationship other than synonymous, narrower, or broader/Has dose form89990
RO/has_doseformgrouphas relationship other than synonymous, narrower, or broader/Has dose form group36754
RO/doseformgroup_ofhas relationship other than synonymous, narrower, or broader/Dose form group of36754
RO/ingredients_ofhas relationship other than synonymous, narrower, or broader/Ingredients of11565
RO/has_ingredientshas relationship other than synonymous, narrower, or broader/Has ingredients11565
RO/part_ofhas relationship other than synonymous, narrower, or broader/Part of10585
RO/has_parthas relationship other than synonymous, narrower, or broader/Has part10585
RN/has_precise_ingredienthas a narrower relationship/Has precise ingredient6783
RB/precise_ingredient_ofhas a broader relationship/Precise ingredient of6783
RO/included_inhas relationship other than synonymous, narrower, or broader/included_in6127
RO/includeshas relationship other than synonymous, narrower, or broader/includes6127
RB/has_quantified_formhas a broader relationship/Has quantified form5374
RN/quantified_form_ofhas a narrower relationship/Quantified form of5374
RO/precise_ingredient_ofhas relationship other than synonymous, narrower, or broader/Precise ingredient of4316
RO/has_precise_ingredienthas relationship other than synonymous, narrower, or broader/Has precise ingredient4316
RN/form_ofhas a narrower relationship/Form of2881
RB/has_formhas a broader relationship/Has form2881
RN/containshas a narrower relationship/Contains2443
RB/contained_inhas a broader relationship/Contained in2443
RO/reformulation_ofhas relationship other than synonymous, narrower, or broader/Reformulation of63
RO/reformulated_tohas relationship other than synonymous, narrower, or broader/Reformulated to63

Definition Count

Count
0

Source Overlap

Source# Concepts Sharing Atom/# Total ConceptsPercentage Distribution
MMSL37171/20385918.2
MTHSPL30075/20385914.8
MMX27609/20385913.5
GS22033/20385910.8
NDDF20726/20385910.2
VANDF17459/2038598.6
SNOMEDCT_US16812/2038598.2
SCTSPA16347/2038598.0
RCD10963/2038595.4
MSH9177/2038594.5
NCI8353/2038594.1
CHV6031/2038593.0
NCI_FDA5945/2038592.9
DRUGBANK4311/2038592.1
SNMI3838/2038591.9
MEDCIN3924/2038591.9
USP3549/2038591.7
MSHGER3080/2038591.5
MSHFRE3138/2038591.5
MSHSPA2757/2038591.4
MSHPOR2843/2038591.4
MSHCZE2877/2038591.4
ATC2675/2038591.3
PDQ2477/2038591.2
MSHITA2528/2038591.2
MSHPOL2227/2038591.1
MSHRUS2227/2038591.1
MSHSWE2227/2038591.1