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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 Drug17116974.9
T121Pharmacologic Substance2608211.4
T109Organic Chemical217729.5

Term Type Counts

Term TypeExpanded FormCount
SYDesignated synonym59963
SCDSemantic Clinical Drug36738
PSNPrescribable Names31851
SCDCSemantic Drug Component26649
SBDSemantic branded drug22750
TMSYTall Man synonym22006
SBDGSemantic branded drug group21039
SBDCSemantic Branded Drug Component19054
SCDGSemantic clinical drug group15829
SBDFSemantic branded drug and form14682
SCDFSemantic clinical drug and form14428
INName for an ingredient12174
BNFully-specified drug brand name that can not be prescribed12157
MINname for a multi-ingredient3818
PINName from a precise ingredient2840
BPCKBranded Drug Delivery Device638
GPCKGeneric Drug Delivery Device577
DFDose Form178
DFGDose Form Group45
ETEntry term11

Attribute Counts

Attribute TypeExpanded FormCount
RXCUIRxNorm concept identifier for the atom this is connected to999453
RXAUIRxNorm atom identifier for the atom it is connected to999453
NDCNational Drug Code corresponding to a clinical drug (e.g. 000023082503)252456
RXN_OBSOLETEDDate the RxNorm atom became obsolete81075
RXN_AVAILABLE_STRENGTHAvailable drug strengths listed in the order of ingredients from the drug56495
RXTERM_FORMThe RxTerm dose form name for this drug46823
RXN_STRENGTHStrength plus unit of SCDC26649
RXN_HUMAN_DRUGDrug available for use in Humans24816
RXN_BN_CARDINALITYCardinality of RxNorm Brand Name Atom12077
RXN_ACTIVATEDDate the RxNorm atom was reactivated11674
RXN_BOSS_STRENGTH_NUM_VALUERXN Boss Strength Num Value10180
RXN_BOSS_STRENGTH_DENOM_VALUERXN Boss Strength Denom Value10180
RXN_BOSS_STRENGTH_DENOM_UNITRXN Boss Strength Denom Unit10180
RXN_BOSS_AIRXN Boss AI10180
RXN_BOSS_FROMRXN Boss From10180
RXN_BOSS_AMRXN Boss AM10180
RXN_BOSS_STRENGTH_NUM_UNITRXN Boss Strength Num Unit10180
AMBIGUITY_FLAGSource atom ambiguity flag8290
RXN_QUANTITYNormal Form quantity factor5470
RXN_IN_EXPRESSED_FLAGStrength Expressed As Precise Flag3646
RXN_VET_DRUGDrug available for use in animals1766
RXN_QUALITATIVE_DISTINCTIONRXN Qualitative Distinction227
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 attribute946662
RB/inverse_isahas a broader relationship/Inverse is a202615
RN/isahas a narrower relationship/Is a202615
RO/ingredient_ofhas relationship other than synonymous, narrower, or broader/Ingredient of155376
RO/has_ingredienthas relationship other than synonymous, narrower, or broader/Has ingredient155376
RO/consists_ofhas relationship other than synonymous, narrower, or broader/Consists of110875
RO/constituteshas relationship other than synonymous, narrower, or broader/Constitutes110875
RB/has_tradenamehas a broader relationship/Has tradename106699
RN/tradename_ofhas a narrower relationship/Tradename of106699
RO/dose_form_ofhas relationship other than synonymous, narrower, or broader/Dose form of89813
RO/has_dose_formhas relationship other than synonymous, narrower, or broader/Has dose form89813
RO/has_doseformgrouphas relationship other than synonymous, narrower, or broader/Has dose form group36868
RO/doseformgroup_ofhas relationship other than synonymous, narrower, or broader/Dose form group of36868
RO/has_ingredientshas relationship other than synonymous, narrower, or broader/Has ingredients11649
RO/ingredients_ofhas relationship other than synonymous, narrower, or broader/Ingredients of11649
RO/has_parthas relationship other than synonymous, narrower, or broader/Has part10586
RO/part_ofhas relationship other than synonymous, narrower, or broader/Part of10586
RB/precise_ingredient_ofhas a broader relationship/Precise ingredient of6671
RN/has_precise_ingredienthas a narrower relationship/Has precise ingredient6671
RO/included_inhas relationship other than synonymous, narrower, or broader/included_in5915
RO/includeshas relationship other than synonymous, narrower, or broader/includes5915
RN/quantified_form_ofhas a narrower relationship/Quantified form of5307
RB/has_quantified_formhas a broader relationship/Has quantified form5307
RO/precise_ingredient_ofhas relationship other than synonymous, narrower, or broader/Precise ingredient of4183
RO/has_precise_ingredienthas relationship other than synonymous, narrower, or broader/Has precise ingredient4183
RN/form_ofhas a narrower relationship/Form of2840
RB/has_formhas a broader relationship/Has form2840
RB/contained_inhas a broader relationship/Contained in2331
RN/containshas a narrower relationship/Contains2331
RO/reformulation_ofhas relationship other than synonymous, narrower, or broader/Reformulation of62
RO/reformulated_tohas relationship other than synonymous, narrower, or broader/Reformulated to62

Definition Count

Count
0

Source Overlap

Source# Concepts Sharing Atom/# Total ConceptsPercentage Distribution
MMSL36867/20360218.1
MTHSPL29704/20360214.6
MMX27141/20360213.3
GS21682/20360210.6
NDDF20506/20360210.1
VANDF17210/2036028.5
NDFRT17278/2036028.5
SNOMEDCT_US16454/2036028.1
SCTSPA15437/2036027.6
RCD11054/2036025.4
MSH9094/2036024.5
NCI8281/2036024.1
CHV6031/2036023.0
NCI_FDA5909/2036022.9
DRUGBANK4188/2036022.1
SNMI3840/2036021.9
MEDCIN3890/2036021.9
USP3534/2036021.7
MSHGER3076/2036021.5
MSHFRE3133/2036021.5
MSHSPA2754/2036021.4
MSHPOR2840/2036021.4
MSHCZE2873/2036021.4
ATC2675/2036021.3
PDQ2471/2036021.2
MSHITA2526/2036021.2
MSHPOL2225/2036021.1
MSHRUS2225/2036021.1