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Unified Medical Language System (UMLS)

ATC (Anatomical Therapeutic Chemical Classification System) - Statistics


Semantic Type Distribution

Semantic Type IDSemantic Type NameCount Percentage Distribution
T121Pharmacologic Substance478547.4
T109Organic Chemical332532.9
T116Amino Acid, Peptide, or Protein4584.5
T195Antibiotic2822.8
T129Immunologic Factor2702.7
T130Indicator, Reagent, or Diagnostic Aid2472.4
T125Hormone1961.9
T197Inorganic Chemical1141.1

Term Type Counts

Term TypeExpanded FormCount
INName for an ingredient4889
PTDesignated preferred name1261
RXN_PTRxnorm Preferred600
RXN_INRxnorm Preferred Ingredient66

Attribute Counts

Attribute TypeExpanded FormCount
ATC_LEVELATC LEVEL6150
IS_DRUG_CLASSIs Drug Class1261

Relationship Counts

Relation Name/Additional LabelExpanded FormCount
PAR/has_memberhas parent relationship in a Metathesaurus source vocabulary /Has member4889
CHD/member_ofhas child relationship in a Metathesaurus source vocabulary /Member of4889
CHD/isahas child relationship in a Metathesaurus source vocabulary /Is a1261
PAR/inverse_isahas parent relationship in a Metathesaurus source vocabulary /Inverse is a1261

Definition Count

Count
0

Source Overlap

Source# Concepts Sharing Atom/# Total ConceptsPercentage Distribution
MSH3085/541157.0
NCI2749/541150.8
SNOMEDCT_US2742/541150.7
SCTSPA2714/541150.2
NDDF2675/541149.4
RXNORM2612/541148.3
NCI_FDA2601/541148.1
NDFRT2298/541142.5
DRUGBANK2285/541142.2
VANDF1936/541135.8
CHV1840/541134.0
MMSL1765/541132.6
MTHSPL1634/541130.2
MEDCIN1559/541128.8
MSHFRE1519/541128.1
MSHGER1508/541127.9
MSHPOR1472/541127.2
MSHCZE1474/541127.2
MSHITA1469/541127.1
MSHSPA1456/541126.9
MSHSWE1415/541126.2
MSHPOL1419/541126.2
MSHRUS1419/541126.2
SNMI1345/541124.9
RCD1346/541124.9
MSHFIN1339/541124.7
MSHJPN1309/541124.2
LNC1071/541119.8
USPMG981/541118.1
SNM945/541117.5
CSP715/541113.2
PDQ582/541110.8
LCH_NW569/541110.5
NCI_NCI-GLOSS513/54119.5
AOD458/54118.5
MSHSCR435/54118.0
LCH361/54116.7
NCI_DCP345/54116.4
MSHNOR349/54116.4
PSY239/54114.4
NCI_DTP228/54114.2
CPM98/54111.8
CCPSS81/54111.5
RCDAE62/54111.1