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Unified Medical Language System (UMLS)

ATC (Anatomical Therapeutic Chemical (ATC)-classification system) - Statistics


Semantic Type Distribution

Semantic Type IDSemantic Type NameCount Percentage Distribution
T121Pharmacologic Substance472147.3
T109Organic Chemical330733.1
T116Amino Acid, Peptide, or Protein4414.4
T195Antibiotic2822.8
T129Immunologic Factor2552.6
T130Indicator, Reagent, or Diagnostic Aid2472.5
T125Hormone1972.0
T197Inorganic Chemical1121.1

Term Type Counts

Term TypeExpanded FormCount
INName for an ingredient4822
PTDesignated preferred name1260
RXN_PTRxnorm Preferred600
RXN_INRxnorm Preferred Ingredient66

Attribute Counts

Attribute TypeExpanded FormCount
ATC_LEVELATC LEVEL6082
IS_DRUG_CLASSIs Drug Class1260

Relationship Counts

Relation Name/Additional LabelExpanded FormCount
CHD/member_ofhas child relationship in a Metathesaurus source vocabulary /Member of4822
PAR/has_memberhas parent relationship in a Metathesaurus source vocabulary /Has member4822
CHD/isahas child relationship in a Metathesaurus source vocabulary /Is a1260
PAR/inverse_isahas parent relationship in a Metathesaurus source vocabulary /Inverse is a1260

Definition Count

Count
0

Source Overlap

Source# Concepts Sharing Atom/# Total ConceptsPercentage Distribution
MSH3039/534456.9
NCI2730/534451.1
SNOMEDCT_US2697/534450.5
SCTSPA2662/534449.8
NDDF2651/534449.6
RXNORM2575/534448.2
NCI_FDA2577/534448.2
NDFRT2267/534442.4
DRUGBANK2089/534439.1
VANDF1905/534435.6
CHV1830/534434.2
MMSL1737/534432.5
MTHSPL1616/534430.2
MEDCIN1553/534429.1
MSHFRE1511/534428.3
MSHGER1499/534428.1
MSHITA1462/534427.4
MSHPOR1463/534427.4
MSHCZE1460/534427.3
MSHSPA1447/534427.1
MSHPOL1411/534426.4
MSHRUS1411/534426.4
MSHSWE1411/534426.4
RCD1339/534425.1
SNMI1340/534425.1
MSHFIN1335/534425.0
MSHJPN1305/534424.4
LNC1056/534419.8
USPMG974/534418.2
SNM944/534417.7
CSP712/534413.3
PDQ583/534410.9
LCH_NW566/534410.6
NCI_NCI-GLOSS514/53449.6
AOD458/53448.6
MSHSCR432/53448.1
LCH361/53446.8
NCI_DCP343/53446.4
MSHNOR329/53446.2
PSY239/53444.5
NCI_DTP228/53444.3
CPM99/53441.9
CCPSS81/53441.5
RCDAE62/53441.2