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Unified Medical Language System (UMLS)

UMLS Vocabularies

MED-RT (Medication Reference Terminology) - Statistics


Semantic Type Distribution

Semantic Type IDSemantic Type NameCount Percentage Distribution
T044Molecular Function139439.4
T042Organ or Tissue Function83023.5
T121Pharmacologic Substance78522.2
T039Physiologic Function2055.8
T043Cell Function1283.6
T129Immunologic Factor501.4

Term Type Counts

Term TypeExpanded FormCount
FNFull form of descriptor3466
PTDesignated preferred name3466
SYDesignated synonym1387

Attribute Counts

Attribute TypeExpanded FormCount
AUTHORITYAuthority87470
CONCEPT_TYPEConcept type3466
TERM_STATUSTerm Status3466

Relationship Counts

Relation Name/Additional LabelExpanded FormCount
PAR/parent_ofhas parent relationship in a Metathesaurus source vocabulary /Parent of19924
CHD/has_parenthas child relationship in a Metathesaurus source vocabulary /Has parent19924
SY/source asserted synonymy./Empty relationship attribute15410
RO/may_be_treated_byhas relationship other than synonymous, narrower, or broader/May be treated by14508
RO/may_treathas relationship other than synonymous, narrower, or broader/May treat14508
RO/contraindicated_with_diseasehas relationship other than synonymous, narrower, or broader/Contraindicated with disease11275
RO/has_contraindicated_drughas relationship other than synonymous, narrower, or broader/Has contraindicated drug11275
RO/has_physiologic_effecthas relationship other than synonymous, narrower, or broader/Has physiologic effect11175
RO/physiologic_effect_ofhas relationship other than synonymous, narrower, or broader/Physiologic effect of11175
RO/has_mechanism_of_actionhas relationship other than synonymous, narrower, or broader/Has mechanism of action6948
RO/mechanism_of_action_ofhas relationship other than synonymous, narrower, or broader/Mechanism of action of6948
RO/has_therapeutic_classhas relationship other than synonymous, narrower, or broader/Has therapeutic class4925
RO/therapeutic_class_ofhas relationship other than synonymous, narrower, or broader/Therapeutic class of4925
CHD/has child relationship in a Metathesaurus source vocabulary /Empty relationship attribute3929
PAR/has parent relationship in a Metathesaurus source vocabulary /Empty relationship attribute3929
RO/structural_class_ofhas relationship other than synonymous, narrower, or broader/Has structural class3435
RO/has_structural_classhas relationship other than synonymous, narrower, or broader/Structural class of3435
RO/may_be_prevented_byhas relationship other than synonymous, narrower, or broader/May be prevented by2556
RO/may_preventhas relationship other than synonymous, narrower, or broader/May prevent2556
RO/has_contraindicated_classhas relationship other than synonymous, narrower, or broader/Has contraindicated class1885
RO/contraindicated_class_ofhas relationship other than synonymous, narrower, or broader/Contraindicated class of1885
RO/has_contraindicated_mechanism_of_actionhas relationship other than synonymous, narrower, or broader/Has contraindicated mechanism of action442
RO/contraindicated_mechanism_of_action_ofhas relationship other than synonymous, narrower, or broader/Contraindicated mechanism of action of442
RO/has_contraindicated_physiologic_effecthas relationship other than synonymous, narrower, or broader/Has contraindicated physiologic effect274
RO/contraindicated_physiologic_effect_ofhas relationship other than synonymous, narrower, or broader/Contraindicated physiologic effect of274
RO/induced_byhas relationship other than synonymous, narrower, or broader/Induced by169
RO/induceshas relationship other than synonymous, narrower, or broader/Induces169
RO/may_be_diagnosed_byhas relationship other than synonymous, narrower, or broader/May be diagnosed by157
RO/may_diagnosehas relationship other than synonymous, narrower, or broader/May diagnose157
RO/has_pharmacokineticshas relationship other than synonymous, narrower, or broader/Has pharmacokinetics79
RO/pharmacokinetics_ofhas relationship other than synonymous, narrower, or broader/Pharmacokinetics of79
RO/metabolic_site_ofhas relationship other than synonymous, narrower, or broader/Metabolic site of43
RO/site_of_metabolismhas relationship other than synonymous, narrower, or broader/Site of metabolism43
RO/active_metabolites_ofhas relationship other than synonymous, narrower, or broader/Active metabolites of8
RO/has_active_metaboliteshas relationship other than synonymous, narrower, or broader/Has active metabolites8
RO/may_inhibit_effect_ofhas relationship other than synonymous, narrower, or broader/May inhibit effect of2
RO/effect_may_be_inhibited_byhas relationship other than synonymous, narrower, or broader/Effect may be inhibited by2

Definition Count

Count
0

Source Overlap

Source# Concepts Sharing Atom/# Total ConceptsPercentage Distribution
MSHCZE44/34671.3
MSHSPA44/34671.3
MSHPOR45/34671.3
MSH46/34671.3
MSHNOR40/34671.2
MSHGER42/34671.2
MSHFRE43/34671.2
MSHITA43/34671.2
MSHSWE43/34671.2
MSHPOL39/34671.1
MSHRUS39/34671.1