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Unified Medical Language System (UMLS)

UMLS Vocabularies

UMD (Universal Medical Device Nomenclature System) - Statistics


Semantic Type Distribution

Semantic Type IDSemantic Type NameCount Percentage Distribution
T074Medical Device1753164.0
T130Indicator, Reagent, or Diagnostic Aid745027.2
T073Manufactured Object14425.3
T170Intellectual Product4851.8

Term Type Counts

Term TypeExpanded FormCount
ETEntry term15289
PTDesignated preferred name12314
SYDesignated synonym9377
RTTerm that is related to, but often considered non-synonymous with, the preferred term4317
HTHierarchical term69

Attribute Counts

Attribute TypeExpanded FormCount
DEVTYPEDevice Type41366
SYCODESynonym Code2738

Relationship Counts

Relation Name/Additional LabelExpanded FormCount
SIB/has sibling relationship in a Metathesaurus source vocabulary./Empty relationship attribute1039074
RO/has relationship other than synonymous, narrower, or broader/Empty relationship attribute55000
RN/has a narrower relationship/Empty relationship attribute13731
RB/has a broader relationship/Empty relationship attribute13731
CHD/isahas child relationship in a Metathesaurus source vocabulary /Is a12889
PAR/inverse_isahas parent relationship in a Metathesaurus source vocabulary /Inverse is a12889

Definition Count

Count
11011

Source Overlap

Source# Concepts Sharing Atom/# Total ConceptsPercentage Distribution
DMDUMD3257/2730911.9
SNOMEDCT_US2428/273098.9
SCTSPA2386/273098.7
CHV1153/273094.2
SPN1056/273093.9
SNMI428/273091.6
RCD441/273091.6
MSHFRE380/273091.4
MSH390/273091.4
MSHSPA342/273091.3
MSHPOR345/273091.3
MSHITA347/273091.3
MSHCZE362/273091.3
MSHGER362/273091.3
MSHNOR367/273091.3
NCI318/273091.2