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Unified Medical Language System (UMLS)

UMD (UMDNS) - Statistics


Semantic Type Distribution

Semantic Type IDSemantic Type NameCount Percentage Distribution
T074Medical Device1700869.7
T130Indicator, Reagent, or Diagnostic Aid531321.8
T073Manufactured Object11774.8
T170Intellectual Product4701.9

Term Type Counts

Term TypeExpanded FormCount
ETEntry term13785
PTDesignated preferred name12013
SYDesignated synonym8443
RTTerm that is related to, but often considered non-synonymous with, the preferred term3097
HTHierarchical term69

Attribute Counts

Attribute TypeExpanded FormCount
DEVTYPEDevice Type37407
SYCODESynonym Code2760

Relationship Counts

Relation Name/Additional LabelExpanded FormCount
SIB/has sibling relationship in a Metathesaurus source vocabulary./Empty relationship attribute967494
RO/has relationship other than synonymous, narrower, or broader/Empty relationship attribute33686
PAR/inverse_isahas parent relationship in a Metathesaurus source vocabulary /Inverse is a12556
CHD/isahas child relationship in a Metathesaurus source vocabulary /Is a12556
RN/has a narrower relationship/Empty relationship attribute10747
RB/has a broader relationship/Empty relationship attribute10747

Definition Count

Count
9778

Source Overlap

Source# Concepts Sharing Atom/# Total ConceptsPercentage Distribution
DMDUMD3287/2433113.5
SNOMEDCT_US2386/243319.8
SCTSPA2349/243319.7
CHV1132/243314.7
SPN1053/243314.3
RCD427/243311.8
SNMI420/243311.7
MSH380/243311.6
MSHGER353/243311.5
MSHFRE370/243311.5
MSHSPA332/243311.4
MSHPOR334/243311.4
MSHITA338/243311.4
MSHCZE350/243311.4
MSHNOR351/243311.4