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Unified Medical Language System (UMLS)

UMD (Universal Medical Device Nomenclature System) - Statistics


Semantic Type Distribution

Semantic Type IDSemantic Type NameCount Percentage Distribution
T074Medical Device1722469.3
T130Indicator, Reagent, or Diagnostic Aid539621.7
T073Manufactured Object13135.3
T170Intellectual Product4801.9

Term Type Counts

Term TypeExpanded FormCount
ETEntry term14089
PTDesignated preferred name12163
SYDesignated synonym9272
RTTerm that is related to, but often considered non-synonymous with, the preferred term3135
HTHierarchical term69

Attribute Counts

Attribute TypeExpanded FormCount
DEVTYPEDevice Type38728
SYCODESynonym Code2742

Relationship Counts

Relation Name/Additional LabelExpanded FormCount
SIB/has sibling relationship in a Metathesaurus source vocabulary./Empty relationship attribute998510
RO/has relationship other than synonymous, narrower, or broader/Empty relationship attribute51038
CHD/isahas child relationship in a Metathesaurus source vocabulary /Is a12732
PAR/inverse_isahas parent relationship in a Metathesaurus source vocabulary /Inverse is a12732
RB/has a broader relationship/Empty relationship attribute10914
RN/has a narrower relationship/Empty relationship attribute10914

Definition Count

Count
10470

Source Overlap

Source# Concepts Sharing Atom/# Total ConceptsPercentage Distribution
DMDUMD3261/2480313.1
SNOMEDCT_US2412/248039.7
SCTSPA2371/248039.6
CHV1146/248034.6
SPN1053/248034.2
RCD439/248031.8
SNMI426/248031.7
MSH386/248031.6
MSHNOR365/248031.5
MSHFRE376/248031.5
MSHSPA339/248031.4
MSHPOR342/248031.4
MSHITA344/248031.4
MSHCZE358/248031.4
MSHGER359/248031.4
NCI301/248031.2