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Unified Medical Language System (UMLS)

CDT (Current Dental Terminology) - Statistics


Semantic Type Distribution

Semantic Type IDSemantic Type NameCount Percentage Distribution
T061Therapeutic or Preventive Procedure59776.3
T060Diagnostic Procedure648.2
T074Medical Device536.8
T058Health Care Activity516.5
T059Laboratory Procedure131.7

Term Type Counts

Term TypeExpanded FormCount
PTDesignated preferred name688
HTHierarchical term95
OPObsolete preferred name3

Attribute Counts

Attribute TypeExpanded FormCount
CHANGE_CLASSIdentifies the type of change made to this version of the Code (i.e., changes from the prior version published in "CDT-2011-2012"), with the following meanings: 30 = No change to existing code, nomenclature or descriptor; 31 = New procedure code and nomenclature, and descriptor, if present; 35 = Revision in the nomenclature or descriptor (or both), or to indicate a revision to an entire subcategory.691
SOSScope Statement416

Relationship Counts

Relation Name/Additional LabelExpanded FormCount
SIB/has sibling relationship in a Metathesaurus source vocabulary./Empty relationship attribute10760
PAR/has parent relationship in a Metathesaurus source vocabulary /Empty relationship attribute786
CHD/has child relationship in a Metathesaurus source vocabulary /Empty relationship attribute786

Definition Count

Count
0

Source Overlap

Source# Concepts Sharing Atom/# Total ConceptsPercentage Distribution
HCDT671/78285.8
MEDCIN170/78221.7
SCTSPA98/78212.5
SNOMEDCT_US98/78212.5
SNMI86/78211.0
MTHHH63/7828.1
RCD29/7823.7
SNM27/7823.5
CHV23/7822.9
ICD10AM18/7822.3
MSH13/7821.7
MSHFRE13/7821.7
MSHGER13/7821.7
MSHITA13/7821.7
MSHPOR13/7821.7
MSHCZE12/7821.5
MSHDUT12/7821.5
MSHNOR12/7821.5
MSHSPA12/7821.5
CPT11/7821.4
MSHFIN11/7821.4
MSHJPN11/7821.4
MSHPOL11/7821.4
MSHRUS11/7821.4
MSHSWE11/7821.4