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Unified Medical Language System (UMLS)

UMLS Vocabularies

NCI_UCUM (Unified Code for Units of Measure) - Statistics


This source is no longer available in the current version of the UMLS Metathesaurus. To obtain content from this source, download the 2022AA UMLS release. The content is also available in the UMLS History Files.


Semantic Type Distribution

Semantic Type IDSemantic Type NameCount Percentage Distribution
T081Quantitative Concept139196.9
T079Temporal Concept251.7

Term Type Counts

Term TypeExpanded FormCount
ABAbbreviation in any source vocabulary2819
PTDesignated preferred name277
SYDesignated synonym84

Definition Count

Count
0

Source Overlap

Source# Concepts Sharing Atom/# Total ConceptsPercentage Distribution
NCI1434/143599.9
NCI_CDISC1267/143588.3
SNOMEDCT_US369/143525.7
SCTSPA368/143525.6
RCD249/143517.4
NCI_ICH184/143512.8
NCI_FDA151/143510.5
CHV141/14359.8
NCI_NCPDP73/14355.1
RCDAE73/14355.1
NCI_caDSR60/14354.2
NCI_NCI-HL739/14352.7
LNC27/14351.9
NCI_EDQM-HC24/14351.7
NCI_NCI-GLOSS22/14351.5
NCI_PCDC18/14351.3