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Unified Medical Language System® (UMLS®)

2010AA LOINC Source Information

Counts

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Semantic Type Count Percentage
CLINICAL ATTRIBUTE 59911 47.7
IMMUNOLOGIC FACTOR 13818 11
AMINO ACID, PEPTIDE, OR PROTEIN 10793 8.6
FINDING 8916 7.1
ORGANIC CHEMICAL 5723 4.6
PHARMACOLOGIC SUBSTANCE 4230 3.4
INTELLECTUAL PRODUCT 3465 2.8
LABORATORY PROCEDURE 2941 2.3
BIOLOGICALLY ACTIVE SUBSTANCE 2679 2.1
BODY PART, ORGAN, OR ORGAN COMPONENT 2409 1.9
SPATIAL CONCEPT 2726 2.2
CELL 2357 1.9
QUANTITATIVE CONCEPT 1969 1.6
TEMPORAL CONCEPT 1738 1.4
QUALITATIVE CONCEPT 1446 1.2
DIAGNOSTIC PROCEDURE 1370 1.1

Notes

  • Semantic Types are a set of 135 broad subject areas that provide a consistent categorization of concepts represented in the Metathesaurus. Semantic Types are arranged into two mutually exclusive hierarchies, Entity and Event.
  • Semantic Types help summarize the content of a source.
  • Each Metathesaurus concept is assigned at least one semantic type, many have more than one.
  • The report displays the most frequently assigned semantic types in descending order, up to a total of 1%.
  • The 'Count' field below is the number of concepts assigned a specific semantic type and containing at least one atom from the source.
  • The 'Percentage' field below is the count relative to the total number of concepts that contain an atom from that source.
  • The MRSTY file contains one row for each Semantic Type assigned to each concept. All Metathesaurus concepts have at least one entry in this file.
  • See UMLS Documentation, Section 3, Semantic Network