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Unified Medical Language System® (UMLS®)

2012AB MEDCIN Source Information

Counts

 (skip to: notes)

Semantic Type Count Percentage
FINDING 144451 51.7
THERAPEUTIC OR PREVENTIVE PROCEDURE 39531 14.1
DISEASE OR SYNDROME 16184 5.8
NEOPLASTIC PROCESS 15859 5.7
INJURY OR POISONING 13186 4.7
LABORATORY PROCEDURE 8929 3.2
DIAGNOSTIC PROCEDURE 8393 3
SIGN OR SYMPTOM 8221 2.9
PHARMACOLOGIC SUBSTANCE 5888 2.1
PATHOLOGIC FUNCTION 4764 1.7
HEALTH CARE ACTIVITY 4764 1.7
ORGANIC CHEMICAL 4019 1.4
LABORATORY OR TEST RESULT 2662 1

Notes

  • Semantic Types are a set of 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 Chapter 5 of the UMLS Reference Manual to read more about the Semantic Network