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Table 3 Ontologies chosen for Annotation Workflow configuration as well as overall term frequency counts per ontology.

From: Annotation Analysis for Testing Drug Safety Signals using Unstructured Clinical Notes

Ontology Name Source Abbreviation Frequency
Current Procedural Terminology UMLS CPT 17243153
Human Disease Ontology OBO DO 122035173
International Classification of Disease (ICD-10) UMLS ICD10 55572189
International Classification of Disease (ICD-9) UMLS ICD9 58334369
Logical Observation Identifier Names and Codes UMLS LNC 1208284117
Medical Dictionary for Regulatory Activities UMLS MDR 361398956
Medical Subject Headings UMLS MSH 643026014
National Drug File UMLS NDFRT 232557746
NCI Thesaurus UMLS NCI 2498591490
Online Mendelian Inheritance in Man UMLS OMIM 262747872
Systematized Nomenclature of Medicine–Clinical Terms UMLS SNOMEDCT 2369959351