Manipulate SNOMED CT Diagnosis Lists

Functions and methods for manipulating SNOMED CT concepts. The package contains functions for loading the SNOMED CT release into a convenient R environment, selecting SNOMED CT concepts using regular expressions, and navigating the SNOMED CT ontology. It provides the 'SNOMEDconcept' S3 class for a vector of SNOMED CT concepts (stored as 64-bit integers) and the 'SNOMEDcodelist' S3 class for a table of concepts IDs with descriptions. For more information about SNOMED CT visit <>.


Reference manual

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1.0 by Anoop Shah, 2 months ago

Browse source code at

Authors: Anoop Shah [aut, cre]

Documentation:   PDF Manual  

GPL-3 license

Imports data.table, bit64, methods

Suggests knitr, rmarkdown, testthat

See at CRAN