Package: Rdiagnosislist Title: Manipulate SNOMED CT Diagnosis Lists Version: 1.5.1 Authors@R: person(given = c("Anoop", "D."), family = "Shah", role = c("aut", "cre"), email = "anoop@doctors.org.uk", comment = c(ORCID = "0000-0002-8907-5724")) Description: 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. The package can be used to construct sets of 'SNOMED CT' concepts for research (). For more information about 'SNOMED CT' visit . License: GPL-3 Imports: data.table (>= 1.12.8), bit64, methods Depends: readxl, R (>= 3.5.0) Suggests: knitr, rmarkdown, testthat Encoding: UTF-8 LazyData: true RoxygenNote: 7.3.3 Author: Anoop D. Shah [aut, cre] (ORCID: ) Maintainer: Anoop D. Shah VignetteBuilder: knitr URL: https://github.com/anoopshah/Rdiagnosislist NeedsCompilation: no Packaged: 2026-06-24 18:37:54 UTC; root Repository: https://cran.r-universe.dev Date/Publication: 2026-06-24 15:20:02 UTC RemoteUrl: https://github.com/cran/Rdiagnosislist RemoteRef: HEAD RemoteSha: e757f52ae5188b45e020ddfe2aebeabb7f7fb4a2