To cite package ‘Rdiagnosislist’ in publications use:

  Shah AD (2026). _Rdiagnosislist: Manipulate SNOMED CT Diagnosis
  Lists_. R package version 1.5.1,
  <https://github.com/anoopshah/rdiagnosislist>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {Rdiagnosislist: Manipulate SNOMED CT Diagnosis Lists},
    author = {Anoop D. Shah},
    year = {2026},
    note = {R package version 1.5.1},
    url = {https://github.com/anoopshah/rdiagnosislist},
  }