charlson_rcs            Charlson Comorbidities (Royal College of
                        Surgeons)
charlson_sundararajan   Charlson Comorbidities (Sundararajan)
get_icd_history         Get ICD history metadata
get_icd_labels          Get or query ICD-10 labels
icd_browse              Lookup a 3-digit ICD-10-GM code in the official
                        BfArM browser
icd_expand              Expand list of ICD codes to include all
                        possible subcodes
icd_history             Historize a list of ICD codes to cover the
                        specified years
icd_lookup              Lookup an ICD-10 code in R
icd_meta_blocks         data.frame containing metadata for the
                        ICD-10-GM code blocks
icd_meta_chapters       data.frame containing metadata for the
                        ICD-10-GM chapters
icd_meta_codes          data.frame containing metadata for all
                        ICD-10-GM codes
icd_meta_transition     data.frame detailling the changes in ICD-10-GM
                        codes between versions
icd_parse               Extract all ICD codes from a character vector
icd_search              Search ICD-10-GM labels for a string
icd_showchanges         Show historical changes to selected ICD-10-GM
                        codes
icd_showchanges_icd3    Show historical changes to selected three-digit
                        ICD-10-GM codes
is_icd_code             Test whether a string is a valid ICD code
