as.comorbidity_map      Set the class of a named list to show it is a
                        comorbidity map.
as.decimal_diag         Get or set whether ICD codes have have an
                        attribute indicating 'short' or 'decimal'
                        format
charlson                Calculate Charlson Comorbidity Index (Charlson
                        Score)
charlson_from_comorbid
                        Calculate Charlson scores from precomputed
                        Charlson comorbidities
children                Get children of ICD codes
combine                 Combine ICD codes
comorbid                Find comorbidities from ICD-9 codes.
comorbid_df_to_mat      convert comorbidity matrix to data frame
comorbid_hcc            Get Hierarchical Condition Codes (HCC)
comorbid_mat_to_df      convert comorbidity data frame from matrix
comorbid_pccc_dx        Calculate pediatric complex chronic conditions
                        (PCCC) comorbidities
convert                 Convert ICD data between formats and
                        structures.
count_codes             Count ICD codes or comorbidities for each
                        patient
count_codes_wide        Count ICD codes given in wide format
count_comorbid          Count number of comorbidities per patient
diff_comorbid           show the difference between two comorbidity
                        mappings
download_all_icd_data   Download all the additional data at once
filter_poa              Filters data frame based on present-on-arrival
                        flag
filter_valid            Filter ICD codes by validity.
get_billable            Get the subset of codes that are billable
                        according to ICD-9-CM or ICD-10-CM
get_cim10fr2019         Localised synonym for 'get_icd10fr2019', with
                        French column names
get_defined             Select only defined ICD codes
get_icd10be2014         Belgian ICD-10-BE
get_icd10be2014_pc      ICD-10-BE 2014 procedure codes
get_icd10be2017         ICD-10-BE 2017
get_icd10be2017_pc      ICD-10-BE 2017 procedure codes
get_icd10cm2014         ICD-10-CM 2014
get_icd10cm2014_pc      ICD-10-CM Procedure codes for 2014
get_icd10cm2015         ICD-10-CM 2015
get_icd10cm2015_pc      ICD-10-CM Procedure codes for 2015
get_icd10cm2016_pc      ICD-10-CM Procedure codes for 2016
get_icd10cm2017         ICD-10-CM 2017
get_icd10cm2017_pc      ICD-10-CM Procedure codes for 2017
get_icd10cm2018         ICD-10-CM 2018
get_icd10cm2018_pc      ICD-10-CM Procedure codes for 2018
get_icd10cm2019_pc      ICD-10-CM Procedure Codes
get_icd10cm_available   Get the ICD-10-CM versions available in this
                        package
get_icd10cm_latest      The latest available version of ICD-10-CM in
                        this package
get_icd10cm_version     Get the data for a given version (four-digit
                        year) of ICD-10-CM
get_icd10fr2019         French ICD-10-FR modification of WHO ICD-10
                        used in France
get_icd10who2008fr      2008 WHO ICD-10 data in French
get_icd10who2016        2016 WHO ICD-10 data
get_icd9cm2014_leaf     ICD-9-CM, just billable/leaf codes
icd10_chapters          ICD-10 chapters
icd10_map_ahrq_pcs      AHRQ ICD-10-PCS categories
icd10_sub_chapters      ICD-10 sub-chapters
icd10cm2019             United States and Belgium ICD-10-CM
icd9_chapters           ICD-9 chapters
icd9_map_ahrq           AHRQ comorbidities
icd9_map_elix           Elixhauser comorbidities
icd9_map_hcc            Medicare Hierarchical Condition Categories
icd9_map_pccc           Pediatric Complex Chronic Conditions
icd9_map_quan_deyo      Quan adaptation of Deyo/Charlson comorbidities
icd9_map_quan_elix      Quan adaptation of Elixhauser comorbidities
icd9_map_single_ccs     Clinical Classifications Software (CCS) for
                        ICD9/10-CM
icd9_sub_chapters       ICD-9 sub-chapters
icd9cm2014_leaf         The final ICD-9-CM list of leaf ('billable')
                        codes
icd9cm_billable         Deprecated name for the list of annual ICD-9-CM
                        billable/leaf descriptions
icd9cm_hierarchy        ICD-9-CM diagnosis codes including leaf nodes
                        and branch names up to the three-digit codes.
is.icd9                 Test presence of ICD classes
is.icd_long_data        Test for class describing patient data
is_billable             Check whether a code is billable according to
                        ICD-9-CM or ICD-10-CM
long_to_wide            Convert ICD data from long to wide format
names_elix              Comorbidity names
plot_comorbid           Basic ordered bar plot showing counts of each
                        comorbidity
poa_choices             Present-on-admission flags
print.icd9              Print ICD codes and comorbidity maps cleanly
set_icd10cm_active_year
                        Get or set the annual version of ICD-10-CM to
                        use
set_icd_class           Construct ICD-9 and ICD-10 data types
set_icd_data_dir        Set up the data download cache, give permission
                        to download data
sort_icd                Sort or order ICD-9 or ICD-10 codes according
                        to published sequence
subset                  extract subset(s) from ICD data
uranium_pathology       United States Transuranium & Uranium Registries
van_walraven            Calculate van Walraven Elixhauser Score
vermont_dx              Hospital discharge data from Vermont
wide_to_long            Convert ICD data from wide to long format
wide_vs_long            Set the ICD data structure class of a 'matrix'
                        or 'data.frame'.
with_icd10cm_version    Evaluate code with a particular version of
                        ICD-10-CM
