icd.data                icd.data: International Classifcation of
                        Diseases (ICD) Data
icd10_chapters          ICD-10 chapters
icd10_map_ahrq_pcs      AHRQ ICD-10-PCS categories
icd10_pcs               ICD-10-CM Procedure Codes
icd10_sub_chapters      ICD-10 sub-chapters
icd10cm2016             ICD-10-CM
icd9_chapters           ICD-9 chapters
icd9cm_billable         list of annual versions of billable leaf nodes
                        of ICD-9-CM
icd9cm_hierarchy        Latest ICD-9-CM diagnosis codes, in flat
                        'data.frame' format
ls_icd_data             List the data in this package
uranium_pathology       United States Transuranium & Uranium Registries
vermont_dx              Hospital discharge data from Vermont
