Gets all ICD-10-CM codes from an archive on the CDC web site at Initially, this just grabs 2016.
icd10cm_get_all_defined(save_data = FALSE, offline = TRUE)The factor generation uses sort.default which is locale dependent.
This meant a lot of time debugging a problem when white space was ignored for
sorting on some platforms, but not others (e.g. Travis and Wercker).
https://www.cms.gov/Medicare/Coding/ICD10/downloads/icd-10quickrefer.pdf