The full ICD-9 specification is in an RTF file, but CMS also distributes a space-separated text file with just the definitions for 'defined', 'billable' codes. Note that this canonical data doesn't specify non-diagnostic higher-level codes, just the specific diagnostic 'child' codes.
icd9_parse_leaf_desc_ver(version = icd9cm_latest_edition(),
save_data = TRUE, offline = TRUE)
character vector of length one containing the ICD-9 version,
e.g. "32"
which is the default.
single logical value, if TRUE
will save the generated
data
single logical, if TRUE
then don't pull the file from
internet, only return path and file name if the file already exists in the
raw data directory. This is helpful for testing without using the internet.
Absolute path in which to save parsed data
invisibly return the result
The file can be pulled from the zip files on the CMS web site or from within the package.