Get billable ICD codes, implicitly, this refers to an ICD implementation which is specialized for a country, typically for billing, e.g. ICD-9-CM in the USA.
get_leaf(...)# S3 method for default
get_leaf(x, short_code = guess_short(x), ...)
# S3 method for icd9cm
get_leaf(x, short_code = guess_short(x), invert = FALSE, ...)
# S3 method for icd9
get_leaf(...)
arguments passed on to other functions
input vector of ICD codes
single logical value which determines whether the ICD-9
code provided is in short (TRUE) or decimal (FALSE) form.
Where reasonable, this is guessed from the input data.
Single logical value. Returns the inverse of the result. E.g. if seeking valid ICD-9 codes, the invalid ones are returned.
default: Get billable ICD codes, guessing whether ICD-9
or ICD-10, and code short vs decimal type.
icd9cm: Get billable ICD-9-CM codes
icd9: Get billable ICD-9 codes, which is currently
implemented assuming ICD-9-CM