Expand a pair of major codes into a range of major codes. This was previously
exported, but is now going to be available only with :::
, and
expand_range
will follow. This was never supposed to be a user
facing function.
expand_range_major(start, end)# S3 method for default
expand_range_major(start, end)
# S3 method for icd10cm
expand_range_major(start, end)
# S3 method for icd9
expand_range_major(start, end, defined = TRUE)
default
: Expand range of top-level, 'major' codes
of unknown type
icd10cm
: Expand range of top-level ICD-10 codes
icd9
: Expand a range of ICD-9 major codes into
major codes