Learn R Programming

icd (version 4.0.9)

is_leaf: Determine whether codes are billable leaf-nodes

Description

Codes provided are compared to the most recent edition of the CMS list of billable codes, or another edition if specified.

Usage

is_leaf(x, short_code = guess_short(x), ...)

# S3 method for icd9 is_leaf(x, short_code = guess_short(x), ...)

# S3 method for icd10cm is_leaf(x, short_code = guess_short(x), ...)

# S3 method for icd10 is_leaf(x, short_code = guess_short(x), ...)

# S3 method for icd9cm is_leaf(x, short_code = guess_short(x), ...)

# S3 method for default is_leaf(x, short_code = guess_short(x), ...)

Arguments

x

input vector to test

short_code

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.

...

arguments passed on to other functions

Value

logical vector of same length as input

Methods (by class)

  • icd9: Which of the given ICD-9 codes are leaf nodes in ICD-9-CM. Currently assumes ICD-9 codes are ICD-9-CM

  • icd10cm: Which of the given ICD-10 codes are leaf nodes in ICD-10-CM. Currently assumes ICD-10 codes are ICD-10-CM

  • icd10: Which of the given ICD-10 codes are leaf nodes in ICD-10-CM. Currently assumes ICD-10 codes are ICD-10-CM

  • icd9cm: Which of the given ICD-9 codes are leaf nodes in ICD-9-CM

  • default: Which of the given ICD codes are leaf nodes in ICD version (9 vs 10) guessed from the codes themselves.