get_leaf: Get billable ICD codes

In icd: Comorbidity Calculations and Tools for ICD-9 and ICD-10 Codes

Description

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.

Usage

get_leaf(...)

## Default S3 method:
get_leaf(x, short_code = guess_short(x), ...)

## S3 method for class 'icd9cm'
get_leaf(x, short_code = guess_short(x), invert = FALSE, ...)

## S3 method for class 'icd9'
get_leaf(...)

Arguments

...	arguments passed on to other functions
x	input vector of ICD codes
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.
invert	Single logical value. Returns the inverse of the result. E.g. if seeking valid ICD-9 codes, the invalid ones are returned.

Methods (by class)

• 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

icd documentation built on July 2, 2020, 4:07 a.m.