icd9cm_get_billable

data, e.g. character vector, <code>icd9</code>, <code>icd9cm</code>

single logical value which determines whether the ICD-9
code provided is in short (<code>TRUE</code>) or decimal (<code>FALSE</code>) form.
Where reasonable, this is guessed from the input data.

short_code

Single logical value. Returns the inverse of the result. E.g.
if seeking valid ICD-9 codes, the invalid ones are returned.

invert

Return only those codes which are leaf codes in the hierarchy. In contrast to
defined codes, these are considered billable and not super-sets
of other codes. The majority have sub-decimal classifications, but some are
simply three-digit codes. This particular function is currently restricted to
ICD-9-CM codes.

internal

Calculate comorbidities, Charlson and van Walraven
scores, perform fast and accurate validation, conversion,
manipulation, filtering and comparison of ICD-9 and ICD-10 codes. This
package enables a work flow from raw lists of ICD codes in hospital
databases to comorbidities.  ICD-9 and ICD-10 comorbidity mappings
from Quan (Deyo and Elixhauser versions), Elixhauser and AHRQ
included.  Common ambiguities and code formats are handled.

Jack O Wasey

icd9cm_get_billable: Get billable ICD-9-CM codes

Description

Usage

Arguments