icd9_fetch_ahrq_ccs

a logical value, if <code>TRUE</code> then use single level CCS,
otherwise use multi level

single

single logical, if <code>TRUE</code> then don't pull the file from
internet, only return path and file name if the file already exists in the
raw data directory. This is helpful for testing without using the internet.

offline

Download AHRQ CCS ICD-9 definitions

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

icd9_fetch_ahrq_ccs: Download AHRQ CCS ICD-9 definitions

Description

Usage

Arguments