parseIcd9Chapters


This is rather slow, queries a web page repeatedly, which is
  both non-reproducible, and perhaps bad form. Aim to deprecate and replace
  with my own RTF parsing of canonical documents, which is now working
  reasonably well, at least for 'major' codes from 2015.


internal

Obsolete: 'icd9' is replaced by CRAN package 'icd'.
Calculate comorbidities, Charlson scores, perform fast and accurate
validation, conversion, manipulation, filtering and comparison of ICD-9-CM
(clinical modification) codes. ICD-9 codes appear numeric but leading and
trailing zeroes, and both decimal and non-decimal "short" format codes
exist. The package enables a work flow from raw lists of ICD-9 codes from
hospital billing databases to comorbidities. ICD-9 to comorbidity mappings
from Quan (Deyo and Elixhauser versions), Elixhauser and AHRQ included. Any
other mapping of codes, such as ICD-10, to comorbidities can be used.

parseIcd9Chapters: Read higher-level ICD-9 structure from a reliable web site

Description

Usage

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Details