parseIcd9Chapters

save

There is no easily machine-readable list of the three digit (I call the 'major') ICD-9 code chapters. This code downloads a pretty RTF file and extracts these codes with their names. WORK IN PROGRESS!
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internal

This package allows accurate manipulation, conversion, validation
    and comparison of ICD-9-CM (clinical modification) codes. Although ICD-9
    codes appear numeric, this is not the case, since trailing zeroes, and a
    mixture of decimal and non-decimal "short" format codes exist. Tools to map
    ICD-9 codes to co-morbidities are also provided, with mappings from Quan
    (Deyo and Elixhauser versions), Elixhauser and AHRQ included.

parseIcd9Chapters: parse list of top-level ICD-9 codes from canonical data from CDC. #

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