icd9Chapters: ICD-9-CM chapters

Description Format Source

Description

icd9Chapters, icd9ChaptersSub and icd9ChaptersMajor contain mappings from the higher level descriptions of ICD-9 codes to the ranges of ICD-9 codes they describe. Helpful in summarizing codes or grouping for human-readable output. These can easily be converted to a co-morbidity mapping, as shown in the vignette.

Format

list with chapter/usb-chapter or major names stored in list names, each with two element named character vector with start and end codes.

Source

http://www.cms.gov/Medicare/Coding/ICD9ProviderDiagnosticCodes/codes.html


jackwasey/icd9 documentation built on May 18, 2019, 7:57 a.m.