icd9Chapters: ICD-9-CM chapters
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.
- 001-139 Infectious And Parasitic Diseases
- 140-239
Neoplasms
- 240-279 Endocrine, Nutritional And Metabolic Diseases, And
Immunity Disorders
- 280-289 Diseases Of The Blood And Blood-Forming
Organs
- 290-319 Mental Disorders
- 320-389 Diseases Of The Nervous
System And Sense Organs
- 390-459 Diseases Of The Circulatory System
- 460-519 Diseases Of The Respiratory System
- 520-579 Diseases Of
The Digestive System
- 580-629 Diseases Of The Genitourinary System
- 630-679 Complications Of Pregnancy, Childbirth, And The Puerperium
- 680-709 Diseases Of The Skin And Subcutaneous Tissue
- 710-739
Diseases Of The Musculoskeletal System And Connective Tissue
- 740-759
Congenital Anomalies
- 760-779 Certain Conditions Originating In The
Perinatal Period
- 780-799 Symptoms, Signs, And Ill-Defined Conditions
- 800-999 Injury And Poisoning
- V01-V91 Supplementary
Classification Of Factors Influencing Health Status And Contact With Health
Services
- E000-E999 Supplementary Classification Of External Causes Of
Injury And Poisoning
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.