ICD-9 chapters

Description

icd9_chapters, icd9_chapters_sub and icd9_majors 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/sub-chapter or major names stored in list names, each with two element named character vector with start and end codes.

Details

  • 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

Source

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

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