Title: The International classification of diseases, 9th revision, clinical modification
Description: Classification intended "to aid the clinical management of patients and to guide the formation of health care policy and priorities in the United States." Complete compatibility between ICD-9 and ICD-9-CM, the former still being used for cause-of-death coding in the United States, the latter for morbidity coding.
Subjects: Nosology, Classification, Surgical Operations, Medical Reference Books