icd 9 cm
ICD-9-CM
A modification of the ninth revision, ICD-9, of a system of coding of diseases, signs, symptoms, abnormal findings, complaints, social circumstances, and external causes of injury or diseases, as classified by the World Health Organization (WHO).
Notes
ICD-9-CM is an abbreviation for the International Classification of Diseases, 9th Revision, Clinical Modification.
ICD-9-CM is maintained jointly by the U.S. National Center for Health Statistics (NCHS) and Centers for Medicare & Medicaid Services (CMS).
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