The ICD-9 was used to code and classify mortality data from death certificates until 1999, when use of ICD-10 for mortality coding started. ICD-9-CM is the official system of assigning codes to diagnoses and procedures associated with hospital utilization in the United States. The International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM) is based on the World Health Organization’s Ninth Revision, International Classification of Diseases (ICD-9). ![]()
0 Comments
Leave a Reply. |