The coding manual that contains three to seven character codes with a decimal after the third character is; ICD-9-CM, Volumes 1 and 2
The correct coding manual here is ICD-9-CM, Volumes 1 and 2.
This is because the International Classification of Diseases, Clinical Modification (ICD-9-CM) is a manual that is based upon the WHO(World Health Organization’s) Ninth Revision,
Thus, ICD-9-CM which is an International Classification of Diseases and is the official system of assigning codes to diagnoses and procedures associated with hospital utilization in the United States
Furthermore, this coding manual contains three to seven character codes with a decimal after the third character.
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