Medical Coding

Answer: C - The organizations that approved the ICD-10-CM guidelines and who make up the Cooperating Parties are the American Hospital Association (AHA), American Health Information Management Association (AHIMA), Centers for Medicare & Medicaid Services (CMS), and the National Center for Health Statistics (NCHS).
The ICD-10-CM is based on the ICD-10, which is the statistical classification of disease that is published by the World Health Organization. The U.S. Federal Governments Department of Health and Human Services is mentioned in the official guidelines because two of its departments (CMS and NCHS) are part of the organizations that make up the Cooperating Parties for the ICD-10-CM.