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What do the cooperating agencies do in relation to ICD-9-CM?

  1. Maintain physical copies only

  2. Share responsibility for maintaining and updating ICD-9-CM

  3. Develop new coding systems

  4. Advise on coding principles

The correct answer is: Share responsibility for maintaining and updating ICD-9-CM

The cooperating agencies work together to share the responsibility for maintaining and updating the ICD-9-CM (International Classification of Diseases, 9th Revision, Clinical Modification) coding system. This ensures that the system stays current with advances in medical knowledge and technology. Maintaining and updating the coding system is crucial for accurate medical coding and billing practices.