Which of the following is NOT a necessary policy or procedure for organizations?

In the context of healthcare compliance, certain policies and procedures are deemed essential to maintain legal and ethical standards within an organization. Among these necessary policies are record retention policies, which ensure that organizations maintain and dispose of records in compliance with applicable laws; Medicare sanction checks, which are vital for verifying the credentials and compliance of healthcare providers; and billing policies that establish guidelines for accurate and ethical billing practices.

On the other hand, marketing strategies, while important for the growth and visibility of a healthcare organization, do not fall under the category of required compliance policies or procedures. They focus more on how the organization presents its services to the public rather than ensuring compliance with regulations. As such, marketing strategies are not considered mandatory in the same way that the other options are, making them the correct response to the question.