The Medicaid agency must implement a statewide surveillance and utilization control program that—
- (a) Safeguards against unnecessary or inappropriate use of Medicaid services and against excess payments;
- (b) Assesses the quality of those services;
- (c) Provides for the control of the utilization of all services provided under the plan in accordance with subpart B of this part; and
- (d) Provides for the control of the utilization of inpatient services in accordance with subparts C through I of this part.