[Code of Federal Regulations] [Title 42, Volume 3] [Revised as of October 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 42CFR456.21] [Page 329] TITLE 42--PUBLIC HEALTH CHAPTER IV--CENTERS FOR MEDICARE & MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) PART 456_UTILIZATION CONTROL--Table of Contents Subpart B_Utilization Control: All Medicaid Services Sec. 456.21 Scope. This subpart prescribes utilization control requirements applicable to all services provided under a State plan.