[Code of Federal Regulations] [Title 42, Volume 3] [Revised as of October 1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 42CFR456.21] [Page 323] 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.