[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: 42CFR455.14] [Page 319] TITLE 42--PUBLIC HEALTH CHAPTER IV--CENTERS FOR MEDICARE & MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) PART 455_PROGRAM INTEGRITY: MEDICAID--Table of Contents Subpart A_Medicaid Agency Fraud Detection and Investigation Program Sec. 455.14 Preliminary investigation. If the agency receives a complaint of Medicaid fraud or abuse from any source or identifies any questionable practices, it must conduct a preliminary investigation to determine whether there is sufficient basis to warrant a full investigation. [48 FR 3756, Jan. 27, 1983]