42 C.F.R. § 455.14 : Public Health — CENTERS FOR MEDICARE & MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICES — MEDICAL ASSISTANCE PROGRAMS — PROGRAM INTEGRITY: MEDICAID — MEDICAID AGENCY FRAUD DETECTION AND INVESTIGATION PROGRAM — 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.

42 C.F.R. §455.14

48 FR 3756, 1/27/1983