[Code of Federal Regulations] [Title 12, Volume 1] [Revised as of January 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 42CFR493.53] [Page 984-985] TITLE 42--PUBLIC HEALTH CHAPTER IV--CENTERS FOR MEDICARE & MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICES--(Continued) PART 493--LABORATORY REQUIREMENTS--Table of Contents Subpart C--Registration Certificate, Certificate for Provider-performed Microscopy Procedures, and Certificate of Compliance Sec. 493.53 Notification requirements for laboratories issued a certificate for provider-performed microscopy (PPM) procedures. Laboratories issued a certificate for PPM procedures must notify HHS or its designee-- (a) Before performing and reporting results for any test of moderate or high complexity, or both, in addition to tests specified as PPM procedures or any test or examination that is not specified under Sec. 493.15(c), for which it does not have a registration certificate [[Page 985]] as required in subpart C or subpart D, as applicable, of this part; and (b) Within 30 days of any change in-- (1) Ownership; (2) Name; (3) Location; or (4) Director. [58 FR 5224, Jan. 19, 1993, as amended at 60 FR 20046, Apr. 24, 1995]