[Code of Federal Regulations] [Title 21, Volume 8] [Revised as of April 1, 2001] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR892.1640] [Page 499] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES--(Continued) PART 892--RADIOLOGY DEVICES--Table of Contents Subpart B--Diagnostic Devices Sec. 892.1640 Radiographic film marking system. (a) Identification. A radiographic film marking system is a device intended for medical purposes to add identification and other information onto radiographic film by means of exposure to visible light. (b) Classification. Class I. The device is exempt from the premarket notification procedures in subpart E of part 807 of this chapter. [55 FR 48444, Nov. 20, 1990, as amended at 59 FR 63015, Dec. 7, 1994]