[Code of Federal Regulations] [Title 21, Volume 8] [Revised as of April 1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR892.1640] [Page 509] 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 (general controls). The device is exempt from the premarket notification procedures in subpart E of part 807 of this chapter, subject to the limitations in Sec. 892.9. [55 FR 48444, Nov. 20, 1990, as amended at 59 FR 63015, Dec. 7, 1994; 66 FR 38819, July 25, 2001] [[Page 510]]