[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: 21CFR866.2180] [Page 238-239] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) PART 866--IMMUNOLOGY AND MICROBIOLOGY DEVICES--Table of Contents Subpart C--Microbiology Devices Sec. 866.2180 Manual colony counter. (a) Identification. A manual colony counter is a device intended for medical purposes that consists of a printed grid system superimposed on an illuminated screen. Petri plates containing bacterial colonies to be counted are placed on the screen for better viewing and ease of counting. The number of colonies counted is used in the diagnosis of disease as a measure of the degree of bacterial infection. (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. 866.9. The device is also exempt from the good manufacturing practice regulations in part 820 of this chapter, with the exception of Sec. 820.180, with respect to general requirements concerning records, and [[Page 239]] Sec. 820.198, with respect to complaint files. [47 FR 50823, Nov. 9, 1982, as amended at 66 FR 38790, July 25, 2001]