[Code of Federal Regulations] [Title 21, Volume 8] [Revised as of April 1, 2008] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR864.2280] [Page 233] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) PART 864_HEMATOLOGY AND PATHOLOGY DEVICES--Table of Contents Subpart C_Cell And Tissue Culture Products Sec. 864.2280 Cultured animal and human cells. (a) Identification. Cultured animal and human cells are in vitro cultivated cell lines from the tissue of humans or other animals which are used in various diagnostic procedures, particularly diagnostic virology and cytogenetic studies. (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 Sec. 864.9. [45 FR 60585, Sept. 12, 1980, as amended at 65 FR 2310, Jan. 14, 2000]