[Code of Federal Regulations] [Title 21, Volume 8] [Revised as of April 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR862.1235] [Page 205-206] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) PART 862_CLINICAL CHEMISTRY AND CLINICAL TOXICOLOGY DEVICES--Table of Contents Subpart B_Clinical Chemistry Test Systems Sec. 862.1235 Cyclosporine test system. (a) Identification. A cyclosporine test system is a device intended to quantitatively determine cyclosporine concentrations as an aid in the management of transplant patients receiving [[Page 206]] therapy with this drug. This generic type of device includes immunoassays and chromatographic assays for cyclosporine. (b) Classification. Class II (special controls). The special control is ``Class II Special Controls Guidance Document: Cyclosporine and Tacrolimus Assays; Guidance for Industry and FDA.'' See Sec. 862.1(d) for the availability of this guidance document. [67 FR 58329, Sept. 16, 2002]