[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: 21CFR862.1177] [Page 183] 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. 862.1177 Cholylglycine test system. (a) Identification. A cholylglycine test system is a device intended to measure the bile acid cholylglycine in serum. Measurements obtained by this device are used in the diagnosis and treatment of liver disorders, such as cirrhosis or obstructive liver disease. (b) Classification. Class II.