[Code of Federal Regulations] [Title 21, Volume 8] [Revised as of April 1, 2001] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR862.1177] [Page 181-182] 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 [[Page 182]] are used in the diagnosis and treatment of liver disorders, such as cirrhosis or obstructive liver disease. (b) Classification. Class II.