CFR > Title 21 - Food and Drugs > CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES > SUBCHAPTER H—MEDICAL DEVICES (parts 800 to 898) > PART 866—IMMUNOLOGY AND MICROBIOLOGY DEVICES > SUBPART F—Immunological Test Systems (§866.5040 to §866.5910) > 866.5630—Beta -2-microglobulin immunological test system.

866.5630—Beta -2-microglobulin immunological test system.

(a) Identification. A beta -2-microglobulin immunological test system is a device that consists of the reagents used to measure by immunochemical techniques beta -2-microglobulin (a protein molecule) in serum, urine, and other body fluids. Measurement of beta -2-microglobulin aids in the diagnosis of active rheumatoid arthritis and kidney disease.
(b) Classification. Class II (performance standards).