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) > 866.5260—Complement C 3b inactivator immunological test system.

866.5260—Complement C 3b inactivator immunological test system.

(a) Identification. A complement C3b inactivator immunological test system is a device that consists of the reagents used to measure by immunochemical techniques the complement C3b inactivator (a plasma protein) in serum. Complement is a group of serum proteins that destroy infectious agents. Measurement of complement C3b inactivator aids in the diagnosis of inherited antibody dysfunction.
(b) Classification. Class II (performance standards).