GroundRules
21 CFR 866.5540: Immunoglobulin G (Fd fragment specific) immunological test system.
Where this section sits in the code
- Title 21—Food and Drugs
- CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES
- SUBCHAPTER H—MEDICAL DEVICES
- PART 866—IMMUNOLOGY AND MICROBIOLOGY DEVICES
- Subpart F—Immunological Test Systems
(a) Identification. An immunoglobulin G (Fd fragment specific) immunological test system is a device that consists of the reagents used to measure by immunochemical techniques the amino terminal (antigen-binding) end (Fd fragment) of the heavy chain (a subunit) of the immunoglobulin antibody molecule in serum. Measurement of immunoglobulin G Fd fragments aids in the diagnosis of plasma antibody-forming cell abnormalities.
(b) Classification. Class I (general controls). The device is exempt from the premarket notification procedures in subpart E of part 807 of this chapter subject to the limitations in § 866.9.
Collected 2026-08-27T02:24:47Z. Source file · JSON