# K080159: Kronus TSH Receptor Autoantibody (Trab) Elisa Assay Kit

- Pathway: 510(k) (Traditional)
- Applicant: Kronus Market Development Associates, Inc.
- Decided: May 22, 2008 after 120 days
- Product code: JZO (System, Test, Thyroid Autoantibody)
- Device class: 2
- Regulation: 21 CFR 866.5870
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
No later device cites it as a predicate yet.
0 of 1 device in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA’s file for it is a 510(k) statement, which names no predicate.

## Indications for use
The KRONUS TRAb ELISA Assay Kit is for the semi-quantitative determination of antibodies to the thyroid stimulating hormone receptor in human serum. The KRONUS TRAb ELISA Assay is useful as an aid in the diagnosis of Graves' Disease in conjunction with other clinical and laboratory findings.

Source page: https://510kreport.com/device/K080159
Methodology: https://510kreport.com/methodology