# GSZ: Antigens, Febrile (Weil-Felix), All Groups

- Device class: 1; regulation: 21 CFR 866.3410; FDA's rule: 510(k) exempt
- FDA decisions: 3
- Recalls: 0 (0 Class I)
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026; MAUDE to Sep 30, 2026

## Decisions per year (last 10)
- 1976: 2
- 1989: 1

## Most-cited predicates

Source page: https://510kreport.com/product-code/GSZ
Data by year (CSV): https://510kreport.com/product-code/GSZ.csv
