# JPZ: Colorimetric Method, Gamma-Glutamyl Transpeptidase

- Device class: 1; regulation: 21 CFR 862.1360; FDA's rule: 510(k) exempt
- FDA decisions: 33
- 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)
- 1985: 1
- 1986: 7
- 1987: 1
- 1988: 2
- 1989: 1
- 1990: 2
- 1991: 1
- 1992: 2
- 1996: 1
- 2002: 1

## Most-cited predicates

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