# DNK: Thin Layer Chromatography, Morphine

- Device class: 2; regulation: 21 CFR 862.3640; FDA's rule: 510(k) required
- FDA decisions: 4
- 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)
- 1986: 1
- 1997: 1
- 2015: 2

## Most-cited predicates
- K150602: CR3 Keyless Split Sample Cup Morphine - Methamphetamine (2015), cited by 1

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