# K920935: Abuscreen Online for Phencyclidine

- Pathway: 510(k) (Traditional)
- Applicant: Roche Diagnostic Systems, Inc.
- Decided: Mar 18, 1992 after 19 days
- Product code: LCM (Enzyme Immunoassay, Phencyclidine)
- Device class: U
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
2 later devices descend from it; 1 cites it directly.
0 of 3 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known.

## Most influential descendants
- K983704: Modification to Abuscreen Online for Phencyclidine (1999), 1 descendant of its own
- K043305: Online Dat Phencyclidine Plus (2005), 0 descendants of its own

Source page: https://510kreport.com/device/K920935
Methodology: https://510kreport.com/methodology
