# Blackhawk Biosystems, Inc.

- Location (FDA's records): San Ramon, CA
- FDA decisions: 4 (1994–1998): 4 510(k) clearances
- Product codes: JJY (3), MJZ (1)
- Predicates its devices cite: 0 (0 its own); citations of its devices by later devices: 3 (0 its own)
- Recalls linked to its devices: 0 (0 Class I)
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Firms that cite its devices most
- Ortho-Clinical Diagnostics, Inc.: 2 (https://510kreport.com/company/ortho-clinical-diagnostics)
- Bio-Rad Laboratories, Inc.: 1 (https://510kreport.com/company/bio-rad-laboratories)

## Its most-cited devices
- K974613: Virotrol Iii (1998), cited by 2
- K942295: Virotrol Torch (1994), cited by 1

## Recent decisions
- K974613: Virotrol Iii (Jan 27, 1998)
- K972129: Chlamydiatrol AG (Aug 12, 1997)
- K954298: Virotrol IV (Nov 1, 1995)
- K942295: Virotrol Torch (Oct 7, 1994)

Source page: https://510kreport.com/company/blackhawk-biosystems