# General Diagnostics

- Location (FDA's records): Mchenry, IL
- FDA decisions: 39 (1976–1988): 39 510(k) clearances
- Product codes: JTN (12), DIF (3), GJA (3), DIS (2), CGS (1), JPA (1), JBN (1), LDJ (1), LLG (1), JCA (1), CDT (1), CHH (1)
- Predicates its devices cite: 0 (0 its own); citations of its devices by later devices: 2 (0 its own)
- Recalls linked to its devices: 1 (0 Class I)
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Firms that cite its devices most
- Universal Reagents, Inc.: 1 (https://510kreport.com/company/universal-reagents)
- Organon Teknika Corp.: 1 (https://510kreport.com/company/organon-teknika)

## Its most-cited devices
- K823453: Von Willebrand Factor Assay (1983), cited by 1
- K813564: Coag-a-Mate X2 (1982), cited by 1

## Recent decisions
- K882663: Barbiturate Enzyme Immunoassay Kit (Sep 19, 1988)
- K872882: Cannabinoid Enzyme Immunoassay Kit (Nov 3, 1987)
- K871305: Cocaine Metabolite Enzyme Immunoassay Kit (Jun 5, 1987)
- K864993: Quali. Enzyme Immuno. of Barbiturates in Urine (Mar 31, 1987)
- K863877: Benzodiazepine Enzyme Immunoassay Kit (Mar 12, 1987)
- K842307: General Diag. Cefonicid 30MCG Antimic (Jul 20, 1984)
- K841465: General Diagnostics Platelet Antibody (Jul 2, 1984)
- K833709: Ceftizoxime 30 MCG Antimicrobial Disk (Dec 30, 1983)

Source page: https://510kreport.com/company/general-diagnostics