# K896873: Coulter JT3

- Pathway: 510(k) (Traditional)
- Applicant: Coulter Corp.
- Decided: Mar 30, 1990 after 112 days
- Product code: GKZ (Counter, Differential Cell)
- Device class: 2
- Regulation: 21 CFR 864.5220
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
3 later devices descend from it; 2 cite it directly.
0 of 4 devices in its family (counting itself) have a Class I recall.

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

## Most influential descendants
- K973649: Hemosite Test System (1998), 1 descendant of its own
- K994073: Hemosite Test System (2000), 0 descendants of its own
- K954570: Ortho Immunocount Flow Cytometry System (1996), 0 descendants of its own

Source page: https://510kreport.com/device/K896873
Methodology: https://510kreport.com/methodology