Data / Medical devices / Counter, Differential Cell

Counter, Differential Cell (GKZ): 43 FDA-registered makers in 13 countries

43 establishments in 13 countries are registered with the FDA to make Counter, Differential Cell (product code GKZ, Class 2, 21 CFR 864.5220). 27 of them have a 510(k) clearance or PMA approval on file and 5 have a recall event. The FDA has issued 381 510(k) clearances under this code, the latest on September 14, 2026, and lists 139 recall events (2 Class I). FDA data exported November 2, 2026.

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Product code

GKZ

Device class

2

Regulation

864.5220

Medical specialty

Hematology

Makers by country

Makers of Counter, Differential Cell

Registered establishments that manufacture, contract manufacture, remanufacture, reprocess or own the specification of this device, with the 510(k) clearances, PMA approvals and recalls the FDA files under each. Best documented first.

Updated September 14, 2026. Read from openFDA bulk downloads (device registration and listing, 510(k), PMA, recall and enforcement files). CC0 1.0, public domain (openFDA terms of service). The files are joined on FDA identifiers: the 510(k) and PMA numbers a registration lists, and the recalling firm's FEI for recalls. Recall class comes from the FDA enforcement report. The FDA states that openFDA data is unvalidated and is not for decisions about medical care. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.