510(k) Report

FDA product code · Hematology

Romanowsky Stains

GJLClass I21 CFR 864.1850510(k) exempt1 decision since 19880 recalls

FDA lists GJL as exempt from 510(k): a device of this type needs no clearance unless one of the limits in 21 CFR 864.9 applies, such as a new intended use or a different fundamental technology. 1 FDA decision since 1988. No recall names this code.

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026 Download the data (CSV)

FIG. A — Illustration, hematology panel

Twenty years of GJL at a glance: how often FDA decides these devices, how long 510(k) reviews take, how often they are recalled, and how many adverse event reports name the code.

FDA decisions per year · GJL

FDA has decided no GJL device since 2007.

Median 510(k) review, days · GJL

Too few GJL 510(k)s in any year since 2007 to give a median.

Recalls per year · GJL

No recall names GJL since 2007.

Adverse event reports per year · GJL

No MAUDE report names GJL since 2007.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—00
20080—00
20090—00
20100—00
20110—00
20120—00
20130—00
20140—00
20150—00
20160—00
20170—00
20180—00
20190—00
20200—00
20210—00
20220—00
20230—00
20240—00
20250—00
20260—0—
FIG. 1 — GJL by year, 2007–2026Sources: FDA decision databases, recall and enforcement reports, MAUDE · Data through Oct 25, 2026

Planning a device in GJL? A 510(k) Report ranks candidate predicates in this code by lineage, citations and recall history, with the review-time outlook.

See the 510(k) Report

Related product codes

Other codes under 21 CFR 864.1850.