510(k) Report

FDA product code · Pathology

Slides, Microscope

KEWClass I21 CFR 864.3010510(k) exempt8 decisions since 19761 recall

FDA lists KEW 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. 8 FDA decisions since 1976. 1 recall names this code; it is not Class I.

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, pathology panel

Twenty years of KEW 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 · KEW

FDA has decided no KEW device since 2007.

Median 510(k) review, days · KEW

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

Recalls per year · KEW

No recall names KEW since 2007.

Adverse event reports per year · KEW

9in 2025

2007: 12010: 12017: 12019: 12020: 142021: 12022: 12024: 22025: 9
2007high 14 (2020) · low 0 (2008)2025

MAUDE reports naming product code KEW, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—01
20080—00
20090—00
20100—01
20110—00
20120—00
20130—00
20140—00
20150—00
20160—00
20170—01
20180—00
20190—01
20200—014
20210—01
20220—01
20230—00
20240—02
20250—09
20260—0—
FIG. 1 — KEW by year, 2007–2026Sources: FDA decision databases, recall and enforcement reports, MAUDE · Data through Oct 25, 2026

Planning a device in KEW? 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 864.3010.