510(k) Report

FDA product code · Pathology

Agent, Clearing

KEMClass I21 CFR 864.4010510(k) exempt15 decisions since 19810 recalls

FDA lists KEM 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. 15 FDA decisions since 1981. 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, pathology panel

Twenty years of KEM 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 · KEM

FDA has decided no KEM device since 2007.

Median 510(k) review, days · KEM

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

Recalls per year · KEM

No recall names KEM since 2007.

Adverse event reports per year · KEM

1in 2018

2016: 12018: 1
2007high 1 (2016) · low 0 (2007)2025

MAUDE reports naming product code KEM, 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—00
20080—00
20090—00
20100—00
20110—00
20120—00
20130—00
20140—00
20150—00
20160—01
20170—00
20180—01
20190—00
20200—00
20210—00
20220—00
20230—00
20240—00
20250—00
20260—0—
FIG. 1 — KEM by year, 2007–2026Sources: FDA decision databases, recall and enforcement reports, MAUDE · Data through Oct 25, 2026

Planning a device in KEM? 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 864.4010.