510(k) Report

FDA product code · Hematology

Device, General Purpose, Hematology

LOQClass II21 CFR 866.6010510(k) required1 decision since 19981 recall

1 FDA decision since 1998. 1 recall names this code; it is not Class I. The most-cited predicate is K981592, named by 1 later device.

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 LOQ 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 · LOQ

FDA has decided no LOQ device since 2007.

Median 510(k) review, days · LOQ

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

Recalls per year · LOQ

No recall names LOQ since 2007.

Adverse event reports per year · LOQ

56in 2011

2009: 12010: 252011: 56
2007high 56 (2011) · low 0 (2007)2025

MAUDE reports naming product code LOQ, 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—01
20100—025
20110—056
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 — LOQ by year, 2007–2026Sources: FDA decision databases, recall and enforcement reports, MAUDE · Data through Oct 25, 2026

Planning a device in LOQ? 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 866.6010.