510(k) Report

FDA product code · Clinical chemistry

Nephelometer, For Clinical Use

JQXClass I21 CFR 862.2700510(k) exempt14 decisions since 19774 recalls

FDA lists JQX as exempt from 510(k): a device of this type needs no clearance unless one of the limits in 21 CFR 862.9 applies, such as a new intended use or a different fundamental technology. 14 FDA decisions since 1977. 4 recalls name this code, 0 of them Class I. The most-cited predicate is K922273, named by 8 later devices.

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, clinical chemistry panel

Twenty years of JQX 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 · JQX

FDA has decided no JQX device since 2007.

Median 510(k) review, days · JQX

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

Recalls per year · JQX

1in 2017

2010: 12017: 1
2007high 1 (2010) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · JQX

18in 2025

2009: 22010: 142011: 372012: 162013: 12014: 12018: 12019: 12020: 102021: 122022: 242023: 272024: 782025: 18
2007high 78 (2024) · low 0 (2007)2025

MAUDE reports naming product code JQX, 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—02
20100—114
20110—037
20120—016
20130—01
20140—01
20150—00
20160—00
20170—10
20180—01
20190—01
20200—010
20210—012
20220—024
20230—027
20240—078
20250—018
20260—0—
FIG. 1 — JQX by year, 2007–2026Sources: FDA decision databases, recall and enforcement reports, MAUDE · Data through Oct 25, 2026

Planning a device in JQX? 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