510(k) Report

FDA product code · Clinical chemistry

Automated Urinalysis System

KQOClass I21 CFR 862.2900510(k) exempt46 decisions since 197618 recalls

FDA lists KQO 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. 46 FDA decisions since 1976. 18 recalls name this code, 0 of them Class I. The most-cited predicate is K960546, named by 6 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 KQO 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 · KQO

2in 2015

2007: 12009: 12010: 22011: 22013: 12014: 12015: 2
2007high 2 (2010) · low 0 (2008)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · KQO

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

Recalls per year · KQO

1in 2021

2010: 72011: 22013: 12016: 12019: 22021: 12026 (partial year): 2
2007high 7 (2010) · low 0 (2007)2026

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

Adverse event reports per year · KQO

12in 2025

2007: 12008: 42009: 92010: 32011: 82012: 152013: 922014: 1062015: 2382016: 3732017: 202018: 252019: 642020: 212021: 132022: 152023: 192024: 202025: 12
2007high 373 (2016) · low 1 (2007)2025

MAUDE reports naming product code KQO, 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
20071—01
20080—04
20091—09
20102—73
20112—28
20120—015
20131—192
20141—0106
20152—0238
20160—1373
20170—020
20180—025
20190—264
20200—021
20210—113
20220—015
20230—019
20240—020
20250—012
20260—2—
FIG. 1 — KQO by year, 2007–2026Sources: FDA decision databases, recall and enforcement reports, MAUDE · Data through Oct 25, 2026

Planning a device in KQO? 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