510(k) Report

FDA product code · Clinical toxicology

Colorimetry, Acetaminophen

LDPClass II21 CFR 862.3030510(k) required37 decisions since 19806 recalls

37 FDA decisions since 1980. 510(k) reviews decided 2021–2025 took a median of 525 days (half between 525 and 525). 6 recalls name this code, 0 of them Class I. The most-cited predicate is K043242, named by 3 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 toxicology panel

Twenty years of LDP 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 · LDP

1in 2022

2009: 12010: 12011: 12019: 12022: 12026 (partial year): 1
2007high 1 (2009) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LDP

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

Recalls per year · LDP

1in 2013

2007: 12008: 12010: 22013: 1
2007high 2 (2010) · low 0 (2009)2026

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

Adverse event reports per year · LDP

3in 2025

2007: 62008: 22009: 12010: 52011: 52012: 22013: 42014: 22015: 12016: 12017: 32021: 22023: 12024: 12025: 3
2007high 6 (2007) · low 0 (2018)2025

MAUDE reports naming product code LDP, 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—16
20080—12
20091—01
20101—25
20111—05
20120—02
20130—14
20140—02
20150—01
20160—01
20170—03
20180—00
20191—00
20200—00
20210—02
20221—00
20230—01
20240—01
20250—03
20261—0—
FIG. 1 — LDP by year, 2007–2026Sources: FDA decision databases, recall and enforcement reports, MAUDE · Data through Oct 25, 2026

Planning a device in LDP? 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