510(k) Report

FDA product code · Clinical chemistry

Phosphomolybdate (Colorimetric), Inorganic Phosphorus

CEOClass I21 CFR 862.1580510(k) exempt105 decisions since 19767 recalls

FDA lists CEO 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. 105 FDA decisions since 1976. 7 recalls name this code, 0 of them Class I. The most-cited predicate is K883962, named by 4 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 CEO 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 · CEO

1in 2011

2008: 12011: 1
2007high 1 (2008) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · CEO

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

Recalls per year · CEO

1in 2025

2007: 12010: 12012: 12013: 32025: 1
2007high 3 (2013) · low 0 (2008)2026

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

Adverse event reports per year · CEO

8in 2025

2007: 132008: 12010: 412011: 192013: 12014: 12015: 32017: 42018: 22019: 22020: 22021: 32022: 22023: 52024: 52025: 8
2007high 41 (2010) · low 0 (2009)2025

MAUDE reports naming product code CEO, 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—113
20081—01
20090—00
20100—141
20111—019
20120—10
20130—31
20140—01
20150—03
20160—00
20170—04
20180—02
20190—02
20200—02
20210—03
20220—02
20230—05
20240—05
20250—18
20260—0—
FIG. 1 — CEO by year, 2007–2026Sources: FDA decision databases, recall and enforcement reports, MAUDE · Data through Oct 25, 2026

Planning a device in CEO? 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