510(k) Report

FDA product code · Immunology

Ovarian Adnexal Mass Assessment Score Test System

ONXClass II21 CFR 866.6050510(k) required6 decisions since 20090 recalls

6 FDA decisions since 2009. No recall names this code. The most-cited predicate is K103358, named by 3 later devices.

An ovarian/adnexal mass assessment test is a devicem that measures one or more proteins in serum. It yields a single result for the likelihood that an adnexal pelvic mass in a woman, for whom surgery is planned, is malignant. The test isn for adjunctive use, in teh context of a negative primary clinical and radiological evaluation, to augmrent the identification of patienets whose gynecologic surgery requires…

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, immunology panel

Twenty years of ONX 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 · ONX

4in 2016

2009: 12011: 12016: 4
2007high 4 (2016) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · ONX

255in 2016

2016: 255 days median
2007high 255 (2016)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · ONX

No recall names ONX since 2007.

Adverse event reports per year · ONX

No MAUDE report names ONX since 2007.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—00
20080—00
20091—00
20100—00
20111—00
20120—00
20130—00
20140—00
20150—00
2016425500
20170—00
20180—00
20190—00
20200—00
20210—00
20220—00
20230—00
20240—00
20250—00
20260—0—
FIG. 1 — ONX by year, 2007–2026Sources: FDA decision databases, recall and enforcement reports, MAUDE · Data through Oct 25, 2026

Planning a device in ONX? A 510(k) Report ranks candidate predicates in this code by lineage, citations and recall history, with the review-time outlook.

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