510(k) Report

FDA product code · Pathology

Fluorescence In Situ Hybridization, Topoisomerase Ii Alpha, Gene Amplification And Deletion

NXGClass IIIPMA required1 decision since 20080 recalls

1 FDA decision since 2008. No recall names this code.

Topoisomerase ii alpha (top2a) fluorescence in situ hybridization (fish) kit is to detect the top2a gene copy number changes (amplification and deletion) in breast cancer using formalin-fixed, paraffin-embeded human breast cancer tissue specimen.

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, pathology panel

Twenty years of NXG 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 · NXG

1in 2012

2008: 32011: 12012: 1
2007high 3 (2008) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · NXG

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

Recalls per year · NXG

No recall names NXG since 2007.

Adverse event reports per year · NXG

No MAUDE report names NXG since 2007.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—00
20083—00
20090—00
20100—00
20111—00
20121—00
20130—00
20140—00
20150—00
20160—00
20170—00
20180—00
20190—00
20200—00
20210—00
20220—00
20230—00
20240—00
20250—00
20260—0—
FIG. 1 — NXG by year, 2007–2026Sources: FDA decision databases, recall and enforcement reports, MAUDE · Data through Oct 25, 2026

Planning a device in NXG? 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