FDA product code · Pathology
Microscope, Automated, Image Analysis, Immunohistochemistry,Operator Intervention,Nuclear Intensity & Percent Positivity
15 FDA decisions since 2004. 3 recalls name this code, 0 of them Class I. The most-cited predicate is K111869, named by 4 later devices.
Automated microscopic immunohistochemistry image- analysis system to measure nuclear intensity and percent positivity with operator intervention.
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly Download the data (CSV)
Twenty years of NQN 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 · NQN
1in 2015
2026 to Oct 25, outlined.
Median 510(k) review, days · NQN
427in 2013
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · NQN
1in 2020
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · NQN
1in 2023
MAUDE reports naming product code NQN, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 1 | — | 1 | 0 |
| 2008 | 1 | — | 1 | 0 |
| 2009 | 0 | — | 0 | 0 |
| 2010 | 1 | — | 0 | 0 |
| 2011 | 0 | — | 0 | 0 |
| 2012 | 2 | — | 0 | 0 |
| 2013 | 3 | 427 | 0 | 0 |
| 2014 | 1 | — | 0 | 0 |
| 2015 | 1 | — | 0 | 0 |
| 2016 | 0 | — | 0 | 1 |
| 2017 | 0 | — | 0 | 1 |
| 2018 | 0 | — | 0 | 0 |
| 2019 | 0 | — | 0 | 0 |
| 2020 | 0 | — | 1 | 1 |
| 2021 | 0 | — | 0 | 0 |
| 2022 | 0 | — | 0 | 0 |
| 2023 | 0 | — | 0 | 1 |
| 2024 | 0 | — | 0 | 0 |
| 2025 | 0 | — | 0 | 0 |
| 2026 | 0 | — | 0 | — |
Planning a device in NQN? 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) ReportRelated product codes
Other codes under 21 CFR 864.1860.