FDA product code · Microbiology
Nucleic Acid Amplification Assay System, Group B Streptococcus, Direct Specimen Test
FDA lists NJR as exempt from 510(k): a device of this type needs no clearance unless one of the limits in 21 CFR 866.9 applies, such as a new intended use or a different fundamental technology. 18 FDA decisions since 2002. 510(k) reviews decided 2021–2025 took a median of 463 days (half between 427 and 499). 9 recalls name this code, 0 of them Class I. The most-cited predicate is K062948, named by 4 later devices.
A nucleic acid amplification assay system (including probes, other reagents, and instrumentation) is an aid in the identification of group b streptococci from pre-partum and intra-partum women to establish colonization status.
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly Download the data (CSV)
Twenty years of NJR 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 · NJR
1in 2023
2026 to Oct 25, outlined.
Median 510(k) review, days · NJR
87in 2018
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · NJR
1in 2025
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · NJR
14in 2024
MAUDE reports naming product code NJR, 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 | 0 | — | 1 | 0 |
| 2008 | 0 | — | 0 | 0 |
| 2009 | 0 | — | 0 | 0 |
| 2010 | 1 | — | 0 | 0 |
| 2011 | 1 | — | 1 | 0 |
| 2012 | 3 | 162 | 2 | 0 |
| 2013 | 1 | — | 0 | 0 |
| 2014 | 0 | — | 0 | 1 |
| 2015 | 1 | — | 1 | 0 |
| 2016 | 1 | — | 0 | 0 |
| 2017 | 2 | — | 0 | 1 |
| 2018 | 3 | 87 | 0 | 0 |
| 2019 | 0 | — | 0 | 0 |
| 2020 | 0 | — | 0 | 1 |
| 2021 | 0 | — | 0 | 2 |
| 2022 | 1 | — | 1 | 3 |
| 2023 | 1 | — | 0 | 8 |
| 2024 | 0 | — | 2 | 14 |
| 2025 | 0 | — | 1 | 0 |
| 2026 | 0 | — | 0 | — |
Planning a device in NJR? 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 866.3740.