FDA product code · General hospital
Low Dead Space Piston Syringe
12 FDA decisions since 2021. 510(k) reviews decided 2021–2025 took a median of 194 days (half between 93 and 315). No recall names this code. The most-cited predicate is K210443, named by 5 later devices.
A low dead space syringe is a piston syringe designed to reduce medication waste. The device consists of a calibrated hollow barrel, a moveable plunger, and may include a needle. The device can be used by health care professions or for self-injection by the patient.
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly Download the data (CSV)
Twenty years of QNQ 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 · QNQ
2in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · QNQ
182in 2024
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · QNQ
No recall names QNQ since 2007.
Adverse event reports per year · QNQ
3in 2025
MAUDE reports naming product code QNQ, 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 | — | 0 | 0 |
| 2008 | 0 | — | 0 | 0 |
| 2009 | 0 | — | 0 | 0 |
| 2010 | 0 | — | 0 | 0 |
| 2011 | 0 | — | 0 | 0 |
| 2012 | 0 | — | 0 | 0 |
| 2013 | 0 | — | 0 | 0 |
| 2014 | 0 | — | 0 | 0 |
| 2015 | 0 | — | 0 | 0 |
| 2016 | 0 | — | 0 | 0 |
| 2017 | 0 | — | 0 | 0 |
| 2018 | 0 | — | 0 | 0 |
| 2019 | 0 | — | 0 | 0 |
| 2020 | 0 | — | 0 | 0 |
| 2021 | 1 | — | 0 | 0 |
| 2022 | 2 | — | 0 | 0 |
| 2023 | 2 | — | 0 | 0 |
| 2024 | 4 | 182 | 0 | 0 |
| 2025 | 2 | — | 0 | 3 |
| 2026 | 1 | — | 0 | — |
Planning a device in QNQ? 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 880.5860.