FDA product code · Gastroenterology and urology
Separator, Automated, Blood Cell And Plasma, Therapeutic
31 FDA decisions since 1982. 7 recalls name this code, 0 of them Class I. The most-cited predicate is K071079, named by 3 later devices.
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly Download the data (CSV)
Twenty years of LKN 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 · LKN
2in 2019
2026 to Oct 25, outlined.
Median 510(k) review, days · LKN
195in 2018
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · LKN
1in 2012
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · LKN
71in 2025
MAUDE reports naming product code LKN, 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 | 10 |
| 2008 | 0 | — | 0 | 14 |
| 2009 | 0 | — | 0 | 18 |
| 2010 | 1 | — | 2 | 132 |
| 2011 | 0 | — | 3 | 481 |
| 2012 | 2 | — | 1 | 372 |
| 2013 | 2 | — | 0 | 96 |
| 2014 | 1 | — | 0 | 128 |
| 2015 | 2 | — | 0 | 306 |
| 2016 | 1 | — | 0 | 206 |
| 2017 | 0 | — | 0 | 169 |
| 2018 | 3 | 195 | 0 | 55 |
| 2019 | 2 | — | 0 | 72 |
| 2020 | 0 | — | 0 | 135 |
| 2021 | 0 | — | 0 | 63 |
| 2022 | 0 | — | 0 | 42 |
| 2023 | 0 | — | 0 | 132 |
| 2024 | 0 | — | 0 | 161 |
| 2025 | 0 | — | 0 | 71 |
| 2026 | 0 | — | 0 | — |
Planning a device in LKN? 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