FDA product code · Neurology
Device, Monitoring, Intracranial Pressure
105 FDA decisions since 1978. 510(k) reviews decided 2021–2025 took a median of 139 days (half between 115 and 210). 42 recalls name this code, 3 of them Class I. The most-cited predicate is K962928, named by 9 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 GWM 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 · GWM
1in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · GWM
30in 2020
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · GWM
3in 2025
Class I (3 since 2007) Class II/III not classified
Adverse event reports per year · GWM
441in 2025
MAUDE reports naming product code GWM, 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 | 2 | — | 0 | 126 |
| 2008 | 2 | — | 1 | 105 |
| 2009 | 1 | — | 0 | 117 |
| 2010 | 2 | — | 9 | 104 |
| 2011 | 3 | 123 | 6 | 184 |
| 2012 | 4 | 100 | 1 | 151 |
| 2013 | 2 | — | 12 | 120 |
| 2014 | 2 | — | 2 | 360 |
| 2015 | 0 | — | 0 | 486 |
| 2016 | 3 | 192 | 0 | 419 |
| 2017 | 3 | 37 | 0 | 445 |
| 2018 | 1 | — | 0 | 302 |
| 2019 | 2 | — | 1 | 260 |
| 2020 | 3 | 30 | 0 | 268 |
| 2021 | 2 | — | 0 | 211 |
| 2022 | 0 | — | 0 | 424 |
| 2023 | 0 | — | 1 (1) | 744 |
| 2024 | 2 | — | 4 (2) | 641 |
| 2025 | 1 | — | 3 | 441 |
| 2026 | 1 | — | 0 | — |
Planning a device in GWM? 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 882.1620.